US counties by median age on 1 July (US county estimates), 2018

Sumter County 67.8 years, the highest of 3135 counties, 2018

Autauga County: 38.8 yearsBaldwin County: 43.4 yearsBarbour County: 42.6 yearsBibb County: 40.1 yearsBlount County: 40.9 yearsBullock County: 41.6 yearsButler County: 42.8 yearsCalhoun County: 39.8 yearsChambers County: 42.9 yearsCherokee County: 46.8 yearsChilton County: 39.8 yearsChoctaw County: 46.9 yearsClarke County: 43.8 yearsClay County: 45 yearsCleburne County: 43 yearsCoffee County: 39 yearsColbert County: 42.6 yearsConecuh County: 46 yearsCoosa County: 48 yearsCovington County: 44.2 yearsCrenshaw County: 43.4 yearsCullman County: 41.2 yearsDale County: 38.2 yearsDallas County: 41.1 yearsDeKalb County: 39.5 yearsElmore County: 40.1 yearsEscambia County: 41.4 yearsEtowah County: 42.3 yearsFayette County: 44.1 yearsFranklin County: 38.6 yearsGeneva County: 43.5 yearsGreene County: 43.5 yearsHale County: 41.5 yearsHenry County: 45.6 yearsHouston County: 40.3 yearsJackson County: 44 yearsJefferson County: 38 yearsLamar County: 45.1 yearsLauderdale County: 41.2 yearsLawrence County: 43.4 yearsLee County: 30.9 yearsLimestone County: 39.7 yearsLowndes County: 44.9 yearsMacon County: 39.5 yearsMadison County: 38.2 yearsMarengo County: 43.1 yearsMarion County: 44.1 yearsMarshall County: 39 yearsMobile County: 38.2 yearsMonroe County: 43.4 yearsMontgomery County: 37.4 yearsMorgan County: 40.7 yearsPerry County: 40.1 yearsPickens County: 43.1 yearsPike County: 33.8 yearsRandolph County: 43.8 yearsRussell County: 37 yearsSt. Clair County: 40.4 yearsShelby County: 38.8 yearsSumter County: 37.7 yearsTalladega County: 42 yearsTallapoosa County: 45.6 yearsTuscaloosa County: 32.8 yearsWalker County: 43.1 yearsWashington County: 43.6 yearsWilcox County: 42.3 yearsWinston County: 45.3 yearsAleutians East Borough: 41.1 yearsAleutians West Census Area: 39.5 yearsAnchorage Municipality: 34.5 yearsBethel Census Area: 27 yearsBristol Bay Borough: 41.2 yearsChugach Census Area: 38.4 yearsCopper River Census Area: 44.6 yearsDenali Borough: 40.8 yearsDillingham Census Area: 30.6 yearsFairbanks North Star Borough: 31.8 yearsHaines Borough: 49.1 yearsHoonah-Angoon Census Area: 46.8 yearsJuneau City and Borough: 38.3 yearsKenai Peninsula Borough: 41.9 yearsKetchikan Gateway Borough: 39.2 yearsKodiak Island Borough: 34.6 yearsKusilvak Census Area: 23.9 yearsLake and Peninsula Borough: 33.5 yearsMatanuska-Susitna Borough: 35.8 yearsNome Census Area: 28.9 yearsNorth Slope Borough: 33.4 yearsNorthwest Arctic Borough: 27.7 yearsPetersburg Borough: 42.7 yearsPrince of Wales-Hyder Census Area: 40.5 yearsSitka City and Borough: 39.6 yearsSkagway Municipality: 40.2 yearsSoutheast Fairbanks Census Area: 38.8 yearsWrangell City and Borough: 48.7 yearsYakutat City and Borough: 45.7 yearsYukon-Koyukuk Census Area: 37.1 yearsApache County: 37 yearsCochise County: 43.1 yearsCoconino County: 31.8 yearsGila County: 51.1 yearsGraham County: 33.4 yearsGreenlee County: 34.1 yearsLa Paz County: 54.1 yearsMaricopa County: 36.7 yearsMohave County: 52.9 yearsNavajo County: 38.1 yearsPima County: 40.5 yearsPinal County: 39.7 yearsSanta Cruz County: 39.1 yearsYavapai County: 54.3 yearsYuma County: 36.3 yearsArkansas County: 42.8 yearsAshley County: 43.1 yearsBaxter County: 52.8 yearsBenton County: 35.1 yearsBoone County: 42.8 yearsBradley County: 40.5 yearsCalhoun County: 44.4 yearsCarroll County: 44.7 yearsChicot County: 43.6 yearsClark County: 34.7 yearsClay County: 43.5 yearsCleburne County: 49.9 yearsCleveland County: 44.2 yearsColumbia County: 36.9 yearsConway County: 41.8 yearsCraighead County: 33.5 yearsCrawford County: 39.3 yearsCrittenden County: 37 yearsCross County: 41.1 yearsDallas County: 44.8 yearsDesha County: 40.6 yearsDrew County: 37.9 yearsFaulkner County: 33.5 yearsFranklin County: 41.3 yearsFulton County: 47.9 yearsGarland County: 45.3 yearsGrant County: 41.5 yearsGreene County: 38 yearsHempstead County: 40.1 yearsHot Spring County: 41.8 yearsHoward County: 40.1 yearsIndependence County: 38.9 yearsIzard County: 48 yearsJackson County: 40.9 yearsJefferson County: 39.8 yearsJohnson County: 38.2 yearsLafayette County: 47.4 yearsLawrence County: 41.4 yearsLee County: 42.1 yearsLincoln County: 39.9 yearsLittle River County: 44.1 yearsLogan County: 43.5 yearsLonoke County: 36.7 yearsMadison County: 42.3 yearsMarion County: 52.9 yearsMiller County: 39.1 yearsMississippi County: 37.1 yearsMonroe County: 47.4 yearsMontgomery County: 50.8 yearsNevada County: 43.8 yearsNewton County: 50.6 yearsOuachita County: 44 yearsPerry County: 44.4 yearsPhillips County: 40.6 yearsPike County: 44.1 yearsPoinsett County: 40.5 yearsPolk County: 44.5 yearsPope County: 36 yearsPrairie County: 46.2 yearsPulaski County: 37.8 yearsRandolph County: 41.1 yearsSt. Francis County: 41.4 yearsSaline County: 39.6 yearsScott County: 42.8 yearsSearcy County: 48.5 yearsSebastian County: 37.9 yearsSevier County: 35.7 yearsSharp County: 48.1 yearsStone County: 49.8 yearsUnion County: 41 yearsVan Buren County: 49 yearsWashington County: 31.6 yearsWhite County: 38 yearsWoodruff County: 46.5 yearsYell County: 39.6 yearsAlameda County: 37.4 yearsAlpine County: 51.5 yearsAmador County: 51.3 yearsButte County: 38.2 yearsCalaveras County: 51.6 yearsColusa County: 35 yearsContra Costa County: 39.6 yearsDel Norte County: 39.8 yearsEl Dorado County: 46.2 yearsFresno County: 32.8 yearsGlenn County: 37.4 yearsHumboldt County: 38.5 yearsImperial County: 33.9 yearsInyo County: 45.4 yearsKern County: 32.4 yearsKings County: 32.5 yearsLake County: 45.6 yearsLassen County: 37.4 yearsLos Angeles County: 37 yearsMadera County: 34.5 yearsMarin County: 46.2 yearsMariposa County: 52.1 yearsMendocino County: 42.9 yearsMerced County: 31.6 yearsModoc County: 48.6 yearsMono County: 39.1 yearsMonterey County: 34.6 yearsNapa County: 42.2 yearsNevada County: 49.7 yearsOrange County: 38.4 yearsPlacer County: 42.1 yearsPlumas County: 52.9 yearsRiverside County: 36.2 yearsSacramento County: 36.5 yearsSan Benito County: 36.3 yearsSan Bernardino County: 34.2 yearsSan Diego County: 36.5 yearsSan Francisco County: 38 yearsSan Joaquin County: 34.9 yearsSan Luis Obispo County: 40.8 yearsSan Mateo County: 39.6 yearsSanta Barbara County: 35.2 yearsSanta Clara County: 37.1 yearsSanta Cruz County: 39.3 yearsShasta County: 43 yearsSierra County: 54.5 yearsSiskiyou County: 48.1 yearsSolano County: 38.5 yearsSonoma County: 42.1 yearsStanislaus County: 35 yearsSutter County: 36.5 yearsTehama County: 40.5 yearsTrinity County: 48.5 yearsTulare County: 31.8 yearsTuolumne County: 48.9 yearsVentura County: 38.8 yearsYolo County: 32.6 yearsYuba County: 33.9 yearsAdams County: 33.9 yearsAlamosa County: 34.2 yearsArapahoe County: 36.3 yearsArchuleta County: 51 yearsBaca County: 45.8 yearsBent County: 41.2 yearsBoulder County: 37 yearsBroomfield County: 37.6 yearsChaffee County: 49.1 yearsCheyenne County: 42.8 yearsClear Creek County: 48.2 yearsConejos County: 40 yearsCostilla County: 51.7 yearsCrowley County: 40.7 yearsCuster County: 58.2 yearsDelta County: 48.5 yearsDenver County: 34 yearsDolores County: 49.1 yearsDouglas County: 38.7 yearsEagle County: 37 yearsElbert County: 46.1 yearsEl Paso County: 34.7 yearsFremont County: 45.5 yearsGarfield County: 36.6 yearsGilpin County: 47.2 yearsGrand County: 43.8 yearsGunnison County: 36.4 yearsHinsdale County: 54.5 yearsHuerfano County: 55.6 yearsJackson County: 49.4 yearsJefferson County: 40.2 yearsKiowa County: 43.3 yearsKit Carson County: 40.1 yearsLake County: 36.2 yearsLa Plata County: 40.6 yearsLarimer County: 36.9 yearsLas Animas County: 47.1 yearsLincoln County: 39.5 yearsLogan County: 39.1 yearsMesa County: 39.9 yearsMineral County: 56.2 yearsMoffat County: 37.7 yearsMontezuma County: 44.6 yearsMontrose County: 45 yearsMorgan County: 36.4 yearsOtero County: 40.9 yearsOuray County: 53.6 yearsPark County: 49.3 yearsPhillips County: 41 yearsPitkin County: 43.1 yearsProwers County: 38 yearsPueblo County: 40.4 yearsRio Blanco County: 38.1 yearsRio Grande County: 42.7 yearsRoutt County: 40.7 yearsSaguache County: 46.1 yearsSan Juan County: 46 yearsSan Miguel County: 40.7 yearsSedgwick County: 49.4 yearsSummit County: 37.7 yearsTeller County: 51.1 yearsWashington County: 43 yearsWeld County: 34.2 yearsYuma County: 38.2 yearsKent County: 38.2 yearsNew Castle County: 38.6 yearsSussex County: 49.7 yearsDistrict of Columbia: 33.7 yearsAlachua County: 31.7 yearsBaker County: 38.3 yearsBay County: 40.3 yearsBradford County: 41.5 yearsBrevard County: 48.1 yearsBroward County: 40.8 yearsCalhoun County: 41.8 yearsCharlotte County: 59.5 yearsCitrus County: 57.3 yearsClay County: 39.9 yearsCollier County: 51.8 yearsColumbia County: 42.3 yearsDeSoto County: 41.9 yearsDixie County: 47.4 yearsDuval County: 37.3 yearsEscambia County: 39.3 yearsFlagler County: 53.1 yearsFranklin County: 50.5 yearsGadsden County: 42.5 yearsGilchrist County: 43.8 yearsGlades County: 44.9 yearsGulf County: 45.3 yearsHamilton County: 42.3 yearsHardee County: 36.3 yearsHendry County: 34.9 yearsHernando County: 49.5 yearsHighlands County: 54 yearsHillsborough County: 37.2 yearsHolmes County: 43.2 yearsIndian River County: 53.9 yearsJackson County: 42.2 yearsJefferson County: 48.8 yearsLafayette County: 41.7 yearsLake County: 47.9 yearsLee County: 48.9 yearsLeon County: 32.4 yearsLevy County: 47.9 yearsLiberty County: 39.3 yearsMadison County: 44.8 yearsManatee County: 48.5 yearsMarion County: 49.9 yearsMartin County: 52.5 yearsMiami-Dade County: 40.5 yearsMonroe County: 49.1 yearsNassau County: 46.4 yearsOkaloosa County: 37.8 yearsOkeechobee County: 41.6 yearsOrange County: 35 yearsOsceola County: 36.9 yearsPalm Beach County: 44.9 yearsPasco County: 45 yearsPinellas County: 48.6 yearsPolk County: 40.8 yearsPutnam County: 46.5 yearsSt. Johns County: 43.7 yearsSt. Lucie County: 45.6 yearsSanta Rosa County: 40.1 yearsSarasota County: 56.7 yearsSeminole County: 39 yearsSumter County: 67.8 yearsSuwannee County: 44.3 yearsTaylor County: 43.4 yearsUnion County: 41.8 yearsVolusia County: 47.6 yearsWakulla County: 42.3 yearsWalton County: 44.4 yearsWashington County: 43.3 yearsAppling County: 39.5 yearsAtkinson County: 37.5 yearsBacon County: 38.3 yearsBaker County: 45.9 yearsBaldwin County: 37.7 yearsBanks County: 40.6 yearsBarrow County: 36.3 yearsBartow County: 38.5 yearsBen Hill County: 40.7 yearsBerrien County: 39.9 yearsBibb County: 37.6 yearsBleckley County: 37.2 yearsBrantley County: 39.8 yearsBrooks County: 44.2 yearsBryan County: 35.3 yearsBulloch County: 28.8 yearsBurke County: 40.7 yearsButts County: 40.1 yearsCalhoun County: 40.9 yearsCamden County: 33.9 yearsCandler County: 40.7 yearsCarroll County: 36 yearsCatoosa County: 40.7 yearsCharlton County: 40.5 yearsChatham County: 35.8 yearsChattahoochee County: 24.2 yearsChattooga County: 40.5 yearsCherokee County: 38.7 yearsClarke County: 28 yearsClay County: 46.9 yearsClayton County: 33.7 yearsClinch County: 39.2 yearsCobb County: 36.6 yearsCoffee County: 36.5 yearsColquitt County: 37.1 yearsColumbia County: 36.3 yearsCook County: 38.9 yearsCoweta County: 38.8 yearsCrawford County: 44.9 yearsCrisp County: 41 yearsDade County: 41.3 yearsDawson County: 44.6 yearsDecatur County: 39.7 yearsDeKalb County: 35.6 yearsDodge County: 41.5 yearsDooly County: 42.5 yearsDougherty County: 36.9 yearsDouglas County: 37.1 yearsEarly County: 41.9 yearsEchols County: 36.5 yearsEffingham County: 36.4 yearsElbert County: 45.1 yearsEmanuel County: 38.7 yearsEvans County: 39.2 yearsFannin County: 52.3 yearsFayette County: 43.9 yearsFloyd County: 38.3 yearsForsyth County: 38.2 yearsFranklin County: 41.2 yearsFulton County: 35.3 yearsGilmer County: 48.4 yearsGlascock County: 42.8 yearsGlynn County: 43.1 yearsGordon County: 38.7 yearsGrady County: 40.6 yearsGreene County: 51 yearsGwinnett County: 35.6 yearsHabersham County: 39.6 yearsHall County: 37.1 yearsHancock County: 47.9 yearsHaralson County: 40.4 yearsHarris County: 44 yearsHart County: 44.9 yearsHeard County: 41.1 yearsHenry County: 37.6 yearsHouston County: 36.2 yearsIrwin County: 40.3 yearsJackson County: 38 yearsJasper County: 41.4 yearsJeff Davis County: 36.6 yearsJefferson County: 43.3 yearsJenkins County: 41.5 yearsJohnson County: 43.7 yearsJones County: 40.8 yearsLamar County: 39.4 yearsLanier County: 35.5 yearsLaurens County: 40.2 yearsLee County: 38.3 yearsLiberty County: 29.2 yearsLincoln County: 48.1 yearsLong County: 31.7 yearsLowndes County: 32.2 yearsLumpkin County: 36.7 yearsMcDuffie County: 41.3 yearsMcIntosh County: 48.8 yearsMacon County: 40.9 yearsMadison County: 40.9 yearsMarion County: 44.5 yearsMeriwether County: 45.3 yearsMiller County: 45 yearsMitchell County: 41.4 yearsMonroe County: 43.5 yearsMontgomery County: 38.3 yearsMorgan County: 43.4 yearsMurray County: 38.5 yearsMuscogee County: 35.6 yearsNewton County: 37.7 yearsOconee County: 39.4 yearsOglethorpe County: 43.2 yearsPaulding County: 36.3 yearsPeach County: 38.5 yearsPickens County: 46.8 yearsPierce County: 39.8 yearsPike County: 40.6 yearsPolk County: 38.5 yearsPulaski County: 43.4 yearsPutnam County: 47.9 yearsQuitman County: 53.2 yearsRabun County: 48.8 yearsRandolph County: 42.1 yearsRichmond County: 34.9 yearsRockdale County: 39.2 yearsSchley County: 38.8 yearsScreven County: 42.5 yearsSeminole County: 45.5 yearsSpalding County: 40.1 yearsStephens County: 43.2 yearsStewart County: 39.8 yearsSumter County: 37.9 yearsTalbot County: 51.3 yearsTaliaferro County: 49.5 yearsTattnall County: 38.1 yearsTaylor County: 44.5 yearsTelfair County: 39.9 yearsTerrell County: 43.5 yearsThomas County: 40.9 yearsTift County: 36.8 yearsToombs County: 38.5 yearsTowns County: 56 yearsTreutlen County: 40.1 yearsTroup County: 37.6 yearsTurner County: 40.8 yearsTwiggs County: 49.3 yearsUnion County: 54.7 yearsUpson County: 43 yearsWalker County: 41.5 yearsWalton County: 39.3 yearsWare County: 39.5 yearsWarren County: 47.4 yearsWashington County: 41.8 yearsWayne County: 39.8 yearsWebster County: 45.1 yearsWheeler County: 39.4 yearsWhite County: 45.9 yearsWhitfield County: 35.9 yearsWilcox County: 41.7 yearsWilkes County: 47.2 yearsWilkinson County: 44.4 yearsWorth County: 41.8 yearsHawaii County: 43.7 yearsHonolulu County: 38.9 yearsKalawao County: 50.5 yearsKauai County: 42.7 yearsMaui County: 41.9 yearsAda County: 36.8 yearsAdams County: 54.5 yearsBannock County: 34 yearsBear Lake County: 40.3 yearsBenewah County: 47.3 yearsBingham County: 34.3 yearsBlaine County: 44.1 yearsBoise County: 52.8 yearsBonner County: 48.6 yearsBonneville County: 33 yearsBoundary County: 46.4 yearsButte County: 43.3 yearsCamas County: 46.1 yearsCanyon County: 33.9 yearsCaribou County: 37.1 yearsCassia County: 32.8 yearsClark County: 37.4 yearsClearwater County: 51 yearsCuster County: 52.2 yearsElmore County: 31.9 yearsFranklin County: 33.8 yearsFremont County: 36.6 yearsGem County: 44.4 yearsGooding County: 36.9 yearsIdaho County: 51 yearsJefferson County: 31.4 yearsJerome County: 32.9 yearsKootenai County: 40.9 yearsLatah County: 30.3 yearsLemhi County: 52.8 yearsLewis County: 49.2 yearsLincoln County: 35.2 yearsMadison County: 23.1 yearsMinidoka County: 35.3 yearsNez Perce County: 40.7 yearsOneida County: 39.8 yearsOwyhee County: 38.5 yearsPayette County: 39.1 yearsPower County: 34.5 yearsShoshone County: 47.6 yearsTeton County: 37.2 yearsTwin Falls County: 35.2 yearsValley County: 49 yearsWashington County: 45.6 yearsAdams County: 41.4 yearsAlexander County: 46.9 yearsBond County: 41.3 yearsBoone County: 39.4 yearsBrown County: 39.7 yearsBureau County: 44.3 yearsCalhoun County: 47.7 yearsCarroll County: 46.8 yearsCass County: 39.1 yearsChampaign County: 30.4 yearsChristian County: 43.3 yearsClark County: 43.1 yearsClay County: 42.8 yearsClinton County: 41 yearsColes County: 37.9 yearsCook County: 37 yearsCrawford County: 42.9 yearsCumberland County: 43.1 yearsDeKalb County: 33.5 yearsDe Witt County: 43.4 yearsDouglas County: 39.4 yearsDuPage County: 39.6 yearsEdgar County: 45 yearsEdwards County: 43.6 yearsEffingham County: 40 yearsFayette County: 41.3 yearsFord County: 42.7 yearsFranklin County: 43.6 yearsFulton County: 43.6 yearsGallatin County: 45.7 yearsGreene County: 43.7 yearsGrundy County: 38.1 yearsHamilton County: 43 yearsHancock County: 45.8 yearsHardin County: 51.2 yearsHenderson County: 50 yearsHenry County: 42.8 yearsIroquois County: 44.2 yearsJackson County: 34 yearsJasper County: 43.5 yearsJefferson County: 41.9 yearsJersey County: 44 yearsJo Daviess County: 49.9 yearsJohnson County: 43.2 yearsKane County: 37.6 yearsKankakee County: 39.1 yearsKendall County: 35.3 yearsKnox County: 43 yearsLake County: 38.8 yearsLaSalle County: 42.3 yearsLawrence County: 41.4 yearsLee County: 43.5 yearsLivingston County: 42.2 yearsLogan County: 41.1 yearsMcDonough County: 36 yearsMcHenry County: 40.4 yearsMcLean County: 34.4 yearsMacon County: 41.3 yearsMacoupin County: 43.8 yearsMadison County: 39.9 yearsMarion County: 42.4 yearsMarshall County: 46.5 yearsMason County: 45.9 yearsMassac County: 44 yearsMenard County: 43.1 yearsMercer County: 44.7 yearsMonroe County: 42.5 yearsMontgomery County: 43.3 yearsMorgan County: 42.1 yearsMoultrie County: 40.3 yearsOgle County: 42.1 yearsPeoria County: 38.2 yearsPerry County: 41.6 yearsPiatt County: 43.4 yearsPike County: 43.1 yearsPope County: 51.4 yearsPulaski County: 44.7 yearsPutnam County: 47.1 yearsRandolph County: 42.8 yearsRichland County: 42.8 yearsRock Island County: 40.5 yearsSt. Clair County: 38.7 yearsSaline County: 42.7 yearsSangamon County: 40.7 yearsSchuyler County: 47.1 yearsScott County: 44.8 yearsShelby County: 45.2 yearsStark County: 45.3 yearsStephenson County: 45.6 yearsTazewell County: 41.5 yearsUnion County: 44.7 yearsVermilion County: 41.3 yearsWabash County: 42.5 yearsWarren County: 40.9 yearsWashington County: 43.9 yearsWayne County: 43.1 yearsWhite County: 45 yearsWhiteside County: 43.9 yearsWill County: 38.4 yearsWilliamson County: 41.5 yearsWinnebago County: 39.8 yearsWoodford County: 40.9 yearsAdams County: 33.7 yearsAllen County: 36.2 yearsBartholomew County: 37.8 yearsBenton County: 40.7 yearsBlackford County: 45.1 yearsBoone County: 38.3 yearsBrown County: 49.4 yearsCarroll County: 42.6 yearsCass County: 40.1 yearsClark County: 39.2 yearsClay County: 41.6 yearsClinton County: 38.3 yearsCrawford County: 44.8 yearsDaviess County: 35 yearsDearborn County: 42.3 yearsDecatur County: 40.1 yearsDeKalb County: 39.7 yearsDelaware County: 36.3 yearsDubois County: 40.9 yearsElkhart County: 35.6 yearsFayette County: 43.5 yearsFloyd County: 40 yearsFountain County: 43.9 yearsFranklin County: 42.8 yearsFulton County: 41.6 yearsGibson County: 40.6 yearsGrant County: 40.7 yearsGreene County: 43.6 yearsHamilton County: 37.4 yearsHancock County: 40.4 yearsHarrison County: 41.8 yearsHendricks County: 38.1 yearsHenry County: 43.2 yearsHoward County: 41.8 yearsHuntington County: 41.4 yearsJackson County: 38.5 yearsJasper County: 40.7 yearsJay County: 39.5 yearsJefferson County: 40.5 yearsJennings County: 40.6 yearsJohnson County: 37.5 yearsKnox County: 39.8 yearsKosciusko County: 38.5 yearsLaGrange County: 30.9 yearsLake County: 39.1 yearsLaPorte County: 41.1 yearsLawrence County: 43.7 yearsMadison County: 41.1 yearsMarion County: 34.5 yearsMarshall County: 39.9 yearsMartin County: 43.3 yearsMiami County: 40.3 yearsMonroe County: 30.3 yearsMontgomery County: 40.6 yearsMorgan County: 42.7 yearsNewton County: 44.4 yearsNoble County: 38.7 yearsOhio County: 46.3 yearsOrange County: 42.4 yearsOwen County: 44.7 yearsParke County: 41.2 yearsPerry County: 41.8 yearsPike County: 44.1 yearsPorter County: 40.2 yearsPosey County: 42.8 yearsPulaski County: 43.6 yearsPutnam County: 39.8 yearsRandolph County: 43 yearsRipley County: 41.6 yearsRush County: 42.1 yearsSt. Joseph County: 36.7 yearsScott County: 41 yearsShelby County: 41.5 yearsSpencer County: 43.6 yearsStarke County: 42.8 yearsSteuben County: 42.8 yearsSullivan County: 41.6 yearsSwitzerland County: 39.8 yearsTippecanoe County: 28.8 yearsTipton County: 44.9 yearsUnion County: 43.4 yearsVanderburgh County: 38.4 yearsVermillion County: 44.1 yearsVigo County: 37 yearsWabash County: 44 yearsWarren County: 44.4 yearsWarrick County: 41.2 yearsWashington County: 41.5 yearsWayne County: 41.5 yearsWells County: 41 yearsWhite County: 43.1 yearsWhitley County: 41.5 yearsAdair County: 44.8 yearsAdams County: 46.4 yearsAllamakee County: 43.7 yearsAppanoose County: 45.4 yearsAudubon County: 48.3 yearsBenton County: 42.2 yearsBlack Hawk County: 36.1 yearsBoone County: 41.6 yearsBremer County: 39.5 yearsBuchanan County: 39.3 yearsBuena Vista County: 35.8 yearsButler County: 45.1 yearsCalhoun County: 44.3 yearsCarroll County: 42.1 yearsCass County: 45.5 yearsCedar County: 43.2 yearsCerro Gordo County: 44.7 yearsCherokee County: 46.6 yearsChickasaw County: 44 yearsClarke County: 39.5 yearsClay County: 42.5 yearsClayton County: 46.7 yearsClinton County: 42.7 yearsCrawford County: 37.9 yearsDallas County: 35.1 yearsDavis County: 36.6 yearsDecatur County: 38.6 yearsDelaware County: 43.3 yearsDes Moines County: 42.8 yearsDickinson County: 49 yearsDubuque County: 38.7 yearsEmmet County: 42.3 yearsFayette County: 43.6 yearsFloyd County: 43.6 yearsFranklin County: 42.7 yearsFremont County: 45.6 yearsGreene County: 44.7 yearsGrundy County: 42.7 yearsGuthrie County: 46 yearsHamilton County: 42.9 yearsHancock County: 45.4 yearsHardin County: 43.3 yearsHarrison County: 43.7 yearsHenry County: 40.4 yearsHoward County: 42 yearsHumboldt County: 42.6 yearsIda County: 44.3 yearsIowa County: 42.7 yearsJackson County: 44.9 yearsJasper County: 41.9 yearsJefferson County: 45.5 yearsJohnson County: 30.8 yearsJones County: 43.2 yearsKeokuk County: 43.6 yearsKossuth County: 46.7 yearsLee County: 44.2 yearsLinn County: 37.6 yearsLouisa County: 41.6 yearsLucas County: 43.4 yearsLyon County: 37.2 yearsMadison County: 41.6 yearsMahaska County: 39.8 yearsMarion County: 40.4 yearsMarshall County: 38.9 yearsMills County: 42.4 yearsMitchell County: 43.8 yearsMonona County: 46.3 yearsMonroe County: 42.6 yearsMontgomery County: 45.1 yearsMuscatine County: 38.8 yearsO'Brien County: 42 yearsOsceola County: 43.7 yearsPage County: 43 yearsPalo Alto County: 43.8 yearsPlymouth County: 40.7 yearsPocahontas County: 45 yearsPolk County: 35.6 yearsPottawattamie County: 39.6 yearsPoweshiek County: 40.9 yearsRinggold County: 45.5 yearsSac County: 46.9 yearsScott County: 38.4 yearsShelby County: 46.5 yearsSioux County: 33.4 yearsStory County: 26.5 yearsTama County: 42.2 yearsTaylor County: 43.4 yearsUnion County: 41.1 yearsVan Buren County: 44.8 yearsWapello County: 39.2 yearsWarren County: 38.5 yearsWashington County: 41 yearsWayne County: 41.1 yearsWebster County: 39.9 yearsWinnebago County: 42 yearsWinneshiek County: 42.4 yearsWoodbury County: 35.7 yearsWorth County: 44.1 yearsWright County: 41.6 yearsAllen County: 41.5 yearsAnderson County: 42.2 yearsAtchison County: 36.6 yearsBarber County: 46.8 yearsBarton County: 40.2 yearsBourbon County: 38.7 yearsBrown County: 42.3 yearsButler County: 38 yearsChase County: 45.6 yearsChautauqua County: 47.7 yearsCherokee County: 42.8 yearsCheyenne County: 47.1 yearsClark County: 41.8 yearsClay County: 44.3 yearsCloud County: 41.1 yearsCoffey County: 44.3 yearsComanche County: 44.5 yearsCowley County: 38.6 yearsCrawford County: 34.3 yearsDecatur County: 50.2 yearsDickinson County: 42.2 yearsDoniphan County: 39.7 yearsDouglas County: 31.3 yearsEdwards County: 45.3 yearsElk County: 51.9 yearsEllis County: 33.5 yearsEllsworth County: 43.1 yearsFinney County: 31.4 yearsFord County: 31.3 yearsFranklin County: 39.8 yearsGeary County: 28 yearsGove County: 43.7 yearsGraham County: 51.1 yearsGrant County: 33.6 yearsGray County: 36.7 yearsGreeley County: 40.4 yearsGreenwood County: 48.1 yearsHamilton County: 33.6 yearsHarper County: 43.2 yearsHarvey County: 40.4 yearsHaskell County: 34.4 yearsHodgeman County: 46.4 yearsJackson County: 41.4 yearsJefferson County: 43.6 yearsJewell County: 51.1 yearsJohnson County: 37.7 yearsKearny County: 34.2 yearsKingman County: 45.3 yearsKiowa County: 40.7 yearsLabette County: 40.1 yearsLane County: 47.4 yearsLeavenworth County: 38.1 yearsLincoln County: 47.8 yearsLinn County: 44.8 yearsLogan County: 39.7 yearsLyon County: 35 yearsMcPherson County: 39.9 yearsMarion County: 44.9 yearsMarshall County: 43.4 yearsMeade County: 39.4 yearsMiami County: 41 yearsMitchell County: 45.5 yearsMontgomery County: 40.9 yearsMorris County: 47.2 yearsMorton County: 41.5 yearsNemaha County: 40.4 yearsNeosho County: 40.1 yearsNess County: 50.7 yearsNorton County: 42.3 yearsOsage County: 44.4 yearsOsborne County: 49.3 yearsOttawa County: 44.1 yearsPawnee County: 41.6 yearsPhillips County: 46.2 yearsPottawatomie County: 35.6 yearsPratt County: 39.6 yearsRawlins County: 47.8 yearsReno County: 40.7 yearsRepublic County: 49.5 yearsRice County: 39.3 yearsRiley County: 25.1 yearsRooks County: 44.9 yearsRush County: 48 yearsRussell County: 45.2 yearsSaline County: 39.3 yearsScott County: 38.8 yearsSedgwick County: 35.7 yearsSeward County: 30.1 yearsShawnee County: 39.2 yearsSheridan County: 43.2 yearsSherman County: 38.5 yearsSmith County: 51.3 yearsStafford County: 44.3 yearsStanton County: 36.1 yearsStevens County: 36 yearsSumner County: 41.2 yearsThomas County: 36.6 yearsTrego County: 48.5 yearsWabaunsee County: 43.4 yearsWallace County: 44.4 yearsWashington County: 45.1 yearsWichita County: 38.8 yearsWilson County: 43.4 yearsWoodson County: 45.8 yearsWyandotte County: 34 yearsAdair County: 40.8 yearsAllen County: 41 yearsAnderson County: 41.3 yearsBallard County: 44.6 yearsBarren County: 40.5 yearsBath County: 40 yearsBell County: 42.3 yearsBoone County: 37.2 yearsBourbon County: 42 yearsBoyd County: 42.9 yearsBoyle County: 40.9 yearsBracken County: 41.3 yearsBreathitt County: 42.6 yearsBreckinridge County: 42.7 yearsBullitt County: 39.9 yearsButler County: 41.6 yearsCaldwell County: 44.3 yearsCalloway County: 36.6 yearsCampbell County: 37.9 yearsCarlisle County: 43.8 yearsCarroll County: 38.7 yearsCarter County: 42.2 yearsCasey County: 41.8 yearsChristian County: 29.7 yearsClark County: 41.7 yearsClay County: 40.3 yearsClinton County: 43.1 yearsCrittenden County: 43.6 yearsCumberland County: 46.6 yearsDaviess County: 38.9 yearsEdmonson County: 42.6 yearsElliott County: 41.9 yearsEstill County: 44 yearsFayette County: 34.9 yearsFleming County: 41.2 yearsFloyd County: 42.5 yearsFranklin County: 40.9 yearsFulton County: 43.8 yearsGallatin County: 38.4 yearsGarrard County: 43.2 yearsGrant County: 37.8 yearsGraves County: 40.2 yearsGrayson County: 41 yearsGreen County: 44.8 yearsGreenup County: 43.7 yearsHancock County: 41 yearsHardin County: 37.8 yearsHarlan County: 42.3 yearsHarrison County: 43 yearsHart County: 39.8 yearsHenderson County: 40.8 yearsHenry County: 42.1 yearsHickman County: 47.9 yearsHopkins County: 41.7 yearsJackson County: 41.5 yearsJefferson County: 38.4 yearsJessamine County: 37.2 yearsJohnson County: 42.5 yearsKenton County: 37.3 yearsKnott County: 42.6 yearsKnox County: 40.4 yearsLarue County: 41 yearsLaurel County: 40 yearsLawrence County: 41.7 yearsLee County: 43.2 yearsLeslie County: 43.1 yearsLetcher County: 43.2 yearsLewis County: 42 yearsLincoln County: 42 yearsLivingston County: 46.9 yearsLogan County: 40.6 yearsLyon County: 48.8 yearsMcCracken County: 42.3 yearsMcCreary County: 39.7 yearsMcLean County: 43.3 yearsMadison County: 35.3 yearsMagoffin County: 42.8 yearsMarion County: 39.9 yearsMarshall County: 45.5 yearsMartin County: 39.8 yearsMason County: 41.9 yearsMeade County: 38.2 yearsMenifee County: 43.9 yearsMercer County: 43.7 yearsMetcalfe County: 41.7 yearsMonroe County: 41.8 yearsMontgomery County: 39.6 yearsMorgan County: 40.7 yearsMuhlenberg County: 41.9 yearsNelson County: 40 yearsNicholas County: 42.1 yearsOhio County: 40.2 yearsOldham County: 39.6 yearsOwen County: 41.5 yearsOwsley County: 43.7 yearsPendleton County: 41.6 yearsPerry County: 41.8 yearsPike County: 43.2 yearsPowell County: 40.1 yearsPulaski County: 42.5 yearsRobertson County: 46.9 yearsRockcastle County: 43.5 yearsRowan County: 32.3 yearsRussell County: 43.5 yearsScott County: 36.1 yearsShelby County: 39 yearsSimpson County: 39.3 yearsSpencer County: 41.6 yearsTaylor County: 39 yearsTodd County: 38 yearsTrigg County: 46.2 yearsTrimble County: 43.5 yearsUnion County: 39 yearsWarren County: 33.3 yearsWashington County: 42.6 yearsWayne County: 43 yearsWebster County: 41.3 yearsWhitley County: 38.2 yearsWolfe County: 42 yearsWoodford County: 43 yearsAcadia Parish: 38.3 yearsAllen Parish: 39.3 yearsAscension Parish: 35.8 yearsAssumption Parish: 42 yearsAvoyelles Parish: 40 yearsBeauregard Parish: 38.7 yearsBienville Parish: 43.3 yearsBossier Parish: 35.7 yearsCaddo Parish: 38.5 yearsCalcasieu Parish: 36.6 yearsCaldwell Parish: 41 yearsCameron Parish: 41.4 yearsCatahoula Parish: 40.2 yearsClaiborne Parish: 44.1 yearsConcordia Parish: 39 yearsDe Soto Parish: 40.8 yearsEast Baton Rouge Parish: 34.7 yearsEast Carroll Parish: 35.4 yearsEast Feliciana Parish: 44.7 yearsEvangeline Parish: 38.6 yearsFranklin Parish: 39.6 yearsGrant Parish: 38.7 yearsIberia Parish: 38.3 yearsIberville Parish: 40.7 yearsJackson Parish: 41.6 yearsJefferson Parish: 39.4 yearsJefferson Davis Parish: 38.4 yearsLafayette Parish: 35.8 yearsLafourche Parish: 37.8 yearsLaSalle Parish: 37.8 yearsLincoln Parish: 29.3 yearsLivingston Parish: 36.3 yearsMadison Parish: 36.9 yearsMorehouse Parish: 41.2 yearsNatchitoches Parish: 36.2 yearsOrleans Parish: 35.7 yearsOuachita Parish: 35.9 yearsPlaquemines Parish: 36.4 yearsPointe Coupee Parish: 43.6 yearsRapides Parish: 38.7 yearsRed River Parish: 40.6 yearsRichland Parish: 40.2 yearsSabine Parish: 42.6 yearsSt. Bernard Parish: 34.1 yearsSt. Charles Parish: 38.6 yearsSt. Helena Parish: 41.3 yearsSt. James Parish: 40 yearsSt. John the Baptist Parish: 38.8 yearsSt. Landry Parish: 38.7 yearsSt. Martin Parish: 39.3 yearsSt. Mary Parish: 39.7 yearsSt. Tammany Parish: 40.7 yearsTangipahoa Parish: 36.1 yearsTensas Parish: 45.4 yearsTerrebonne Parish: 37.3 yearsUnion Parish: 44.3 yearsVermilion Parish: 38.4 yearsVernon Parish: 32.4 yearsWashington Parish: 40.7 yearsWebster Parish: 42.7 yearsWest Baton Rouge Parish: 36.7 yearsWest Carroll Parish: 43.1 yearsWest Feliciana Parish: 44.3 yearsWinn Parish: 40 yearsAndroscoggin County: 41.1 yearsAroostook County: 48.6 yearsCumberland County: 42.4 yearsFranklin County: 46.7 yearsHancock County: 49 yearsKennebec County: 44.9 yearsKnox County: 48.9 yearsLincoln County: 51.7 yearsOxford County: 47.4 yearsPenobscot County: 41.7 yearsPiscataquis County: 51.9 yearsSagadahoc County: 47.2 yearsSomerset County: 46.6 yearsWaldo County: 46.8 yearsWashington County: 49.2 yearsYork County: 45.5 yearsAllegany County: 43.4 yearsAnne Arundel County: 38.6 yearsBaltimore County: 39.2 yearsCalvert County: 40.8 yearsCaroline County: 40.1 yearsCarroll County: 42.3 yearsCecil County: 40.5 yearsCharles County: 38.5 yearsDorchester County: 45.2 yearsFrederick County: 38.7 yearsGarrett County: 46.2 yearsHarford County: 40.8 yearsHoward County: 38.7 yearsKent County: 48.8 yearsMontgomery County: 39 yearsPrince George's County: 36.5 yearsQueen Anne's County: 44.7 yearsSt. Mary's County: 37 yearsSomerset County: 39.1 yearsTalbot County: 50.6 yearsWashington County: 40.9 yearsWicomico County: 37.6 yearsWorcester County: 50.3 yearsBaltimore city: 35.1 yearsBarnstable County: 54.1 yearsBerkshire County: 47.3 yearsBristol County: 41.3 yearsDukes County: 48.7 yearsEssex County: 41.2 yearsFranklin County: 46.6 yearsHampden County: 39.7 yearsHampshire County: 37.8 yearsMiddlesex County: 38.4 yearsNantucket County: 40.7 yearsNorfolk County: 41.2 yearsPlymouth County: 43.3 yearsSuffolk County: 32.1 yearsWorcester County: 40 yearsAlcona County: 58.4 yearsAlger County: 49.9 yearsAllegan County: 40 yearsAlpena County: 47.7 yearsAntrim County: 51.6 yearsArenac County: 50.4 yearsBaraga County: 45.9 yearsBarry County: 42.5 yearsBay County: 43.8 yearsBenzie County: 50.5 yearsBerrien County: 42.8 yearsBranch County: 40.7 yearsCalhoun County: 40.1 yearsCass County: 44.7 yearsCharlevoix County: 49.1 yearsCheboygan County: 50.6 yearsChippewa County: 41.1 yearsClare County: 47.5 yearsClinton County: 39.6 yearsCrawford County: 50.4 yearsDelta County: 47.6 yearsDickinson County: 46.8 yearsEaton County: 41.1 yearsEmmet County: 46.5 yearsGenesee County: 40.7 yearsGladwin County: 50.5 yearsGogebic County: 49 yearsGrand Traverse County: 43.3 yearsGratiot County: 39.5 yearsHillsdale County: 42.3 yearsHoughton County: 33.3 yearsHuron County: 49 yearsIngham County: 33 yearsIonia County: 39.1 yearsIosco County: 53.2 yearsIron County: 54.1 yearsIsabella County: 30 yearsJackson County: 41 yearsKalamazoo County: 35.6 yearsKalkaska County: 45.2 yearsKent County: 35.2 yearsKeweenaw County: 57.6 yearsLake County: 51 yearsLapeer County: 44.2 yearsLeelanau County: 54.3 yearsLenawee County: 42.1 yearsLivingston County: 43.2 yearsLuce County: 47.8 yearsMackinac County: 52.9 yearsMacomb County: 41.3 yearsManistee County: 50.1 yearsMarquette County: 40.1 yearsMason County: 47.1 yearsMecosta County: 39 yearsMenominee County: 48.9 yearsMidland County: 41.8 yearsMissaukee County: 43.8 yearsMonroe County: 42.5 yearsMontcalm County: 40.6 yearsMontmorency County: 56.3 yearsMuskegon County: 40 yearsNewaygo County: 42.9 yearsOakland County: 40.8 yearsOceana County: 43.4 yearsOgemaw County: 50.5 yearsOntonagon County: 58.4 yearsOsceola County: 43.5 yearsOscoda County: 53.8 yearsOtsego County: 45.3 yearsOttawa County: 35.6 yearsPresque Isle County: 55.1 yearsRoscommon County: 56.2 yearsSaginaw County: 41.2 yearsSt. Clair County: 44.3 yearsSt. Joseph County: 39.7 yearsSanilac County: 45 yearsSchoolcraft County: 52.7 yearsShiawassee County: 43.2 yearsTuscola County: 44.4 yearsVan Buren County: 42.1 yearsWashtenaw County: 33.9 yearsWayne County: 37.6 yearsWexford County: 42 yearsAitkin County: 55.5 yearsAnoka County: 38.4 yearsBecker County: 42.8 yearsBeltrami County: 35.1 yearsBenton County: 36.4 yearsBig Stone County: 47.8 yearsBlue Earth County: 32 yearsBrown County: 43.1 yearsCarlton County: 41.7 yearsCarver County: 38 yearsCass County: 49.6 yearsChippewa County: 41.6 yearsChisago County: 40.7 yearsClay County: 33.3 yearsClearwater County: 42.9 yearsCook County: 52.8 yearsCottonwood County: 43.3 yearsCrow Wing County: 44.5 yearsDakota County: 38.3 yearsDodge County: 38.5 yearsDouglas County: 43.8 yearsFaribault County: 45 yearsFillmore County: 42.8 yearsFreeborn County: 44 yearsGoodhue County: 42.8 yearsGrant County: 43.6 yearsHennepin County: 36.2 yearsHouston County: 45.1 yearsHubbard County: 47.7 yearsIsanti County: 39.7 yearsItasca County: 46.5 yearsJackson County: 43.8 yearsKanabec County: 45.4 yearsKandiyohi County: 39.2 yearsKittson County: 48.1 yearsKoochiching County: 49.1 yearsLac qui Parle County: 48.7 yearsLake County: 50.6 yearsLake of the Woods County: 50.9 yearsLe Sueur County: 41 yearsLincoln County: 46 yearsLyon County: 36.8 yearsMcLeod County: 41.3 yearsMahnomen County: 38 yearsMarshall County: 43.2 yearsMartin County: 45.2 yearsMeeker County: 42.7 yearsMille Lacs County: 41.4 yearsMorrison County: 42.2 yearsMower County: 38.5 yearsMurray County: 47.4 yearsNicollet County: 37 yearsNobles County: 35.1 yearsNorman County: 44.1 yearsOlmsted County: 37 yearsOtter Tail County: 46.5 yearsPennington County: 39.2 yearsPine County: 44.7 yearsPipestone County: 42 yearsPolk County: 39.2 yearsPope County: 46.4 yearsRamsey County: 35.2 yearsRed Lake County: 42.7 yearsRedwood County: 41.3 yearsRenville County: 44 yearsRice County: 37.1 yearsRock County: 41.2 yearsRoseau County: 42.7 yearsSt. Louis County: 41.2 yearsScott County: 36.9 yearsSherburne County: 36.5 yearsSibley County: 41.7 yearsStearns County: 36 yearsSteele County: 39.6 yearsStevens County: 34.5 yearsSwift County: 42.7 yearsTodd County: 41.7 yearsTraverse County: 47.1 yearsWabasha County: 45.4 yearsWadena County: 42.6 yearsWaseca County: 40.3 yearsWashington County: 39.6 yearsWatonwan County: 39.2 yearsWilkin County: 42.7 yearsWinona County: 36.4 yearsWright County: 37 yearsYellow Medicine County: 42.3 yearsAdams County: 42.6 yearsAlcorn County: 41 yearsAmite County: 47.8 yearsAttala County: 41.1 yearsBenton County: 43.5 yearsBolivar County: 36.9 yearsCalhoun County: 44 yearsCarroll County: 47 yearsChickasaw County: 40.7 yearsChoctaw County: 43.3 yearsClaiborne County: 34 yearsClarke County: 42.4 yearsClay County: 41.9 yearsCoahoma County: 36.5 yearsCopiah County: 39.4 yearsCovington County: 40.1 yearsDeSoto County: 37.1 yearsForrest County: 33.1 yearsFranklin County: 44.9 yearsGeorge County: 38 yearsGreene County: 39.5 yearsGrenada County: 41.6 yearsHancock County: 43.5 yearsHarrison County: 37.4 yearsHinds County: 36.4 yearsHolmes County: 37 yearsHumphreys County: 38.7 yearsIssaquena County: 38 yearsItawamba County: 39.6 yearsJackson County: 39.3 yearsJasper County: 42.9 yearsJefferson County: 39.3 yearsJefferson Davis County: 44.3 yearsJones County: 38.3 yearsKemper County: 39.9 yearsLafayette County: 29.7 yearsLamar County: 34.5 yearsLauderdale County: 38.8 yearsLawrence County: 41.7 yearsLeake County: 37.9 yearsLee County: 38.7 yearsLeflore County: 35.9 yearsLincoln County: 40 yearsLowndes County: 37.9 yearsMadison County: 38.5 yearsMarion County: 40.7 yearsMarshall County: 42.8 yearsMonroe County: 42.4 yearsMontgomery County: 44.8 yearsNeshoba County: 37.6 yearsNewton County: 38.3 yearsNoxubee County: 39 yearsOktibbeha County: 27 yearsPanola County: 39.2 yearsPearl River County: 41.3 yearsPerry County: 42.8 yearsPike County: 39.4 yearsPontotoc County: 38 yearsPrentiss County: 38.9 yearsQuitman County: 42.9 yearsRankin County: 37.9 yearsScott County: 36.5 yearsSharkey County: 41.4 yearsSimpson County: 40 yearsSmith County: 43.3 yearsStone County: 38.9 yearsSunflower County: 38.1 yearsTallahatchie County: 38.7 yearsTate County: 38.5 yearsTippah County: 39.7 yearsTishomingo County: 44.6 yearsTunica County: 33.8 yearsUnion County: 39.8 yearsWalthall County: 42.3 yearsWarren County: 40.2 yearsWashington County: 39.3 yearsWayne County: 39.7 yearsWebster County: 41.8 yearsWilkinson County: 40.2 yearsWinston County: 41.8 yearsYalobusha County: 45.1 yearsYazoo County: 38.3 yearsAdair County: 30.4 yearsAndrew County: 41.2 yearsAtchison County: 46.7 yearsAudrain County: 39.3 yearsBarry County: 43.1 yearsBarton County: 41.2 yearsBates County: 41.8 yearsBenton County: 53.5 yearsBollinger County: 45.1 yearsBoone County: 31.3 yearsBuchanan County: 38.4 yearsButler County: 40.2 yearsCaldwell County: 43.1 yearsCallaway County: 39 yearsCamden County: 51.1 yearsCape Girardeau County: 37.1 yearsCarroll County: 44.2 yearsCarter County: 45.3 yearsCass County: 39.9 yearsCedar County: 43.8 yearsChariton County: 46.3 yearsChristian County: 37.8 yearsClark County: 42.8 yearsClay County: 37.1 yearsClinton County: 42.1 yearsCole County: 39.4 yearsCooper County: 39.8 yearsCrawford County: 43.4 yearsDade County: 47.8 yearsDallas County: 43.3 yearsDaviess County: 40.9 yearsDeKalb County: 41.4 yearsDent County: 44.9 yearsDouglas County: 47.1 yearsDunklin County: 40.6 yearsFranklin County: 41.3 yearsGasconade County: 46.4 yearsGentry County: 40.2 yearsGreene County: 36.5 yearsGrundy County: 40.1 yearsHarrison County: 43.2 yearsHenry County: 44.8 yearsHickory County: 56 yearsHolt County: 47.7 yearsHoward County: 38 yearsHowell County: 41.3 yearsIron County: 45.3 yearsJackson County: 36.6 yearsJasper County: 35.8 yearsJefferson County: 39.8 yearsJohnson County: 31.7 yearsKnox County: 45 yearsLaclede County: 40.6 yearsLafayette County: 42.1 yearsLawrence County: 40 yearsLewis County: 38.9 yearsLincoln County: 37.3 yearsLinn County: 42.7 yearsLivingston County: 41.2 yearsMcDonald County: 37.5 yearsMacon County: 43.5 yearsMadison County: 41.5 yearsMaries County: 45.3 yearsMarion County: 39.7 yearsMercer County: 43.7 yearsMiller County: 41.5 yearsMississippi County: 41.9 yearsMoniteau County: 37.9 yearsMonroe County: 45.9 yearsMontgomery County: 45.1 yearsMorgan County: 46 yearsNew Madrid County: 42.2 yearsNewton County: 40.4 yearsNodaway County: 32.9 yearsOregon County: 47.6 yearsOsage County: 40.8 yearsOzark County: 51.5 yearsPemiscot County: 39 yearsPerry County: 41.4 yearsPettis County: 37.8 yearsPhelps County: 35.6 yearsPike County: 39.9 yearsPlatte County: 37.9 yearsPolk County: 39 yearsPulaski County: 27.3 yearsPutnam County: 47.1 yearsRalls County: 44.9 yearsRandolph County: 40.2 yearsRay County: 42.3 yearsReynolds County: 46.4 yearsRipley County: 44.4 yearsSt. Charles County: 38.7 yearsSt. Clair County: 48.6 yearsSte. Genevieve County: 43.8 yearsSt. Francois County: 39.8 yearsSt. Louis County: 40.4 yearsSaline County: 36.9 yearsSchuyler County: 40.6 yearsScotland County: 35.6 yearsScott County: 39.9 yearsShannon County: 47.2 yearsShelby County: 41.9 yearsStoddard County: 42 yearsStone County: 53.7 yearsSullivan County: 42.7 yearsTaney County: 41.7 yearsTexas County: 43 yearsVernon County: 39.8 yearsWarren County: 41.1 yearsWashington County: 41.7 yearsWayne County: 48.3 yearsWebster County: 37.4 yearsWorth County: 46.8 yearsWright County: 40.9 yearsSt. Louis city: 35.3 yearsBeaverhead County: 43.7 yearsBig Horn County: 30.4 yearsBlaine County: 34.4 yearsBroadwater County: 46.6 yearsCarbon County: 49.9 yearsCarter County: 45.5 yearsCascade County: 38.5 yearsChouteau County: 40.1 yearsCuster County: 40.6 yearsDaniels County: 46.5 yearsDawson County: 41.6 yearsDeer Lodge County: 48.5 yearsFallon County: 38.6 yearsFergus County: 47.4 yearsFlathead County: 42.5 yearsGallatin County: 33.2 yearsGarfield County: 43.6 yearsGlacier County: 32.7 yearsGolden Valley County: 52 yearsGranite County: 52.9 yearsHill County: 35.1 yearsJefferson County: 48.9 yearsJudith Basin County: 52.4 yearsLake County: 44.3 yearsLewis and Clark County: 41.2 yearsLiberty County: 42.3 yearsLincoln County: 53.5 yearsMcCone County: 46.7 yearsMadison County: 52.7 yearsMeagher County: 53.8 yearsMineral County: 53.3 yearsMissoula County: 37.1 yearsMusselshell County: 51.2 yearsPark County: 46.9 yearsPetroleum County: 52.1 yearsPhillips County: 44.1 yearsPondera County: 41.3 yearsPowder River County: 49.6 yearsPowell County: 46.2 yearsPrairie County: 52.3 yearsRavalli County: 49.5 yearsRichland County: 38.4 yearsRoosevelt County: 32.3 yearsRosebud County: 38.1 yearsSanders County: 54.4 yearsSheridan County: 45.8 yearsSilver Bow County: 41.8 yearsStillwater County: 48.6 yearsSweet Grass County: 48.3 yearsTeton County: 45 yearsToole County: 41 yearsTreasure County: 49.5 yearsValley County: 44.2 yearsWheatland County: 46.3 yearsWibaux County: 43.9 yearsYellowstone County: 38.6 yearsAdams County: 38.1 yearsAntelope County: 44.1 yearsArthur County: 40.5 yearsBanner County: 47.5 yearsBlaine County: 48.9 yearsBoone County: 44.5 yearsBox Butte County: 40.9 yearsBoyd County: 54.2 yearsBrown County: 47.9 yearsBuffalo County: 33.8 yearsBurt County: 47.2 yearsButler County: 43.2 yearsCass County: 42 yearsCedar County: 43.5 yearsChase County: 42.8 yearsCherry County: 43 yearsCheyenne County: 41.5 yearsClay County: 42.9 yearsColfax County: 34.3 yearsCuming County: 42.1 yearsCuster County: 43.2 yearsDakota County: 33.5 yearsDawes County: 35.7 yearsDawson County: 36.1 yearsDeuel County: 49.4 yearsDixon County: 41.7 yearsDodge County: 39 yearsDouglas County: 34.4 yearsDundy County: 48.7 yearsFillmore County: 46.3 yearsFranklin County: 49.1 yearsFrontier County: 43 yearsFurnas County: 46.6 yearsGage County: 44.2 yearsGarden County: 51.6 yearsGarfield County: 48.3 yearsGosper County: 47.9 yearsGrant County: 42.5 yearsGreeley County: 47.1 yearsHall County: 36 yearsHamilton County: 41.4 yearsHarlan County: 49.3 yearsHayes County: 43.6 yearsHitchcock County: 47.3 yearsHolt County: 43.1 yearsHooker County: 46.1 yearsHoward County: 43.3 yearsJefferson County: 46.5 yearsJohnson County: 41.6 yearsKearney County: 40.7 yearsKeith County: 48.3 yearsKeya Paha County: 49.4 yearsKimball County: 48.1 yearsKnox County: 45.5 yearsLancaster County: 34.2 yearsLincoln County: 40.7 yearsLogan County: 44.3 yearsLoup County: 53.2 yearsMcPherson County: 48.7 yearsMadison County: 37.1 yearsMerrick County: 43.2 yearsMorrill County: 43.5 yearsNance County: 44.4 yearsNemaha County: 38.4 yearsNuckolls County: 48.9 yearsOtoe County: 42.2 yearsPawnee County: 49 yearsPerkins County: 41.5 yearsPhelps County: 43.2 yearsPierce County: 41.4 yearsPlatte County: 38.3 yearsPolk County: 46.2 yearsRed Willow County: 41.8 yearsRichardson County: 47.7 yearsRock County: 51.6 yearsSaline County: 36.4 yearsSarpy County: 34.9 yearsSaunders County: 41.8 yearsScotts Bluff County: 39.9 yearsSeward County: 37.6 yearsSheridan County: 47.4 yearsSherman County: 48.1 yearsSioux County: 48.9 yearsStanton County: 39.1 yearsThayer County: 47.1 yearsThomas County: 45.7 yearsThurston County: 28.4 yearsValley County: 44.9 yearsWashington County: 42.3 yearsWayne County: 30.4 yearsWebster County: 46.1 yearsWheeler County: 48 yearsYork County: 39.9 yearsChurchill County: 40.9 yearsClark County: 37.5 yearsDouglas County: 53.1 yearsElko County: 33.7 yearsEsmeralda County: 54.2 yearsEureka County: 44.5 yearsHumboldt County: 36.5 yearsLander County: 38.1 yearsLincoln County: 42.8 yearsLyon County: 43.4 yearsMineral County: 47.4 yearsNye County: 53.4 yearsPershing County: 42.2 yearsStorey County: 55.5 yearsWashoe County: 38.1 yearsWhite Pine County: 39.7 yearsCarson City: 43.9 yearsBelknap County: 48.6 yearsCarroll County: 53.6 yearsCheshire County: 43.4 yearsCoos County: 49.7 yearsGrafton County: 43.3 yearsHillsborough County: 40.9 yearsMerrimack County: 43.2 yearsRockingham County: 45 yearsStrafford County: 38.3 yearsSullivan County: 46.7 yearsAtlantic County: 42.3 yearsBergen County: 41.8 yearsBurlington County: 41.5 yearsCamden County: 39 yearsCape May County: 50.8 yearsCumberland County: 37.9 yearsEssex County: 37.1 yearsGloucester County: 40 yearsHudson County: 34.7 yearsHunterdon County: 46.6 yearsMercer County: 38.4 yearsMiddlesex County: 38.5 yearsMonmouth County: 43.3 yearsMorris County: 42.5 yearsOcean County: 42 yearsPassaic County: 37.5 yearsSalem County: 42.2 yearsSomerset County: 41.9 yearsSussex County: 45.2 yearsUnion County: 38.5 yearsWarren County: 44.4 yearsBernalillo County: 38.2 yearsCatron County: 61.6 yearsChaves County: 35.9 yearsCibola County: 38.1 yearsColfax County: 49.1 yearsCurry County: 32.4 yearsDe Baca County: 49.7 yearsDoña Ana County: 35.2 yearsEddy County: 35.7 yearsGrant County: 48.4 yearsGuadalupe County: 41.2 yearsHarding County: 56.1 yearsHidalgo County: 43.6 yearsLea County: 32.6 yearsLincoln County: 52.8 yearsLos Alamos County: 42.3 yearsLuna County: 39.5 yearsMcKinley County: 33.4 yearsMora County: 51.6 yearsOtero County: 36.6 yearsQuay County: 47.3 yearsRio Arriba County: 42.7 yearsRoosevelt County: 31.4 yearsSandoval County: 40.5 yearsSan Juan County: 35.8 yearsSan Miguel County: 43.7 yearsSanta Fe County: 47 yearsSierra County: 56.5 yearsSocorro County: 38.5 yearsTaos County: 49 yearsTorrance County: 44.8 yearsUnion County: 42.4 yearsValencia County: 39.6 yearsAlbany County: 38.6 yearsAllegany County: 39 yearsBronx County: 35 yearsBroome County: 39.9 yearsCattaraugus County: 42.4 yearsCayuga County: 43.3 yearsChautauqua County: 42.8 yearsChemung County: 42 yearsChenango County: 45.4 yearsClinton County: 41 yearsColumbia County: 48.3 yearsCortland County: 38.4 yearsDelaware County: 48 yearsDutchess County: 42.6 yearsErie County: 40 yearsEssex County: 47.1 yearsFranklin County: 41.5 yearsFulton County: 44.3 yearsGenesee County: 43.6 yearsGreene County: 46.5 yearsHamilton County: 56.5 yearsHerkimer County: 44.2 yearsJefferson County: 33.1 yearsKings County: 35 yearsLewis County: 42.3 yearsLivingston County: 42 yearsMadison County: 41.5 yearsMonroe County: 39.3 yearsMontgomery County: 41.1 yearsNassau County: 41.8 yearsNew York County: 36.8 yearsNiagara County: 43.5 yearsOneida County: 40.9 yearsOnondaga County: 39 yearsOntario County: 44.1 yearsOrange County: 37.1 yearsOrleans County: 42.5 yearsOswego County: 40.1 yearsOtsego County: 42.3 yearsPutnam County: 44.3 yearsQueens County: 38.7 yearsRensselaer County: 39.5 yearsRichmond County: 40.1 yearsRockland County: 35.3 yearsSt. Lawrence County: 38.6 yearsSaratoga County: 42.8 yearsSchenectady County: 40.1 yearsSchoharie County: 45.5 yearsSchuyler County: 46.6 yearsSeneca County: 42.4 yearsSteuben County: 43.3 yearsSuffolk County: 41.9 yearsSullivan County: 42.5 yearsTioga County: 44.3 yearsTompkins County: 30.9 yearsUlster County: 44.3 yearsWarren County: 47 yearsWashington County: 44.3 yearsWayne County: 43.9 yearsWestchester County: 41 yearsWyoming County: 43 yearsYates County: 41.3 yearsAlamance County: 39.2 yearsAlexander County: 44.1 yearsAlleghany County: 50.1 yearsAnson County: 43.6 yearsAshe County: 49.2 yearsAvery County: 46 yearsBeaufort County: 47.5 yearsBertie County: 46.5 yearsBladen County: 44.3 yearsBrunswick County: 55.1 yearsBuncombe County: 41.8 yearsBurke County: 43.8 yearsCabarrus County: 37.6 yearsCaldwell County: 44.8 yearsCamden County: 41.4 yearsCarteret County: 49.5 yearsCaswell County: 46.9 yearsCatawba County: 42.4 yearsChatham County: 47.3 yearsCherokee County: 52.1 yearsChowan County: 48.4 yearsClay County: 54.2 yearsCleveland County: 42.6 yearsColumbus County: 43.1 yearsCraven County: 39.8 yearsCumberland County: 32.8 yearsCurrituck County: 43.4 yearsDare County: 48.5 yearsDavidson County: 43 yearsDavie County: 45.7 yearsDuplin County: 41 yearsDurham County: 34.9 yearsEdgecombe County: 42.8 yearsForsyth County: 38.5 yearsFranklin County: 41.5 yearsGaston County: 40.5 yearsGates County: 46.3 yearsGraham County: 47.4 yearsGranville County: 41.9 yearsGreene County: 41.5 yearsGuilford County: 37.4 yearsHalifax County: 45.4 yearsHarnett County: 34.4 yearsHaywood County: 48.1 yearsHenderson County: 47.4 yearsHertford County: 42.2 yearsHoke County: 33.1 yearsHyde County: 46.8 yearsIredell County: 41.1 yearsJackson County: 35.9 yearsJohnston County: 38 yearsJones County: 48 yearsLee County: 39.7 yearsLenoir County: 43.1 yearsLincoln County: 43.8 yearsMcDowell County: 44.3 yearsMacon County: 50.1 yearsMadison County: 45.2 yearsMartin County: 47.3 yearsMecklenburg County: 34.9 yearsMitchell County: 49 yearsMontgomery County: 44.4 yearsMoore County: 44.5 yearsNash County: 43 yearsNew Hanover County: 39.6 yearsNorthampton County: 50.9 yearsOnslow County: 28.1 yearsOrange County: 34.3 yearsPamlico County: 54.1 yearsPasquotank County: 39.4 yearsPender County: 43 yearsPerquimans County: 49.9 yearsPerson County: 44.7 yearsPitt County: 34.3 yearsPolk County: 53.1 yearsRandolph County: 42.2 yearsRichmond County: 41.3 yearsRobeson County: 37.6 yearsRockingham County: 45.5 yearsRowan County: 41.2 yearsRutherford County: 45.3 yearsSampson County: 40.4 yearsScotland County: 41.8 yearsStanly County: 42.5 yearsStokes County: 47 yearsSurry County: 44.3 yearsSwain County: 43 yearsTransylvania County: 50.3 yearsTyrrell County: 44.1 yearsUnion County: 38.4 yearsVance County: 41.8 yearsWake County: 36 yearsWarren County: 48.9 yearsWashington County: 48.8 yearsWatauga County: 28.8 yearsWayne County: 38.8 yearsWilkes County: 45.1 yearsWilson County: 41.8 yearsYadkin County: 44.7 yearsYancey County: 48 yearsAdams County: 51.3 yearsBarnes County: 44.1 yearsBenson County: 32.2 yearsBillings County: 44.1 yearsBottineau County: 45.2 yearsBowman County: 42.8 yearsBurke County: 41.9 yearsBurleigh County: 37.1 yearsCass County: 32.9 yearsCavalier County: 47.8 yearsDickey County: 40.1 yearsDivide County: 45.8 yearsDunn County: 39.2 yearsEddy County: 45.4 yearsEmmons County: 51.8 yearsFoster County: 45.6 yearsGolden Valley County: 41.5 yearsGrand Forks County: 30.6 yearsGrant County: 51.8 yearsGriggs County: 49.7 yearsHettinger County: 45.4 yearsKidder County: 47.5 yearsLaMoure County: 47.8 yearsLogan County: 48 yearsMcHenry County: 43.8 yearsMcIntosh County: 53.4 yearsMcKenzie County: 31.3 yearsMcLean County: 46.3 yearsMercer County: 43.7 yearsMorton County: 37.9 yearsMountrail County: 34.7 yearsNelson County: 53.9 yearsOliver County: 44.6 yearsPembina County: 46.8 yearsPierce County: 44.9 yearsRamsey County: 40.7 yearsRansom County: 42.6 yearsRenville County: 45.3 yearsRichland County: 38.8 yearsRolette County: 32.2 yearsSargent County: 46.1 yearsSheridan County: 51.2 yearsSioux County: 28.5 yearsSlope County: 47 yearsStark County: 34.3 yearsSteele County: 47.6 yearsStutsman County: 40.9 yearsTowner County: 49.4 yearsTraill County: 41.5 yearsWalsh County: 44.8 yearsWard County: 32.4 yearsWells County: 51.3 yearsWilliams County: 32.1 yearsAdams County: 41.9 yearsAllen County: 39.8 yearsAshland County: 40.9 yearsAshtabula County: 43.4 yearsAthens County: 29.2 yearsAuglaize County: 41.2 yearsBelmont County: 44.8 yearsBrown County: 42.8 yearsButler County: 37.2 yearsCarroll County: 46.1 yearsChampaign County: 42.7 yearsClark County: 41.7 yearsClermont County: 40.3 yearsClinton County: 40.5 yearsColumbiana County: 44.8 yearsCoshocton County: 41.5 yearsCrawford County: 44.3 yearsCuyahoga County: 40.4 yearsDarke County: 42.6 yearsDefiance County: 40.9 yearsDelaware County: 38.9 yearsErie County: 45.8 yearsFairfield County: 39.6 yearsFayette County: 41.2 yearsFranklin County: 33.9 yearsFulton County: 41.3 yearsGallia County: 41.6 yearsGeauga County: 45.3 yearsGreene County: 38 yearsGuernsey County: 43 yearsHamilton County: 36.9 yearsHancock County: 39.7 yearsHardin County: 37.2 yearsHarrison County: 46.3 yearsHenry County: 41.8 yearsHighland County: 41.2 yearsHocking County: 43.3 yearsHolmes County: 30.9 yearsHuron County: 40.6 yearsJackson County: 40.5 yearsJefferson County: 44.8 yearsKnox County: 39.5 yearsLake County: 44.4 yearsLawrence County: 42.7 yearsLicking County: 40.1 yearsLogan County: 42.5 yearsLorain County: 42.2 yearsLucas County: 38.6 yearsMadison County: 40.7 yearsMahoning County: 44.1 yearsMarion County: 41.3 yearsMedina County: 42.7 yearsMeigs County: 43.8 yearsMercer County: 39.1 yearsMiami County: 41.3 yearsMonroe County: 47 yearsMontgomery County: 39.5 yearsMorgan County: 45.1 yearsMorrow County: 42.4 yearsMuskingum County: 40.8 yearsNoble County: 41.9 yearsOttawa County: 49.2 yearsPaulding County: 41.3 yearsPerry County: 40.7 yearsPickaway County: 40 yearsPike County: 41.1 yearsPortage County: 39 yearsPreble County: 43.2 yearsPutnam County: 39.8 yearsRichland County: 41.7 yearsRoss County: 41.3 yearsSandusky County: 42.9 yearsScioto County: 41 yearsSeneca County: 40.2 yearsShelby County: 39.8 yearsStark County: 42.1 yearsSummit County: 41.3 yearsTrumbull County: 44.8 yearsTuscarawas County: 41.7 yearsUnion County: 37.8 yearsVan Wert County: 40.8 yearsVinton County: 43 yearsWarren County: 39.6 yearsWashington County: 44.3 yearsWayne County: 38.7 yearsWilliams County: 41.9 yearsWood County: 36.2 yearsWyandot County: 42.9 yearsAdair County: 38.6 yearsAlfalfa County: 44.4 yearsAtoka County: 41 yearsBeaver County: 41.9 yearsBeckham County: 36.8 yearsBlaine County: 42.1 yearsBryan County: 37 yearsCaddo County: 39.4 yearsCanadian County: 35.7 yearsCarter County: 40.3 yearsCherokee County: 36.4 yearsChoctaw County: 43.6 yearsCimarron County: 43.1 yearsCleveland County: 34.3 yearsCoal County: 43.2 yearsComanche County: 33.5 yearsCotton County: 43.4 yearsCraig County: 43 yearsCreek County: 40.6 yearsCuster County: 32.7 yearsDelaware County: 47.2 yearsDewey County: 40.1 yearsEllis County: 43.6 yearsGarfield County: 36.3 yearsGarvin County: 40.3 yearsGrady County: 39 yearsGrant County: 44.9 yearsGreer County: 40.3 yearsHarmon County: 41.9 yearsHarper County: 42.2 yearsHaskell County: 41.1 yearsHughes County: 39.9 yearsJackson County: 35 yearsJefferson County: 43 yearsJohnston County: 40.8 yearsKay County: 39.1 yearsKingfisher County: 37.8 yearsKiowa County: 44.1 yearsLatimer County: 42.9 yearsLe Flore County: 39.8 yearsLincoln County: 41.5 yearsLogan County: 37.9 yearsLove County: 41.9 yearsMcClain County: 38.9 yearsMcCurtain County: 39.5 yearsMcIntosh County: 48.8 yearsMajor County: 40.8 yearsMarshall County: 43.1 yearsMayes County: 40.7 yearsMurray County: 42.4 yearsMuskogee County: 39.4 yearsNoble County: 42 yearsNowata County: 42.8 yearsOkfuskee County: 42.1 yearsOklahoma County: 35 yearsOkmulgee County: 40.7 yearsOsage County: 43 yearsOttawa County: 39.9 yearsPawnee County: 42.8 yearsPayne County: 28.5 yearsPittsburg County: 41.7 yearsPontotoc County: 37.2 yearsPottawatomie County: 38 yearsPushmataha County: 44.4 yearsRoger Mills County: 41.8 yearsRogers County: 39.4 yearsSeminole County: 39.6 yearsSequoyah County: 41.5 yearsStephens County: 41.9 yearsTexas County: 31.8 yearsTillman County: 42.2 yearsTulsa County: 36 yearsWagoner County: 38.7 yearsWashington County: 40.2 yearsWashita County: 39.4 yearsWoods County: 34.6 yearsWoodward County: 37.6 yearsBaker County: 48.5 yearsBenton County: 32.7 yearsClackamas County: 41.4 yearsClatsop County: 44.2 yearsColumbia County: 43.1 yearsCoos County: 48.6 yearsCrook County: 47.2 yearsCurry County: 56.9 yearsDeschutes County: 42.3 yearsDouglas County: 47.9 yearsGilliam County: 49.2 yearsGrant County: 51.6 yearsHarney County: 44.8 yearsHood River County: 39.5 yearsJackson County: 42.8 yearsJefferson County: 41.8 yearsJosephine County: 48.2 yearsKlamath County: 43 yearsLake County: 47.5 yearsLane County: 40.1 yearsLincoln County: 52.2 yearsLinn County: 40.3 yearsMalheur County: 37.4 yearsMarion County: 36.6 yearsMorrow County: 37 yearsMultnomah County: 37.3 yearsPolk County: 38.2 yearsSherman County: 47.6 yearsTillamook County: 48.8 yearsUmatilla County: 37 yearsUnion County: 40 yearsWallowa County: 53.2 yearsWasco County: 42 yearsWashington County: 36.8 yearsWheeler County: 55.2 yearsYamhill County: 38.9 yearsAdams County: 44.2 yearsAllegheny County: 40.3 yearsArmstrong County: 47 yearsBeaver County: 45.6 yearsBedford County: 47 yearsBerks County: 40 yearsBlair County: 44 yearsBradford County: 44.3 yearsBucks County: 44.1 yearsButler County: 43.4 yearsCambria County: 45.7 yearsCameron County: 51.3 yearsCarbon County: 46.4 yearsCentre County: 30.7 yearsChester County: 40.2 yearsClarion County: 43 yearsClearfield County: 45.5 yearsClinton County: 40.9 yearsColumbia County: 41.6 yearsCrawford County: 43.8 yearsCumberland County: 40.7 yearsDauphin County: 39.7 yearsDelaware County: 39.2 yearsElk County: 47.7 yearsErie County: 40.1 yearsFayette County: 45.9 yearsForest County: 44.3 yearsFranklin County: 42 yearsFulton County: 45.3 yearsGreene County: 43 yearsHuntingdon County: 43.8 yearsIndiana County: 41 yearsJefferson County: 44.8 yearsJuniata County: 43 yearsLackawanna County: 42.6 yearsLancaster County: 38.9 yearsLawrence County: 45.5 yearsLebanon County: 41.7 yearsLehigh County: 39.6 yearsLuzerne County: 43.4 yearsLycoming County: 41.8 yearsMcKean County: 43.7 yearsMercer County: 44.8 yearsMifflin County: 44.1 yearsMonroe County: 42.9 yearsMontgomery County: 41.3 yearsMontour County: 43.4 yearsNorthampton County: 42.4 yearsNorthumberland County: 44.6 yearsPerry County: 43.4 yearsPhiladelphia County: 34.4 yearsPike County: 48.1 yearsPotter County: 47.9 yearsSchuylkill County: 45.4 yearsSnyder County: 40.2 yearsSomerset County: 46.6 yearsSullivan County: 52.6 yearsSusquehanna County: 48 yearsTioga County: 44.7 yearsUnion County: 39.1 yearsVenango County: 47 yearsWarren County: 47.4 yearsWashington County: 45 yearsWayne County: 48.5 yearsWestmoreland County: 47.3 yearsWyoming County: 45.1 yearsYork County: 41.3 yearsBristol County: 44.5 yearsKent County: 44.5 yearsNewport County: 45.1 yearsProvidence County: 37.6 yearsWashington County: 46.1 yearsAbbeville County: 44.4 yearsAiken County: 41.9 yearsAllendale County: 45.7 yearsAnderson County: 41 yearsBamberg County: 43.9 yearsBarnwell County: 42 yearsBeaufort County: 45.9 yearsBerkeley County: 36.4 yearsCalhoun County: 48.2 yearsCharleston County: 37.8 yearsCherokee County: 40.3 yearsChester County: 43.2 yearsChesterfield County: 42.6 yearsClarendon County: 46.1 yearsColleton County: 44.5 yearsDarlington County: 42.7 yearsDillon County: 40.5 yearsDorchester County: 37.6 yearsEdgefield County: 43.6 yearsFairfield County: 48.8 yearsFlorence County: 39.9 yearsGeorgetown County: 50.6 yearsGreenville County: 38.3 yearsGreenwood County: 39.9 yearsHampton County: 41.8 yearsHorry County: 47.2 yearsJasper County: 41.5 yearsKershaw County: 42.2 yearsLancaster County: 42.5 yearsLaurens County: 42 yearsLee County: 44.3 yearsLexington County: 39.4 yearsMcCormick County: 56.8 yearsMarion County: 43.5 yearsMarlboro County: 41.8 yearsNewberry County: 42.7 yearsOconee County: 46.4 yearsOrangeburg County: 41.5 yearsPickens County: 36.1 yearsRichland County: 35 yearsSaluda County: 43.4 yearsSpartanburg County: 38.7 yearsSumter County: 38.4 yearsUnion County: 45 yearsWilliamsburg County: 44.5 yearsYork County: 38.6 yearsAurora County: 41.6 yearsBeadle County: 37 yearsBennett County: 30.8 yearsBon Homme County: 43.1 yearsBrookings County: 29.1 yearsBrown County: 37.5 yearsBrule County: 43 yearsBuffalo County: 26.1 yearsButte County: 42.5 yearsCampbell County: 53.6 yearsCharles Mix County: 36.8 yearsClark County: 39.9 yearsClay County: 25.2 yearsCodington County: 38.7 yearsCorson County: 28.6 yearsCuster County: 56 yearsDavison County: 39.3 yearsDay County: 46.9 yearsDeuel County: 43.4 yearsDewey County: 31.1 yearsDouglas County: 48.5 yearsEdmunds County: 44.4 yearsFall River County: 54.1 yearsFaulk County: 45.9 yearsGrant County: 44.8 yearsGregory County: 47.7 yearsHaakon County: 43.2 yearsHamlin County: 36.2 yearsHand County: 47.6 yearsHanson County: 38.1 yearsHarding County: 42.1 yearsHughes County: 39.2 yearsHutchinson County: 43.1 yearsHyde County: 46.8 yearsJackson County: 32.5 yearsJerauld County: 49.1 yearsJones County: 45.9 yearsKingsbury County: 45.3 yearsLake County: 41.6 yearsLawrence County: 42.9 yearsLincoln County: 34.8 yearsLyman County: 35.4 yearsMcCook County: 41.5 yearsMcPherson County: 49 yearsMarshall County: 42.8 yearsMeade County: 36.1 yearsMellette County: 33.8 yearsMiner County: 45.7 yearsMinnehaha County: 35.4 yearsMoody County: 41.1 yearsOglala Lakota County: 25 yearsPennington County: 38 yearsPerkins County: 47.6 yearsPotter County: 52 yearsRoberts County: 38.9 yearsSanborn County: 39.6 yearsSpink County: 42.2 yearsStanley County: 41.8 yearsSully County: 47.1 yearsTodd County: 24.7 yearsTripp County: 43.6 yearsTurner County: 41.4 yearsUnion County: 41.3 yearsWalworth County: 43.6 yearsYankton County: 41.9 yearsZiebach County: 30.5 yearsAnderson County: 43.3 yearsBedford County: 37.7 yearsBenton County: 47.3 yearsBledsoe County: 43.1 yearsBlount County: 43.6 yearsBradley County: 39.3 yearsCampbell County: 44.4 yearsCannon County: 43.1 yearsCarroll County: 43.1 yearsCarter County: 45.1 yearsCheatham County: 41.8 yearsChester County: 38.4 yearsClaiborne County: 43.2 yearsClay County: 48.2 yearsCocke County: 46.2 yearsCoffee County: 40.6 yearsCrockett County: 41.2 yearsCumberland County: 52.5 yearsDavidson County: 33.8 yearsDecatur County: 47.1 yearsDeKalb County: 43.1 yearsDickson County: 40.6 yearsDyer County: 40 yearsFayette County: 46.7 yearsFentress County: 46.9 yearsFranklin County: 43 yearsGibson County: 40.6 yearsGiles County: 43.7 yearsGrainger County: 45.3 yearsGreene County: 44.5 yearsGrundy County: 44.1 yearsHamblen County: 40.4 yearsHamilton County: 39.1 yearsHancock County: 44.9 yearsHardeman County: 41.2 yearsHardin County: 46 yearsHawkins County: 45.5 yearsHaywood County: 42.2 yearsHenderson County: 41.9 yearsHenry County: 46.4 yearsHickman County: 41.8 yearsHouston County: 43.9 yearsHumphreys County: 43.3 yearsJackson County: 47.5 yearsJefferson County: 44.2 yearsJohnson County: 46.6 yearsKnox County: 37.6 yearsLake County: 41.6 yearsLauderdale County: 39.2 yearsLawrence County: 39.9 yearsLewis County: 43.6 yearsLincoln County: 43.2 yearsLoudon County: 48.9 yearsMcMinn County: 43.1 yearsMcNairy County: 44.1 yearsMacon County: 38.8 yearsMadison County: 39.4 yearsMarion County: 44.7 yearsMarshall County: 39.8 yearsMaury County: 39.1 yearsMeigs County: 45.1 yearsMonroe County: 44.5 yearsMontgomery County: 30.8 yearsMoore County: 45.3 yearsMorgan County: 42.7 yearsObion County: 43.4 yearsOverton County: 44.3 yearsPerry County: 44.4 yearsPickett County: 50.3 yearsPolk County: 46 yearsPutnam County: 36.3 yearsRhea County: 41.7 yearsRoane County: 47 yearsRobertson County: 39.2 yearsRutherford County: 34 yearsScott County: 39.9 yearsSequatchie County: 44 yearsSevier County: 43.5 yearsShelby County: 36.2 yearsSmith County: 41.2 yearsStewart County: 44.8 yearsSullivan County: 45.4 yearsSumner County: 39.3 yearsTipton County: 38.8 yearsTrousdale County: 38.5 yearsUnicoi County: 47.1 yearsUnion County: 42.6 yearsVan Buren County: 46.7 yearsWarren County: 41 yearsWashington County: 40.3 yearsWayne County: 43.7 yearsWeakley County: 38.7 yearsWhite County: 43.1 yearsWilliamson County: 38.9 yearsWilson County: 39.9 yearsAnderson County: 40.3 yearsAndrews County: 32.6 yearsAngelina County: 38.6 yearsAransas County: 52.5 yearsArcher County: 43.9 yearsArmstrong County: 43 yearsAtascosa County: 36.8 yearsAustin County: 42.5 yearsBailey County: 32.6 yearsBandera County: 53.1 yearsBastrop County: 38.7 yearsBaylor County: 44.9 yearsBee County: 37 yearsBell County: 32.2 yearsBexar County: 34.3 yearsBlanco County: 51.9 yearsBorden County: 45.7 yearsBosque County: 47.6 yearsBowie County: 39.3 yearsBrazoria County: 36.3 yearsBrazos County: 25.9 yearsBrewster County: 42 yearsBriscoe County: 47.6 yearsBrooks County: 36.8 yearsBrown County: 41.7 yearsBurleson County: 45.8 yearsBurnet County: 45.6 yearsCaldwell County: 36.2 yearsCalhoun County: 40.1 yearsCallahan County: 44.1 yearsCameron County: 33.3 yearsCamp County: 39.3 yearsCarson County: 41.1 yearsCass County: 45.5 yearsCastro County: 35.8 yearsChambers County: 36 yearsCherokee County: 39.3 yearsChildress County: 34.6 yearsClay County: 47.2 yearsCochran County: 36.6 yearsCoke County: 50.1 yearsColeman County: 49.2 yearsCollin County: 36.3 yearsCollingsworth County: 40.3 yearsColorado County: 45.5 yearsComal County: 43.4 yearsComanche County: 46.3 yearsConcho County: 42.2 yearsCooke County: 40 yearsCoryell County: 31.7 yearsCottle County: 45.6 yearsCrane County: 34.3 yearsCrockett County: 42.8 yearsCrosby County: 39.9 yearsCulberson County: 42.2 yearsDallam County: 31.8 yearsDallas County: 33.8 yearsDawson County: 37.5 yearsDeaf Smith County: 32.2 yearsDelta County: 44.4 yearsDenton County: 35 yearsDeWitt County: 42.6 yearsDickens County: 45.1 yearsDimmit County: 36.5 yearsDonley County: 44.5 yearsDuval County: 39.3 yearsEastland County: 43.2 yearsEctor County: 32.4 yearsEdwards County: 48.8 yearsEllis County: 36.4 yearsEl Paso County: 33.5 yearsErath County: 30.9 yearsFalls County: 41.3 yearsFannin County: 41.6 yearsFayette County: 48.6 yearsFisher County: 46.3 yearsFloyd County: 38.6 yearsFoard County: 50.3 yearsFort Bend County: 36.6 yearsFranklin County: 43.4 yearsFreestone County: 43.3 yearsFrio County: 32.5 yearsGaines County: 28.8 yearsGalveston County: 38.5 yearsGarza County: 39.2 yearsGillespie County: 52.5 yearsGlasscock County: 41.4 yearsGoliad County: 46.2 yearsGonzales County: 39.2 yearsGray County: 38.5 yearsGrayson County: 39.9 yearsGregg County: 37.2 yearsGrimes County: 42.5 yearsGuadalupe County: 37.2 yearsHale County: 35.3 yearsHall County: 44.9 yearsHamilton County: 47.3 yearsHansford County: 36.2 yearsHardeman County: 43.3 yearsHardin County: 39.5 yearsHarris County: 33.9 yearsHarrison County: 38.1 yearsHartley County: 39.1 yearsHaskell County: 42 yearsHays County: 31.6 yearsHemphill County: 37.9 yearsHenderson County: 44.9 yearsHidalgo County: 30.4 yearsHill County: 42.4 yearsHockley County: 36.2 yearsHood County: 47.5 yearsHopkins County: 39.7 yearsHouston County: 44.8 yearsHoward County: 37.8 yearsHudspeth County: 33.4 yearsHunt County: 37.8 yearsHutchinson County: 38.2 yearsIrion County: 45.6 yearsJack County: 39.9 yearsJackson County: 39.7 yearsJasper County: 42.6 yearsJeff Davis County: 57.6 yearsJefferson County: 37.1 yearsJim Hogg County: 37.7 yearsJim Wells County: 36.7 yearsJohnson County: 37.3 yearsJones County: 39.1 yearsKarnes County: 38.1 yearsKaufman County: 35.6 yearsKendall County: 44.5 yearsKenedy County: 35.9 yearsKent County: 53.4 yearsKerr County: 49.8 yearsKimble County: 52.6 yearsKing County: 38.4 yearsKinney County: 45.2 yearsKleberg County: 31.3 yearsKnox County: 42.5 yearsLamar County: 40.9 yearsLamb County: 37.3 yearsLampasas County: 43.9 yearsLa Salle County: 37.3 yearsLavaca County: 44.3 yearsLee County: 41.2 yearsLeon County: 47.8 yearsLiberty County: 36.4 yearsLimestone County: 41.4 yearsLipscomb County: 39.6 yearsLive Oak County: 44 yearsLlano County: 56.7 yearsLoving County: 36.5 yearsLubbock County: 32.4 yearsLynn County: 38.1 yearsMcCulloch County: 45.7 yearsMcLennan County: 34.4 yearsMcMullen County: 49 yearsMadison County: 35.9 yearsMarion County: 52.1 yearsMartin County: 34.6 yearsMason County: 51.8 yearsMatagorda County: 38.7 yearsMaverick County: 32.8 yearsMedina County: 40.4 yearsMenard County: 53.1 yearsMidland County: 32.9 yearsMilam County: 42.5 yearsMills County: 49.8 yearsMitchell County: 36.2 yearsMontague County: 44.8 yearsMontgomery County: 36.9 yearsMoore County: 31.9 yearsMorris County: 44.5 yearsMotley County: 51.4 yearsNacogdoches County: 32.8 yearsNavarro County: 38.2 yearsNewton County: 45.3 yearsNolan County: 39.3 yearsNueces County: 36.5 yearsOchiltree County: 33.5 yearsOldham County: 38 yearsOrange County: 39.1 yearsPalo Pinto County: 42.4 yearsPanola County: 41.8 yearsParker County: 39.6 yearsParmer County: 33.4 yearsPecos County: 37.1 yearsPolk County: 46.5 yearsPotter County: 35.6 yearsPresidio County: 41.4 yearsRains County: 47.2 yearsRandall County: 36.2 yearsReagan County: 34.2 yearsReal County: 54.9 yearsRed River County: 47.1 yearsReeves County: 36.8 yearsRefugio County: 43.8 yearsRoberts County: 40.8 yearsRobertson County: 41.5 yearsRockwall County: 37.7 yearsRunnels County: 44.8 yearsRusk County: 39.5 yearsSabine County: 52.8 yearsSan Augustine County: 50 yearsSan Jacinto County: 44.7 yearsSan Patricio County: 37.3 yearsSan Saba County: 43.2 yearsSchleicher County: 41 yearsScurry County: 36.6 yearsShackelford County: 43.9 yearsShelby County: 39.7 yearsSherman County: 35.5 yearsSmith County: 37.2 yearsSomervell County: 42.4 yearsStarr County: 31.2 yearsStephens County: 41 yearsSterling County: 40.8 yearsStonewall County: 53.3 yearsSutton County: 43.4 yearsSwisher County: 37.8 yearsTarrant County: 34.8 yearsTaylor County: 34.1 yearsTerrell County: 46.1 yearsTerry County: 35.2 yearsThrockmorton County: 50.1 yearsTitus County: 35.7 yearsTom Green County: 35.4 yearsTravis County: 33.6 yearsTrinity County: 50.1 yearsTyler County: 44.8 yearsUpshur County: 40.7 yearsUpton County: 37.5 yearsUvalde County: 36.7 yearsVal Verde County: 33.9 yearsVan Zandt County: 43.3 yearsVictoria County: 37.3 yearsWalker County: 36.4 yearsWaller County: 31.9 yearsWard County: 35.7 yearsWashington County: 41.9 yearsWebb County: 29.9 yearsWharton County: 39 yearsWheeler County: 41.9 yearsWichita County: 35.7 yearsWilbarger County: 39.3 yearsWillacy County: 35.5 yearsWilliamson County: 36.3 yearsWilson County: 40.9 yearsWinkler County: 34.3 yearsWise County: 39.5 yearsWood County: 49.7 yearsYoakum County: 34.8 yearsYoung County: 41.8 yearsZapata County: 32.1 yearsZavala County: 34 yearsBeaver County: 34.1 yearsBox Elder County: 32.9 yearsCache County: 25.9 yearsCarbon County: 38.1 yearsDaggett County: 47.6 yearsDavis County: 31 yearsDuchesne County: 32.4 yearsEmery County: 37.5 yearsGarfield County: 42.9 yearsGrand County: 40.6 yearsIron County: 28.7 yearsJuab County: 31 yearsKane County: 44.2 yearsMillard County: 35.8 yearsMorgan County: 33.1 yearsPiute County: 45.3 yearsRich County: 37 yearsSalt Lake County: 32.6 yearsSan Juan County: 33.3 yearsSanpete County: 32.6 yearsSevier County: 35.8 yearsSummit County: 39.8 yearsTooele County: 31.1 yearsUintah County: 31.2 yearsUtah County: 25.4 yearsWasatch County: 34.2 yearsWashington County: 36.8 yearsWayne County: 44.6 yearsWeber County: 32.6 yearsAddison County: 43.8 yearsBennington County: 47.6 yearsCaledonia County: 44.6 yearsChittenden County: 37.1 yearsEssex County: 50.7 yearsFranklin County: 41.1 yearsGrand Isle County: 49.3 yearsLamoille County: 41.9 yearsOrange County: 46.3 yearsOrleans County: 46.4 yearsRutland County: 47.6 yearsWashington County: 44.2 yearsWindham County: 47.2 yearsWindsor County: 48.2 yearsAccomack County: 47.2 yearsAlbemarle County: 38.6 yearsAlleghany County: 48.8 yearsAmelia County: 45.6 yearsAmherst County: 44.9 yearsAppomattox County: 42.9 yearsArlington County: 34 yearsAugusta County: 44.9 yearsBath County: 50.6 yearsBedford County: 46.8 yearsBland County: 47.6 yearsBotetourt County: 47.9 yearsBrunswick County: 45.7 yearsBuchanan County: 47 yearsBuckingham County: 44.1 yearsCampbell County: 42.9 yearsCaroline County: 39.9 yearsCarroll County: 48 yearsCharles City County: 51.4 yearsCharlotte County: 46.6 yearsChesterfield County: 38.9 yearsClarke County: 48 yearsCraig County: 47.5 yearsCulpeper County: 39.7 yearsCumberland County: 46 yearsDickenson County: 45.2 yearsDinwiddie County: 43.1 yearsEssex County: 47.7 yearsFairfax County: 38 yearsFauquier County: 41.8 yearsFloyd County: 46.7 yearsFluvanna County: 44.2 yearsFranklin County: 47.9 yearsFrederick County: 40.6 yearsGiles County: 45.4 yearsGloucester County: 45.3 yearsGoochland County: 49 yearsGrayson County: 48.9 yearsGreene County: 41.1 yearsGreensville County: 41.9 yearsHalifax County: 47.4 yearsHanover County: 43.1 yearsHenrico County: 38.8 yearsHenry County: 47.4 yearsHighland County: 57.6 yearsIsle of Wight County: 45.1 yearsJames City County: 47.1 yearsKing and Queen County: 48.3 yearsKing George County: 37.9 yearsKing William County: 41.2 yearsLancaster County: 58.1 yearsLee County: 44.2 yearsLoudoun County: 36.4 yearsLouisa County: 45.6 yearsLunenburg County: 45.8 yearsMadison County: 46 yearsMathews County: 53.9 yearsMecklenburg County: 49.4 yearsMiddlesex County: 54.3 yearsMontgomery County: 27.6 yearsNelson County: 51.3 yearsNew Kent County: 44.6 yearsNorthampton County: 51.1 yearsNorthumberland County: 58.1 yearsNottoway County: 43.4 yearsOrange County: 44.4 yearsPage County: 46.1 yearsPatrick County: 50 yearsPittsylvania County: 46.8 yearsPowhatan County: 44.9 yearsPrince Edward County: 34.9 yearsPrince George County: 34.6 yearsPrince William County: 35.3 yearsPulaski County: 46.7 yearsRappahannock County: 51.7 yearsRichmond County: 44.2 yearsRoanoke County: 44.4 yearsRockbridge County: 48.1 yearsRockingham County: 40.9 yearsRussell County: 46.5 yearsScott County: 47.5 yearsShenandoah County: 44.9 yearsSmyth County: 45.6 yearsSouthampton County: 47.7 yearsSpotsylvania County: 38.4 yearsStafford County: 35.9 yearsSurry County: 50.6 yearsSussex County: 43.8 yearsTazewell County: 45.5 yearsWarren County: 40.9 yearsWashington County: 46 yearsWestmoreland County: 49.7 yearsWise County: 42.3 yearsWythe County: 45.7 yearsYork County: 39.4 yearsAlexandria city: 36.3 yearsBristol city: 43.2 yearsBuena Vista city: 37.4 yearsCharlottesville city: 29.7 yearsChesapeake city: 37.6 yearsColonial Heights city: 41.6 yearsCovington city: 43.7 yearsDanville city: 43 yearsEmporia city: 39.9 yearsFairfax city: 39.4 yearsFalls Church city: 39.3 yearsFranklin city: 42.2 yearsFredericksburg city: 31.2 yearsGalax city: 43.9 yearsHampton city: 36.9 yearsHarrisonburg city: 24.2 yearsHopewell city: 37.7 yearsLexington city: 22.6 yearsLynchburg city: 30.4 yearsManassas city: 34.1 yearsManassas Park city: 32.6 yearsMartinsville city: 44.9 yearsNewport News city: 34.1 yearsNorfolk city: 31.3 yearsNorton city: 40.1 yearsPetersburg city: 40 yearsPoquoson city: 43.9 yearsPortsmouth city: 36.6 yearsRadford city: 23.5 yearsRichmond city: 32.3 yearsRoanoke city: 39.1 yearsSalem city: 41.6 yearsStaunton city: 41.8 yearsSuffolk city: 38.9 yearsVirginia Beach city: 36.6 yearsWaynesboro city: 40.1 yearsWilliamsburg city: 24.1 yearsWinchester city: 36.9 yearsAdams County: 29.7 yearsAsotin County: 44.8 yearsBenton County: 36.1 yearsChelan County: 40.9 yearsClallam County: 52.2 yearsClark County: 38.4 yearsColumbia County: 51.4 yearsCowlitz County: 41 yearsDouglas County: 37.8 yearsFerry County: 49.7 yearsFranklin County: 30.5 yearsGarfield County: 47.9 yearsGrant County: 33.7 yearsGrays Harbor County: 44.6 yearsIsland County: 45.5 yearsJefferson County: 59 yearsKing County: 36.9 yearsKitsap County: 39.5 yearsKittitas County: 36.3 yearsKlickitat County: 45.9 yearsLewis County: 42.8 yearsLincoln County: 48.6 yearsMason County: 46.1 yearsOkanogan County: 44.5 yearsPacific County: 53.3 yearsPend Oreille County: 51.7 yearsPierce County: 36.6 yearsSan Juan County: 55.8 yearsSkagit County: 42 yearsSkamania County: 46.2 yearsSnohomish County: 37.9 yearsSpokane County: 37.8 yearsStevens County: 47.9 yearsThurston County: 39.1 yearsWahkiakum County: 53.1 yearsWalla Walla County: 38.8 yearsWhatcom County: 37.7 yearsWhitman County: 25.6 yearsYakima County: 33.8 yearsBarbour County: 43.2 yearsBerkeley County: 38.5 yearsBoone County: 43.8 yearsBraxton County: 46.6 yearsBrooke County: 46.9 yearsCabell County: 39.3 yearsCalhoun County: 47.9 yearsClay County: 45 yearsDoddridge County: 41.9 yearsFayette County: 44.5 yearsGilmer County: 41.9 yearsGrant County: 47.3 yearsGreenbrier County: 47 yearsHampshire County: 46.5 yearsHancock County: 46.7 yearsHardy County: 45.5 yearsHarrison County: 42.9 yearsJackson County: 44.2 yearsJefferson County: 41.4 yearsKanawha County: 43.7 yearsLewis County: 44.4 yearsLincoln County: 43.4 yearsLogan County: 44 yearsMcDowell County: 44.2 yearsMarion County: 41.5 yearsMarshall County: 45.8 yearsMason County: 44.2 yearsMercer County: 43.8 yearsMineral County: 44.6 yearsMingo County: 44.2 yearsMonongalia County: 30.8 yearsMonroe County: 47.3 yearsMorgan County: 48 yearsNicholas County: 46.1 yearsOhio County: 43.3 yearsPendleton County: 52.3 yearsPleasants County: 43.9 yearsPocahontas County: 49.6 yearsPreston County: 42.9 yearsPutnam County: 42.1 yearsRaleigh County: 42.7 yearsRandolph County: 44.2 yearsRitchie County: 48 yearsRoane County: 45.6 yearsSummers County: 47.7 yearsTaylor County: 43.8 yearsTucker County: 49.2 yearsTyler County: 46.8 yearsUpshur County: 41.7 yearsWayne County: 43.5 yearsWebster County: 47.6 yearsWetzel County: 46.8 yearsWirt County: 46.3 yearsWood County: 43.6 yearsWyoming County: 44.6 yearsAdams County: 53.1 yearsAshland County: 42.2 yearsBarron County: 44.8 yearsBayfield County: 53.6 yearsBrown County: 37.5 yearsBuffalo County: 45.8 yearsBurnett County: 53.2 yearsCalumet County: 40.1 yearsChippewa County: 41.6 yearsClark County: 37.6 yearsColumbia County: 42.9 yearsCrawford County: 46.4 yearsDane County: 35.3 yearsDodge County: 42.9 yearsDoor County: 53.8 yearsDouglas County: 42 yearsDunn County: 35.5 yearsEau Claire County: 35.1 yearsFlorence County: 54.4 yearsFond du Lac County: 41.3 yearsForest County: 48.8 yearsGrant County: 36.7 yearsGreen County: 43.5 yearsGreen Lake County: 46.4 yearsIowa County: 43.7 yearsIron County: 56 yearsJackson County: 42.5 yearsJefferson County: 40.5 yearsJuneau County: 45.7 yearsKenosha County: 38.5 yearsKewaunee County: 43.9 yearsLa Crosse County: 36.5 yearsLafayette County: 40.7 yearsLanglade County: 49.1 yearsLincoln County: 48.3 yearsManitowoc County: 44.8 yearsMarathon County: 40.9 yearsMarinette County: 49 yearsMarquette County: 50 yearsMenominee County: 33.3 yearsMilwaukee County: 35 yearsMonroe County: 39.2 yearsOconto County: 47 yearsOneida County: 52 yearsOutagamie County: 38.4 yearsOzaukee County: 44.3 yearsPepin County: 46.4 yearsPierce County: 37.4 yearsPolk County: 46 yearsPortage County: 38 yearsPrice County: 52.3 yearsRacine County: 40.6 yearsRichland County: 45.1 yearsRock County: 39.7 yearsRusk County: 49.6 yearsSt. Croix County: 39.4 yearsSauk County: 41.4 yearsSawyer County: 51.8 yearsShawano County: 45.6 yearsSheboygan County: 41.6 yearsTaylor County: 42.8 yearsTrempealeau County: 40.1 yearsVernon County: 41.7 yearsVilas County: 56 yearsWalworth County: 40.3 yearsWashburn County: 51.9 yearsWashington County: 43.4 yearsWaukesha County: 43.5 yearsWaupaca County: 46.1 yearsWaushara County: 49.2 yearsWinnebago County: 38.7 yearsWood County: 44.4 yearsAlbany County: 28.2 yearsBig Horn County: 41 yearsCampbell County: 34.4 yearsCarbon County: 39.7 yearsConverse County: 40.2 yearsCrook County: 46.1 yearsFremont County: 39 yearsGoshen County: 44.1 yearsHot Springs County: 48.5 yearsJohnson County: 46.8 yearsLaramie County: 37.5 yearsLincoln County: 40.5 yearsNatrona County: 37.3 yearsNiobrara County: 44.6 yearsPark County: 45 yearsPlatte County: 48.9 yearsSheridan County: 42.7 yearsSublette County: 40.5 yearsSweetwater County: 35.8 yearsTeton County: 39.3 yearsUinta County: 36.5 yearsWashakie County: 44.1 yearsWeston County: 44.5 years

Boundaries: U.S. Census Bureau cartographic boundary files.