US counties by median Air Quality Index (US EPA), 2008

Kern County 107, the highest of 1050 counties, 2008

Baldwin County: 39 indexClay County: 53 indexColbert County: 45 indexDeKalb County: 44 indexElmore County: 42 indexEtowah County: 55 indexHouston County: 44 indexJefferson County: 70 indexLawrence County: 47 indexMadison County: 56 indexMobile County: 38 indexMontgomery County: 55 indexMorgan County: 47 indexRussell County: 58 indexShelby County: 48 indexSumter County: 31 indexTalladega County: 56 indexTuscaloosa County: 43 indexWalker County: 56 indexAleutians East Borough: 11 indexAnchorage Municipality: 22 indexDenali Borough: 31 indexFairbanks North Star Borough: 30 indexJuneau City and Borough: 23 indexKenai Peninsula Borough: 7 indexMatanuska-Susitna Borough: 20 indexYukon-Koyukuk Census Area: 7 indexApache County: 26 indexCochise County: 47 indexCoconino County: 48 indexGila County: 51 indexLa Paz County: 48 indexMaricopa County: 66 indexMohave County: 28 indexNavajo County: 47 indexPima County: 50 indexPinal County: 105 indexSanta Cruz County: 53 indexYavapai County: 33 indexYuma County: 46 indexArkansas County: 53 indexAshley County: 52 indexClark County: 31 indexCrittenden County: 42 indexFaulkner County: 54 indexGarland County: 52 indexJackson County: 53 indexNewton County: 39 indexPhillips County: 53 indexPolk County: 44 indexPope County: 53 indexPulaski County: 57 indexSebastian County: 52 indexUnion County: 53 indexWashington County: 38 indexWhite County: 51 indexAlameda County: 56 indexAmador County: 45 indexButte County: 55 indexCalaveras County: 45 indexColusa County: 52 indexContra Costa County: 44 indexDel Norte County: 17 indexEl Dorado County: 47 indexFresno County: 85 indexGlenn County: 52 indexHumboldt County: 29 indexImperial County: 54 indexInyo County: 49 indexKern County: 107 indexKings County: 81 indexLake County: 34 indexLos Angeles County: 84 indexMadera County: 45 indexMarin County: 31 indexMariposa County: 59 indexMendocino County: 31 indexMerced County: 54 indexMono County: 21 indexMonterey County: 37 indexNapa County: 55 indexNevada County: 52 indexOrange County: 67 indexPlacer County: 58 indexPlumas County: 55 indexRiverside County: 92 indexSacramento County: 63 indexSan Benito County: 46 indexSan Bernardino County: 84 indexSan Diego County: 74 indexSan Francisco County: 53 indexSan Joaquin County: 54 indexSan Luis Obispo County: 54 indexSan Mateo County: 49 indexSanta Barbara County: 47 indexSanta Clara County: 56 indexSanta Cruz County: 36 indexShasta County: 45 indexSiskiyou County: 35 indexSolano County: 57 indexSonoma County: 37 indexStanislaus County: 67 indexSutter County: 56 indexTehama County: 47 indexTrinity County: 19 indexTulare County: 97 indexTuolumne County: 45 indexVentura County: 53 indexYolo County: 47 indexAdams County: 49 indexAlamosa County: 21 indexArapahoe County: 39 indexArchuleta County: 19 indexBoulder County: 49 indexClear Creek County: 67 indexDelta County: 22 indexDenver County: 51 indexDouglas County: 46 indexElbert County: 23 indexEl Paso County: 45 indexFremont County: 14 indexGarfield County: 50 indexGunnison County: 44 indexJackson County: 12 indexJefferson County: 48 indexLa Plata County: 49 indexLarimer County: 50 indexMesa County: 50 indexMontezuma County: 46 indexPark County: 77 indexPitkin County: 16 indexProwers County: 23 indexPueblo County: 36 indexRoutt County: 21 indexSan Juan County: 11 indexSan Miguel County: 14 indexSummit County: 11 indexTeller County: 74 indexWeld County: 44 indexKent County: 51 indexNew Castle County: 57 indexSussex County: 52 indexDistrict of Columbia: 55 indexAlachua County: 36 indexBaker County: 34 indexBay County: 40 indexBrevard County: 48 indexBroward County: 51 indexCitrus County: 44 indexCollier County: 46 indexColumbia County: 55 indexDuval County: 53 indexEscambia County: 52 indexHamilton County: 53 indexHighlands County: 33 indexHillsborough County: 55 indexHolmes County: 53 indexIndian River County: 37 indexLake County: 47 indexLee County: 36 indexLeon County: 57 indexLiberty County: 33 indexManatee County: 41 indexMarion County: 47 indexMiami-Dade County: 53 indexOkaloosa County: 28 indexOrange County: 52 indexOsceola County: 33 indexPalm Beach County: 39 indexPasco County: 38 indexPinellas County: 53 indexPolk County: 49 indexPutnam County: 19 indexSt. Lucie County: 48 indexSanta Rosa County: 49 indexSarasota County: 46 indexSeminole County: 37 indexVolusia County: 50 indexWakulla County: 38 indexBibb County: 59 indexCharlton County: 39 indexChatham County: 54 indexChattooga County: 42 indexClarke County: 55 indexClayton County: 58 indexCobb County: 55 indexCoffee County: 47 indexColumbia County: 47 indexCoweta County: 55 indexDawson County: 44 indexDeKalb County: 60 indexDougherty County: 58 indexDouglas County: 45 indexFayette County: 44 indexFloyd County: 58 indexFulton County: 63 indexGlynn County: 41 indexGwinnett County: 56 indexHall County: 60 indexHenry County: 55 indexHouston County: 58 indexLowndes County: 60 indexMurray County: 48 indexMuscogee County: 56 indexPaulding County: 54 indexPike County: 41 indexRichmond County: 58 indexRockdale County: 36 indexSpalding County: 19 indexSumter County: 40 indexWalker County: 61 indexWalton County: 55 indexWashington County: 52 indexWilkinson County: 56 indexHawaii County: 75 indexHonolulu County: 24 indexMaui County: 19 indexAda County: 49 indexBannock County: 22 indexBenewah County: 37 indexBoise County: 48 indexBonner County: 12 indexBonneville County: 28 indexButte County: 44 indexCanyon County: 36 indexCuster County: 11 indexFranklin County: 28 indexIdaho County: 20 indexKootenai County: 41 indexLatah County: 18 indexLemhi County: 31 indexNez Perce County: 24 indexPower County: 36 indexShoshone County: 55 indexTwin Falls County: 34 indexValley County: 35 indexAdams County: 34 indexChampaign County: 39 indexClark County: 39 indexCook County: 70 indexDuPage County: 54 indexEffingham County: 38 indexHamilton County: 43 indexJackson County: 16 indexJersey County: 42 indexJo Daviess County: 36 indexKane County: 33 indexLake County: 35 indexLaSalle County: 51 indexMcHenry County: 48 indexMcLean County: 40 indexMacon County: 47 indexMacoupin County: 33 indexMadison County: 52 indexPeoria County: 54 indexRandolph County: 37 indexRock Island County: 35 indexSt. Clair County: 54 indexSangamon County: 36 indexWill County: 33 indexWinnebago County: 36 indexAllen County: 59 indexBoone County: 45 indexCarroll County: 42 indexClark County: 60 indexDelaware County: 45 indexDubois County: 57 indexElkhart County: 49 indexFloyd County: 60 indexGibson County: 53 indexGreene County: 47 indexHamilton County: 47 indexHancock County: 47 indexHendricks County: 30 indexHenry County: 54 indexHoward County: 54 indexHuntington County: 40 indexJackson County: 46 indexJohnson County: 46 indexKnox County: 42 indexLake County: 57 indexLaPorte County: 44 indexMadison County: 55 indexMarion County: 61 indexMorgan County: 47 indexPerry County: 43 indexPorter County: 55 indexPosey County: 44 indexSt. Joseph County: 44 indexShelby County: 46 indexSpencer County: 55 indexTippecanoe County: 55 indexVanderburgh County: 56 indexVigo County: 54 indexWabash County: 37 indexWarrick County: 45 indexWashington County: 52 indexWhitley County: 35 indexBlack Hawk County: 47 indexBremer County: 40 indexCerro Gordo County: 26 indexClinton County: 55 indexDelaware County: 51 indexHarrison County: 41 indexJohnson County: 51 indexLee County: 53 indexLinn County: 54 indexMontgomery County: 42 indexMuscatine County: 53 indexPalo Alto County: 36 indexPolk County: 52 indexPottawattamie County: 31 indexScott County: 57 indexStory County: 38 indexVan Buren County: 37 indexWarren County: 37 indexWoodbury County: 47 indexWright County: 44 indexBrown County: 41 indexChase County: 36 indexFord County: 17 indexJohnson County: 40 indexLeavenworth County: 35 indexLinn County: 40 indexMontgomery County: 17 indexNeosho County: 20 indexRiley County: 38 indexSedgwick County: 41 indexShawnee County: 40 indexSherman County: 19 indexSumner County: 41 indexTrego County: 40 indexWyandotte County: 54 indexBell County: 50 indexBoone County: 40 indexBoyd County: 53 indexBullitt County: 48 indexCampbell County: 54 indexCarter County: 48 indexChristian County: 49 indexDaviess County: 53 indexEdmonson County: 44 indexFayette County: 52 indexFranklin County: 54 indexGreenup County: 43 indexHancock County: 44 indexHardin County: 51 indexHenderson County: 49 indexJefferson County: 59 indexJessamine County: 46 indexKenton County: 50 indexLivingston County: 42 indexMcCracken County: 51 indexMadison County: 50 indexMarshall County: 14 indexMorgan County: 41 indexOhio County: 47 indexOldham County: 44 indexPerry County: 46 indexPike County: 48 indexPulaski County: 44 indexSimpson County: 45 indexTrigg County: 44 indexWarren County: 52 indexWashington County: 41 indexAscension Parish: 36 indexBossier Parish: 49 indexCaddo Parish: 42 indexCalcasieu Parish: 52 indexEast Baton Rouge Parish: 55 indexIberville Parish: 42 indexJefferson Parish: 52 indexLafayette Parish: 39 indexLafourche Parish: 51 indexLivingston Parish: 51 indexOrleans Parish: 50 indexOuachita Parish: 34 indexPointe Coupee Parish: 37 indexRapides Parish: 48 indexSt. Bernard Parish: 54 indexSt. Charles Parish: 32 indexSt. James Parish: 33 indexSt. John the Baptist Parish: 32 indexSt. Tammany Parish: 52 indexTangipahoa Parish: 51 indexTerrebonne Parish: 43 indexWest Baton Rouge Parish: 55 indexWinn Parish: 44 indexAndroscoggin County: 35 indexAroostook County: 37 indexCumberland County: 34 indexHancock County: 36 indexKennebec County: 34 indexKnox County: 35 indexOxford County: 30 indexPenobscot County: 33 indexSagadahoc County: 36 indexWashington County: 32 indexYork County: 35 indexAnne Arundel County: 51 indexBaltimore County: 56 indexCalvert County: 45 indexCarroll County: 43 indexCecil County: 55 indexCharles County: 45 indexDorchester County: 39 indexFrederick County: 44 indexGarrett County: 41 indexHarford County: 49 indexKent County: 45 indexMontgomery County: 49 indexPrince George's County: 51 indexWashington County: 47 indexWorcester County: 47 indexBaltimore city: 58 indexBarnstable County: 43 indexBerkshire County: 47 indexBristol County: 44 indexDukes County: 44 indexEssex County: 49 indexHampden County: 51 indexHampshire County: 53 indexMiddlesex County: 35 indexNorfolk County: 44 indexPlymouth County: 47 indexSuffolk County: 58 indexWorcester County: 47 indexAllegan County: 46 indexBay County: 38 indexBenzie County: 42 indexBerrien County: 46 indexCass County: 44 indexChippewa County: 54 indexClinton County: 42 indexGenesee County: 45 indexHuron County: 39 indexIngham County: 44 indexKalamazoo County: 48 indexKent County: 52 indexKeweenaw County: 16 indexLeelanau County: 40 indexLenawee County: 48 indexMacomb County: 46 indexManistee County: 41 indexMason County: 44 indexMissaukee County: 41 indexMonroe County: 54 indexMuskegon County: 45 indexOakland County: 45 indexOttawa County: 51 indexSt. Clair County: 43 indexSchoolcraft County: 32 indexTuscola County: 35 indexWashtenaw County: 39 indexWayne County: 55 indexWexford County: 34 indexAnoka County: 49 indexBecker County: 37 indexCarlton County: 32 indexCass County: 21 indexCook County: 11 indexCrow Wing County: 42 indexDakota County: 46 indexGoodhue County: 42 indexHennepin County: 52 indexLake County: 31 indexLyon County: 50 indexMille Lacs County: 36 indexOlmsted County: 53 indexRamsey County: 47 indexRock County: 37 indexSt. Louis County: 47 indexScott County: 43 indexStearns County: 43 indexWashington County: 42 indexWinona County: 39 indexWright County: 51 indexAdams County: 44 indexBolivar County: 54 indexDeSoto County: 54 indexForrest County: 56 indexGrenada County: 52 indexHarrison County: 54 indexHinds County: 54 indexJackson County: 55 indexJones County: 57 indexLauderdale County: 54 indexLee County: 52 indexLowndes County: 54 indexWebster County: 34 indexYalobusha County: 35 indexBuchanan County: 65 indexCass County: 45 indexCedar County: 54 indexClay County: 52 indexClinton County: 43 indexGreene County: 42 indexJackson County: 54 indexJasper County: 19 indexJefferson County: 55 indexLincoln County: 44 indexMonroe County: 40 indexPerry County: 46 indexSt. Charles County: 41 indexSte. Genevieve County: 43 indexSt. Louis County: 58 indexStoddard County: 49 indexTaney County: 37 indexSt. Louis city: 59 indexBig Horn County: 25 indexCascade County: 17 indexFergus County: 13 indexFlathead County: 47 indexGallatin County: 34 indexJefferson County: 13 indexLake County: 13 indexLewis and Clark County: 34 indexLincoln County: 53 indexMissoula County: 26 indexPowell County: 12 indexRavalli County: 35 indexRichland County: 31 indexRoosevelt County: 19 indexRosebud County: 17 indexSanders County: 29 indexSheridan County: 21 indexSilver Bow County: 38 indexYellowstone County: 21 indexCass County: 24 indexDawson County: 24 indexDouglas County: 68 indexGarden County: 20 indexHall County: 36 indexKnox County: 34 indexLancaster County: 29 indexSarpy County: 49 indexScotts Bluff County: 32 indexSioux County: 50 indexThomas County: 16 indexThurston County: 38 indexWashington County: 44 indexChurchill County: 40 indexClark County: 61 indexDouglas County: 11 indexElko County: 13 indexLyon County: 44 indexMineral County: 13 indexNye County: 21 indexWashoe County: 48 indexWhite Pine County: 46 indexCarson City: 41 indexBelknap County: 38 indexCheshire County: 42 indexCoos County: 42 indexGrafton County: 33 indexHillsborough County: 39 indexMerrimack County: 41 indexRockingham County: 33 indexSullivan County: 36 indexAtlantic County: 46 indexBergen County: 59 indexBurlington County: 5 indexCamden County: 54 indexCumberland County: 53 indexEssex County: 34 indexGloucester County: 41 indexHudson County: 62 indexHunterdon County: 48 indexMercer County: 52 indexMiddlesex County: 49 indexMonmouth County: 35 indexMorris County: 40 indexOcean County: 47 indexPassaic County: 43 indexUnion County: 57 indexWarren County: 49 indexBernalillo County: 59 indexCatron County: 14 indexChaves County: 29 indexDoña Ana County: 59 indexEddy County: 44 indexGrant County: 40 indexLea County: 43 indexLincoln County: 18 indexLos Alamos County: 16 indexLuna County: 38 indexMcKinley County: 14 indexRio Arriba County: 14 indexSandoval County: 51 indexSan Juan County: 49 indexSanta Fe County: 43 indexSocorro County: 17 indexTaos County: 22 indexValencia County: 19 indexAlbany County: 52 indexBronx County: 58 indexChautauqua County: 41 indexChemung County: 33 indexDutchess County: 33 indexErie County: 57 indexEssex County: 43 indexFranklin County: 23 indexHamilton County: 34 indexHerkimer County: 33 indexJefferson County: 33 indexKings County: 54 indexMadison County: 34 indexMonroe County: 47 indexNassau County: 53 indexNew York County: 60 indexNiagara County: 53 indexOneida County: 50 indexOnondaga County: 35 indexOrange County: 49 indexOswego County: 35 indexPutnam County: 34 indexQueens County: 56 indexRensselaer County: 34 indexRichmond County: 53 indexSt. Lawrence County: 26 indexSaratoga County: 33 indexSchenectady County: 27 indexSteuben County: 44 indexSuffolk County: 43 indexTompkins County: 34 indexUlster County: 33 indexWayne County: 36 indexWestchester County: 48 indexAlamance County: 56 indexAlexander County: 46 indexAvery County: 44 indexBuncombe County: 53 indexCaldwell County: 48 indexCarteret County: 33 indexCaswell County: 54 indexCatawba County: 59 indexChatham County: 45 indexCumberland County: 56 indexDavidson County: 57 indexDavie County: 48 indexDuplin County: 52 indexDurham County: 56 indexEdgecombe County: 49 indexForsyth County: 58 indexFranklin County: 45 indexGaston County: 56 indexGraham County: 47 indexGranville County: 48 indexGuilford County: 57 indexHaywood County: 55 indexHenderson County: 15 indexHyde County: 43 indexJackson County: 53 indexJohnston County: 45 indexLenoir County: 47 indexLincoln County: 47 indexMcDowell County: 56 indexMacon County: 31 indexMartin County: 52 indexMecklenburg County: 59 indexMitchell County: 52 indexMontgomery County: 44 indexNew Hanover County: 41 indexOrange County: 55 indexPerson County: 45 indexPitt County: 49 indexRobeson County: 54 indexRockingham County: 47 indexRowan County: 58 indexSwain County: 55 indexUnion County: 47 indexWake County: 56 indexWatauga County: 49 indexWayne County: 55 indexYancey County: 50 indexBillings County: 37 indexBurke County: 35 indexBurleigh County: 35 indexCass County: 36 indexDunn County: 34 indexMcKenzie County: 36 indexMcLean County: 3 indexMercer County: 36 indexOliver County: 35 indexAllen County: 42 indexAshtabula County: 44 indexAthens County: 40 indexButler County: 47 indexClark County: 51 indexClermont County: 50 indexClinton County: 47 indexColumbiana County: 21 indexCrawford County: 36 indexCuyahoga County: 47 indexDelaware County: 46 indexFayette County: 37 indexFranklin County: 47 indexGeauga County: 44 indexGreene County: 50 indexHamilton County: 55 indexHancock County: 20 indexJefferson County: 49 indexKnox County: 44 indexLake County: 38 indexLawrence County: 55 indexLicking County: 45 indexLorain County: 44 indexLucas County: 56 indexMadison County: 45 indexMahoning County: 56 indexMedina County: 48 indexMiami County: 44 indexMontgomery County: 57 indexNoble County: 41 indexPortage County: 43 indexPreble County: 49 indexScioto County: 54 indexStark County: 44 indexSummit County: 44 indexTrumbull County: 46 indexWarren County: 52 indexWashington County: 45 indexWood County: 43 indexAdair County: 38 indexCaddo County: 41 indexCanadian County: 38 indexCarter County: 45 indexCherokee County: 37 indexCleveland County: 37 indexComanche County: 41 indexCotton County: 45 indexCreek County: 39 indexDewey County: 40 indexEllis County: 28 indexKay County: 40 indexLincoln County: 37 indexMcClain County: 38 indexMayes County: 41 indexMuskogee County: 26 indexOklahoma County: 46 indexOttawa County: 51 indexPittsburg County: 40 indexSequoyah County: 37 indexTulsa County: 56 indexBaker County: 41 indexBenton County: 23 indexClackamas County: 31 indexColumbia County: 32 indexCrook County: 77 indexDeschutes County: 24 indexDouglas County: 36 indexGrant County: 40 indexHarney County: 51 indexJackson County: 49 indexJefferson County: 54 indexJosephine County: 42 indexKlamath County: 59 indexLake County: 33 indexLane County: 53 indexLinn County: 45 indexMarion County: 34 indexMultnomah County: 43 indexUmatilla County: 42 indexUnion County: 39 indexWallowa County: 29 indexWasco County: 26 indexWashington County: 33 indexYamhill County: 23 indexAdams County: 53 indexAllegheny County: 68 indexArmstrong County: 44 indexBeaver County: 43 indexBerks County: 41 indexBlair County: 33 indexBucks County: 41 indexCambria County: 39 indexCentre County: 52 indexChester County: 51 indexClearfield County: 44 indexCumberland County: 55 indexDauphin County: 55 indexDelaware County: 43 indexElk County: 36 indexErie County: 52 indexFranklin County: 43 indexGreene County: 44 indexIndiana County: 31 indexLackawanna County: 49 indexLancaster County: 43 indexLawrence County: 35 indexLehigh County: 32 indexLuzerne County: 31 indexLycoming County: 39 indexMercer County: 53 indexMonroe County: 39 indexMontgomery County: 42 indexNorthampton County: 55 indexPerry County: 31 indexPhiladelphia County: 60 indexSomerset County: 35 indexTioga County: 41 indexWashington County: 54 indexWestmoreland County: 41 indexYork County: 43 indexKent County: 39 indexProvidence County: 49 indexWashington County: 44 indexAbbeville County: 46 indexAiken County: 44 indexAnderson County: 38 indexBerkeley County: 36 indexCharleston County: 55 indexCherokee County: 41 indexChesterfield County: 43 indexColleton County: 37 indexDarlington County: 45 indexEdgefield County: 41 indexFlorence County: 55 indexGeorgetown County: 25 indexGreenville County: 59 indexLexington County: 52 indexOconee County: 43 indexPickens County: 45 indexRichland County: 56 indexSpartanburg County: 57 indexYork County: 44 indexBrookings County: 38 indexBrown County: 38 indexCodington County: 24 indexCuster County: 40 indexJackson County: 34 indexMeade County: 39 indexMinnehaha County: 39 indexPennington County: 32 indexAnderson County: 46 indexBlount County: 47 indexBradley County: 17 indexClaiborne County: 39 indexDavidson County: 57 indexDeKalb County: 39 indexHamilton County: 58 indexHaywood County: 43 indexJefferson County: 48 indexKnox County: 50 indexLawrence County: 55 indexLoudon County: 49 indexMcMinn County: 20 indexMadison County: 14 indexMeigs County: 48 indexMontgomery County: 56 indexPutnam County: 30 indexRoane County: 25 indexRutherford County: 45 indexSevier County: 49 indexShelby County: 60 indexSullivan County: 39 indexSumner County: 48 indexUnion County: 24 indexWilliamson County: 45 indexWilson County: 46 indexBexar County: 54 indexBowie County: 52 indexBrazoria County: 35 indexBrewster County: 43 indexCameron County: 53 indexCollin County: 41 indexCulberson County: 23 indexDallas County: 55 indexDenton County: 51 indexEctor County: 44 indexEllis County: 53 indexEl Paso County: 64 indexFayette County: 48 indexGalveston County: 47 indexGregg County: 34 indexHarris County: 64 indexHarrison County: 51 indexHays County: 34 indexHidalgo County: 54 indexHood County: 35 indexHunt County: 36 indexJeff Davis County: 29 indexJefferson County: 55 indexJohnson County: 38 indexKaufman County: 51 indexKleberg County: 51 indexLubbock County: 34 indexMcLennan County: 49 indexMaverick County: 43 indexMontgomery County: 52 indexNueces County: 52 indexOrange County: 51 indexParker County: 40 indexPolk County: 34 indexPotter County: 33 indexRandall County: 41 indexRockwall County: 37 indexSmith County: 38 indexTarrant County: 56 indexTravis County: 52 indexVictoria County: 31 indexWebb County: 53 indexWichita County: 38 indexBox Elder County: 50 indexCache County: 56 indexDavis County: 46 indexGarfield County: 13 indexSalt Lake County: 58 indexSan Juan County: 48 indexTooele County: 52 indexUintah County: 51 indexUtah County: 58 indexWashington County: 48 indexWayne County: 14 indexWeber County: 56 indexBennington County: 39 indexChittenden County: 42 indexRutland County: 48 indexWindham County: 13 indexAlbemarle County: 46 indexArlington County: 42 indexCaroline County: 43 indexCarroll County: 12 indexCharles City County: 41 indexChesterfield County: 48 indexCulpeper County: 14 indexFairfax County: 53 indexFauquier County: 40 indexFrederick County: 44 indexGiles County: 43 indexHanover County: 44 indexHenrico County: 52 indexKing William County: 16 indexLoudoun County: 40 indexMadison County: 44 indexPage County: 46 indexPrince Edward County: 35 indexPrince William County: 31 indexRoanoke County: 34 indexRockbridge County: 43 indexRockingham County: 40 indexStafford County: 40 indexWarren County: 16 indexWythe County: 45 indexAlexandria city: 35 indexBristol city: 54 indexFredericksburg city: 14 indexHampton city: 38 indexHopewell city: 18 indexLynchburg city: 51 indexNorfolk city: 26 indexRichmond city: 25 indexRoanoke city: 54 indexSalem city: 53 indexSuffolk city: 47 indexVirginia Beach city: 51 indexWinchester city: 16 indexAdams County: 29 indexAsotin County: 40 indexBenton County: 36 indexChelan County: 43 indexClallam County: 44 indexClark County: 40 indexColumbia County: 26 indexCowlitz County: 24 indexFranklin County: 29 indexGrant County: 34 indexGrays Harbor County: 38 indexJefferson County: 32 indexKing County: 52 indexKitsap County: 29 indexKittitas County: 28 indexKlickitat County: 27 indexLewis County: 7 indexMason County: 36 indexOkanogan County: 41 indexPend Oreille County: 16 indexPierce County: 46 indexSkagit County: 31 indexSnohomish County: 48 indexSpokane County: 46 indexStevens County: 49 indexThurston County: 38 indexWalla Walla County: 33 indexWhatcom County: 31 indexWhitman County: 28 indexYakima County: 48 indexBerkeley County: 48 indexBrooke County: 22 indexCabell County: 49 indexGilmer County: 34 indexGreenbrier County: 44 indexHancock County: 42 indexHarrison County: 56 indexKanawha County: 44 indexMarion County: 59 indexMarshall County: 57 indexMonongalia County: 46 indexOhio County: 49 indexRaleigh County: 53 indexTucker County: 37 indexWood County: 50 indexAshland County: 32 indexBrown County: 53 indexColumbia County: 42 indexDane County: 54 indexDodge County: 40 indexDoor County: 40 indexFlorence County: 37 indexFond du Lac County: 40 indexForest County: 37 indexGrant County: 56 indexJefferson County: 41 indexKenosha County: 46 indexKewaunee County: 39 indexLa Crosse County: 41 indexManitowoc County: 42 indexMarathon County: 39 indexMilwaukee County: 42 indexOneida County: 39 indexOutagamie County: 43 indexOzaukee County: 43 indexRacine County: 39 indexRock County: 42 indexSt. Croix County: 38 indexSauk County: 39 indexSheboygan County: 42 indexTaylor County: 38 indexVernon County: 40 indexVilas County: 37 indexWalworth County: 42 indexWashington County: 38 indexWaukesha County: 36 indexAlbany County: 50 indexCampbell County: 51 indexCarbon County: 44 indexConverse County: 33 indexCrook County: 45 indexFremont County: 44 indexJohnson County: 8 indexLaramie County: 22 indexLincoln County: 18 indexNatrona County: 14 indexPark County: 18 indexPlatte County: 18 indexSheridan County: 24 indexSublette County: 49 indexSweetwater County: 47 indexTeton County: 42 indexUinta County: 42 index

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