US counties by share of days with good air quality (US EPA AQI), 2012

Aleutians East Borough 100%, the highest of 1026 counties, 2012

Baldwin County: 71.1 %Clay County: 58.7 %Colbert County: 72.1 %DeKalb County: 72.6 %Elmore County: 86.5 %Etowah County: 70.8 %Houston County: 73.9 %Jefferson County: 19.1 %Lawrence County: 74.3 %Madison County: 63 %Mobile County: 74.3 %Montgomery County: 63.9 %Morgan County: 68.9 %Russell County: 60.9 %Shelby County: 65.4 %Talladega County: 44 %Tuscaloosa County: 79.9 %Aleutians East Borough: 100 %Anchorage Municipality: 72.1 %Denali Borough: 99.5 %Fairbanks North Star Borough: 58.5 %Juneau City and Borough: 76.5 %Kenai Peninsula Borough: 99.2 %Matanuska-Susitna Borough: 69.7 %Yukon-Koyukuk Census Area: 100 %Apache County: 98.6 %Cochise County: 52.5 %Coconino County: 62.8 %Gila County: 40.7 %La Paz County: 58.6 %Maricopa County: 9 %Mohave County: 96.7 %Navajo County: 66.9 %Pima County: 44.8 %Pinal County: 12.6 %Santa Cruz County: 65.9 %Yavapai County: 72.4 %Yuma County: 61.2 %Arkansas County: 43.7 %Ashley County: 47.1 %Clark County: 88.7 %Crittenden County: 66.7 %Faulkner County: 40 %Garland County: 42.6 %Jackson County: 51.3 %Newton County: 74 %Phillips County: 54.2 %Polk County: 63.4 %Pope County: 61.4 %Pulaski County: 21 %Union County: 42.1 %Washington County: 67.5 %Alameda County: 50.8 %Alpine County: 54.2 %Amador County: 70.8 %Butte County: 31.7 %Calaveras County: 58.2 %Colusa County: 35.5 %Contra Costa County: 75.7 %Del Norte County: 98.3 %El Dorado County: 57.9 %Fresno County: 12.3 %Glenn County: 60.9 %Humboldt County: 68.9 %Imperial County: 43.7 %Inyo County: 54.1 %Kern County: 10.7 %Kings County: 25.4 %Lake County: 92.8 %Los Angeles County: 3.8 %Madera County: 16.1 %Marin County: 69.4 %Mariposa County: 36.1 %Mendocino County: 77.6 %Merced County: 37.2 %Mono County: 89.1 %Monterey County: 77.9 %Napa County: 61.2 %Nevada County: 61.7 %Orange County: 20.5 %Placer County: 39.6 %Plumas County: 54 %Riverside County: 2.7 %Sacramento County: 41.5 %San Benito County: 74.3 %San Bernardino County: 5.5 %San Diego County: 7.1 %San Francisco County: 65.4 %San Joaquin County: 24 %San Luis Obispo County: 30.9 %San Mateo County: 63.7 %Santa Barbara County: 43.2 %Santa Clara County: 43.4 %Santa Cruz County: 89.9 %Shasta County: 69.9 %Siskiyou County: 89.5 %Solano County: 56.8 %Sonoma County: 65.6 %Stanislaus County: 26 %Sutter County: 43.4 %Tehama County: 50 %Trinity County: 45.5 %Tulare County: 17.2 %Tuolumne County: 67.6 %Ventura County: 31.7 %Yolo County: 54.9 %Adams County: 58.2 %Alamosa County: 90.2 %Arapahoe County: 54.5 %Archuleta County: 98.2 %Boulder County: 51.5 %Chaffee County: 47.8 %Clear Creek County: 8.7 %Delta County: 98.3 %Denver County: 40.2 %Douglas County: 54.9 %El Paso County: 56.8 %Fremont County: 98.2 %Garfield County: 38.8 %Gunnison County: 69.4 %Jackson County: 90.6 %Jefferson County: 54.9 %La Plata County: 59.6 %Larimer County: 43.7 %Mesa County: 51.9 %Moffat County: 73.7 %Montezuma County: 65 %Park County: 67.9 %Pitkin County: 96.7 %Prowers County: 93.4 %Pueblo County: 87.2 %Rio Blanco County: 47.8 %Routt County: 98 %San Juan County: 97.5 %San Miguel County: 78 %Summit County: 96.7 %Weld County: 53.6 %Kent County: 61.1 %New Castle County: 34.2 %Sussex County: 74 %District of Columbia: 21 %Alachua County: 75.8 %Baker County: 93.4 %Bay County: 65.3 %Brevard County: 59 %Broward County: 64.8 %Citrus County: 81.8 %Collier County: 69.6 %Columbia County: 73.2 %Duval County: 71.3 %Escambia County: 51.4 %Flagler County: 92.4 %Hamilton County: 54.5 %Highlands County: 95.7 %Hillsborough County: 37.2 %Holmes County: 66.9 %Indian River County: 90.5 %Lake County: 91.7 %Lee County: 71.6 %Leon County: 51.9 %Liberty County: 94.4 %Manatee County: 92.1 %Marion County: 57.1 %Martin County: 61.6 %Miami-Dade County: 39.3 %Okaloosa County: 91.3 %Orange County: 63.4 %Osceola County: 92.4 %Palm Beach County: 56 %Pasco County: 88.8 %Pinellas County: 53.6 %Polk County: 54.9 %Putnam County: 99.1 %St. Lucie County: 91.9 %Santa Rosa County: 56.6 %Sarasota County: 43.2 %Seminole County: 86.6 %Volusia County: 62.8 %Wakulla County: 89.3 %Bibb County: 33.9 %Charlton County: 81 %Chatham County: 48.6 %Chattooga County: 81.9 %Clarke County: 46.2 %Clayton County: 40.5 %Cobb County: 40.8 %Coffee County: 60 %Columbia County: 80.8 %Coweta County: 53 %Dawson County: 90.9 %DeKalb County: 23.8 %Dougherty County: 48.3 %Douglas County: 73.1 %Floyd County: 4.9 %Fulton County: 29.8 %Glynn County: 90.2 %Gwinnett County: 43.5 %Hall County: 36.9 %Henry County: 46.8 %Houston County: 35.2 %Lowndes County: 18.3 %Murray County: 79.5 %Muscogee County: 49.5 %Paulding County: 28.4 %Pike County: 79.6 %Richmond County: 42.3 %Rockdale County: 78.1 %Sumter County: 87.6 %Walker County: 31.3 %Washington County: 55.1 %Wilkinson County: 37.6 %Hawaii County: 5.5 %Honolulu County: 71 %Kauai County: 80.3 %Maui County: 86.5 %Ada County: 72.4 %Bannock County: 61.5 %Benewah County: 72.2 %Bonner County: 100 %Butte County: 80.2 %Canyon County: 84.5 %Custer County: 82.6 %Franklin County: 66.7 %Idaho County: 86.4 %Latah County: 86.2 %Lemhi County: 45.3 %Nez Perce County: 81.6 %Shoshone County: 54.4 %Twin Falls County: 83.9 %Adams County: 88.5 %Champaign County: 74.6 %Clark County: 70.4 %Cook County: 14.5 %DuPage County: 43.2 %Effingham County: 65.1 %Hamilton County: 55.1 %Jersey County: 56.6 %Jo Daviess County: 80.6 %Kane County: 84.7 %Lake County: 82 %McHenry County: 51.5 %McLean County: 75.5 %Macon County: 44.8 %Macoupin County: 78.1 %Madison County: 24.9 %Peoria County: 39.3 %Randolph County: 76.3 %Rock Island County: 92.2 %St. Clair County: 49.7 %Sangamon County: 78.1 %Will County: 84.4 %Winnebago County: 85.5 %Allen County: 25.1 %Boone County: 57.9 %Carroll County: 67 %Clark County: 32.6 %Delaware County: 52.5 %Dubois County: 40.7 %Elkhart County: 38.1 %Floyd County: 39.3 %Greene County: 45.2 %Hamilton County: 62.3 %Hancock County: 87.9 %Hendricks County: 67 %Henry County: 54.6 %Howard County: 54.5 %Huntington County: 77.8 %Jackson County: 83.8 %Johnson County: 59.9 %Knox County: 74.9 %Lake County: 20.5 %LaPorte County: 54.8 %Madison County: 41.5 %Marion County: 10.1 %Monroe County: 63.2 %Morgan County: 69.2 %Perry County: 52.5 %Porter County: 35 %Posey County: 73.9 %St. Joseph County: 30.9 %Shelby County: 51.9 %Spencer County: 46.2 %Tippecanoe County: 16.7 %Vanderburgh County: 27.9 %Vigo County: 35.2 %Wabash County: 74.9 %Warrick County: 53 %Whitley County: 58.3 %Black Hawk County: 44.2 %Bremer County: 74.2 %Cerro Gordo County: 96.6 %Clinton County: 19.1 %Delaware County: 60.5 %Harrison County: 63.7 %Johnson County: 32.5 %Lee County: 44.1 %Linn County: 43.4 %Montgomery County: 50.1 %Muscatine County: 33.9 %Palo Alto County: 55.5 %Polk County: 46.2 %Pottawattamie County: 42.1 %Scott County: 18.3 %Story County: 81.8 %Van Buren County: 50.3 %Warren County: 74.8 %Woodbury County: 56.1 %Chase County: 75.2 %Ford County: 99.7 %Johnson County: 66.8 %Leavenworth County: 74.4 %Linn County: 69.7 %Neosho County: 98.4 %Riley County: 77.3 %Sedgwick County: 57.4 %Shawnee County: 66.1 %Sherman County: 89.5 %Sumner County: 67.8 %Trego County: 69.7 %Wyandotte County: 32.1 %Bell County: 58.3 %Boone County: 73.1 %Boyd County: 60.4 %Bullitt County: 74.7 %Campbell County: 44.8 %Carter County: 73 %Christian County: 57 %Daviess County: 52.2 %Edmonson County: 72.4 %Fayette County: 39.9 %Greenup County: 66.7 %Hancock County: 68.9 %Hardin County: 55.7 %Henderson County: 51.9 %Jefferson County: 21 %Jessamine County: 74.1 %Livingston County: 61.6 %McCracken County: 51.8 %Madison County: 53.8 %Marshall County: 100 %Morgan County: 84.2 %Oldham County: 62.9 %Perry County: 35.5 %Pike County: 57.1 %Pulaski County: 69 %Simpson County: 80.3 %Trigg County: 78 %Warren County: 57.4 %Washington County: 76.9 %Ascension Parish: 86.1 %Bossier Parish: 54.2 %Caddo Parish: 64.5 %Calcasieu Parish: 54.4 %East Baton Rouge Parish: 36.1 %Iberville Parish: 70.5 %Jefferson Parish: 56.9 %Lafayette Parish: 39.9 %Lafourche Parish: 69.9 %Livingston Parish: 64 %Orleans Parish: 48.3 %Ouachita Parish: 19.4 %Pointe Coupee Parish: 77.8 %Rapides Parish: 17.1 %St. Bernard Parish: 33.4 %St. Charles Parish: 88.8 %St. James Parish: 93.2 %St. John the Baptist Parish: 79.1 %St. Tammany Parish: 60.4 %Tangipahoa Parish: 64.9 %Terrebonne Parish: 72.9 %West Baton Rouge Parish: 36.1 %Androscoggin County: 72.5 %Aroostook County: 88.3 %Cumberland County: 76 %Hancock County: 90.4 %Kennebec County: 96.4 %Knox County: 93.2 %Oxford County: 98.1 %Penobscot County: 80.3 %Sagadahoc County: 95.7 %Washington County: 98.5 %York County: 85.5 %Anne Arundel County: 55.7 %Baltimore County: 62.3 %Calvert County: 67.3 %Carroll County: 66.2 %Cecil County: 50 %Charles County: 72.4 %Dorchester County: 69.3 %Frederick County: 60.6 %Garrett County: 59.3 %Harford County: 42.5 %Kent County: 39.9 %Montgomery County: 45 %Prince George's County: 38.8 %Washington County: 44.8 %Baltimore city: 34.4 %Barnstable County: 86.4 %Berkshire County: 47.7 %Bristol County: 68 %Dukes County: 82.1 %Essex County: 56.3 %Hampden County: 48.9 %Hampshire County: 76.8 %Middlesex County: 88.8 %Norfolk County: 73.8 %Plymouth County: 67.8 %Suffolk County: 38.3 %Worcester County: 62.3 %Allegan County: 57.9 %Bay County: 69.7 %Benzie County: 72.5 %Berrien County: 58.2 %Cass County: 59.3 %Chippewa County: 73.3 %Clinton County: 67 %Genesee County: 64 %Huron County: 69.4 %Ingham County: 74.5 %Kalamazoo County: 53.5 %Kent County: 49.2 %Keweenaw County: 95 %Lenawee County: 51 %Macomb County: 58.4 %Manistee County: 68 %Mason County: 72 %Missaukee County: 78.2 %Monroe County: 47.6 %Muskegon County: 61.6 %Oakland County: 57.9 %Ottawa County: 58 %St. Clair County: 60.1 %Schoolcraft County: 83.3 %Tuscola County: 82.8 %Washtenaw County: 68.4 %Wayne County: 29.2 %Wexford County: 88.9 %Anoka County: 57.4 %Becker County: 73.8 %Carlton County: 95.5 %Cass County: 85 %Cook County: 87.7 %Crow Wing County: 72.5 %Dakota County: 65.6 %Goodhue County: 85.7 %Hennepin County: 59 %Lake County: 82.2 %Lyon County: 67.3 %Mille Lacs County: 95.5 %Olmsted County: 59.9 %Ramsey County: 56.3 %Rock County: 76.1 %St. Louis County: 76.5 %Scott County: 71.2 %Stearns County: 65.3 %Washington County: 52.2 %Winona County: 85 %Wright County: 67.2 %Bolivar County: 45.3 %DeSoto County: 44.1 %Forrest County: 43.6 %Hancock County: 86.4 %Harrison County: 52.2 %Hinds County: 39.9 %Jackson County: 84.5 %Jones County: 46.6 %Lauderdale County: 42.1 %Lee County: 45.4 %Yalobusha County: 90.7 %Andrew County: 63.1 %Boone County: 65.1 %Buchanan County: 41.5 %Callaway County: 65 %Cass County: 27.5 %Cedar County: 44.5 %Clay County: 44.8 %Clinton County: 57.5 %Greene County: 37.7 %Jackson County: 39.9 %Jasper County: 67.6 %Jefferson County: 42.9 %Lincoln County: 57 %Monroe County: 81.1 %Perry County: 57.9 %St. Charles County: 56.5 %Ste. Genevieve County: 60.2 %St. Louis County: 33.9 %Stoddard County: 68.4 %Taney County: 68.7 %St. Louis city: 20.5 %Cascade County: 64.2 %Fergus County: 94.9 %Flathead County: 70.5 %Gallatin County: 74.3 %Lake County: 93.3 %Lewis and Clark County: 63.4 %Lincoln County: 49.5 %Missoula County: 14.8 %Phillips County: 98 %Powder River County: 65.9 %Powell County: 85.6 %Ravalli County: 64.7 %Richland County: 62.5 %Roosevelt County: 96.1 %Rosebud County: 66 %Sanders County: 95 %Sheridan County: 93.5 %Silver Bow County: 62 %Yellowstone County: 83.7 %Cass County: 84.7 %Dawson County: 82 %Douglas County: 35 %Garden County: 96.7 %Hall County: 68.9 %Knox County: 74.4 %Lancaster County: 78.7 %Sarpy County: 47 %Scotts Bluff County: 59.5 %Thomas County: 88.5 %Washington County: 57.5 %Churchill County: 99.5 %Clark County: 18.6 %Douglas County: 87 %Elko County: 91.4 %Lyon County: 61.3 %Mineral County: 100 %Nye County: 93.2 %Washoe County: 33.9 %White Pine County: 64.1 %Carson City: 58.9 %Belknap County: 85.2 %Cheshire County: 70.8 %Coos County: 73.2 %Grafton County: 77.9 %Hillsborough County: 80.9 %Merrimack County: 73.6 %Rockingham County: 69.7 %Atlantic County: 69.1 %Bergen County: 74.9 %Camden County: 52.8 %Cumberland County: 66.3 %Essex County: 51.9 %Gloucester County: 64.3 %Hudson County: 47.5 %Hunterdon County: 55.9 %Mercer County: 56.3 %Middlesex County: 68.1 %Monmouth County: 80.1 %Morris County: 75.8 %Ocean County: 66.4 %Passaic County: 72.5 %Union County: 42.9 %Warren County: 55.8 %Bernalillo County: 18.3 %Catron County: 98.2 %Chaves County: 88.2 %Doña Ana County: 37.2 %Eddy County: 64.5 %Grant County: 88 %Lea County: 77.1 %Lincoln County: 93 %Los Alamos County: 100 %Luna County: 61.5 %McKinley County: 100 %Rio Arriba County: 100 %Sandoval County: 83.2 %San Juan County: 56 %Santa Fe County: 67.5 %Socorro County: 93.8 %Taos County: 97 %Valencia County: 66.4 %Albany County: 71.3 %Bronx County: 41.5 %Chautauqua County: 76.5 %Chemung County: 90.3 %Dutchess County: 91 %Erie County: 42.6 %Essex County: 80.9 %Franklin County: 99.7 %Hamilton County: 88.8 %Herkimer County: 94.7 %Jefferson County: 90.9 %Kings County: 48.5 %Madison County: 100 %Monroe County: 65.3 %Nassau County: 53.9 %New York County: 38 %Niagara County: 49.9 %Oneida County: 66.7 %Onondaga County: 85.5 %Orange County: 69.7 %Oswego County: 90.5 %Putnam County: 93 %Queens County: 51.9 %Rensselaer County: 93.4 %Richmond County: 49.3 %Rockland County: 68.6 %Saratoga County: 93.4 %Steuben County: 86.9 %Suffolk County: 63.8 %Tompkins County: 87.1 %Ulster County: 89 %Wayne County: 86 %Westchester County: 66.7 %Alamance County: 54 %Alexander County: 77 %Avery County: 84.3 %Buncombe County: 57.1 %Caldwell County: 85 %Carteret County: 95.6 %Caswell County: 45.9 %Catawba County: 45.4 %Chatham County: 82.9 %Cumberland County: 56.5 %Davidson County: 33.9 %Davie County: 70.6 %Duplin County: 36.9 %Durham County: 58.6 %Edgecombe County: 58.8 %Forsyth County: 44.5 %Franklin County: 80.7 %Gaston County: 43.5 %Graham County: 62.7 %Granville County: 77.6 %Guilford County: 47.5 %Haywood County: 51.5 %Hyde County: 87 %Jackson County: 58.9 %Johnston County: 77.2 %Lenoir County: 79 %Lincoln County: 66.7 %McDowell County: 53.5 %Macon County: 94.4 %Martin County: 66.2 %Mecklenburg County: 35 %Mitchell County: 62.7 %Montgomery County: 81.4 %New Hanover County: 70.5 %Person County: 80.7 %Pitt County: 76.4 %Robeson County: 61.5 %Rockingham County: 71 %Rowan County: 40.7 %Swain County: 58.3 %Union County: 77.1 %Wake County: 46.4 %Watauga County: 68.3 %Wayne County: 54.5 %Yancey County: 72.7 %Billings County: 94.1 %Burke County: 78.7 %Burleigh County: 77.3 %Cass County: 65.8 %Dunn County: 82.2 %McKenzie County: 69.2 %Mercer County: 82.2 %Oliver County: 84.2 %Adams County: 65.8 %Allen County: 65.3 %Ashtabula County: 70.4 %Athens County: 61.8 %Butler County: 50.7 %Clark County: 30.3 %Clermont County: 34.7 %Clinton County: 57.5 %Columbiana County: 100 %Cuyahoga County: 19.1 %Delaware County: 60.1 %Fayette County: 75.7 %Franklin County: 32 %Geauga County: 60.7 %Greene County: 38.3 %Hamilton County: 12.6 %Jefferson County: 28.4 %Knox County: 63.1 %Lake County: 43.2 %Lawrence County: 37.4 %Licking County: 59 %Lorain County: 60.4 %Lucas County: 39.6 %Madison County: 58.9 %Mahoning County: 39.3 %Medina County: 54.2 %Miami County: 61.5 %Montgomery County: 34.2 %Noble County: 73.7 %Portage County: 61 %Preble County: 39.3 %Scioto County: 82 %Stark County: 29.5 %Summit County: 42.1 %Trumbull County: 38.8 %Warren County: 19.4 %Washington County: 62.6 %Wood County: 67.8 %Adair County: 42.6 %Caddo County: 76.4 %Canadian County: 73.3 %Carter County: 37.6 %Cherokee County: 66.4 %Cleveland County: 32 %Comanche County: 40.9 %Cotton County: 66.3 %Creek County: 71.8 %Dewey County: 57.7 %Ellis County: 87 %Kay County: 35.6 %McClain County: 73.7 %McCurtain County: 82.9 %Mayes County: 65.8 %Muskogee County: 93.2 %Oklahoma County: 40.2 %Osage County: 83.1 %Ottawa County: 39.4 %Pittsburg County: 34.4 %Sequoyah County: 65.3 %Tulsa County: 24.9 %Baker County: 75.1 %Benton County: 86.2 %Clackamas County: 86.2 %Columbia County: 91.4 %Coos County: 97.8 %Crook County: 66.4 %Deschutes County: 76.8 %Douglas County: 84.5 %Grant County: 62.3 %Harney County: 61.4 %Jackson County: 53.6 %Jefferson County: 80 %Josephine County: 75.7 %Klamath County: 60 %Lake County: 68.9 %Lane County: 57.7 %Linn County: 77.9 %Marion County: 78.3 %Multnomah County: 71.9 %Umatilla County: 66.8 %Union County: 71.2 %Wallowa County: 83.2 %Wasco County: 80.5 %Washington County: 73.5 %Adams County: 43.8 %Allegheny County: 20.8 %Armstrong County: 48.1 %Beaver County: 28.1 %Berks County: 31.4 %Blair County: 38.1 %Bucks County: 37.5 %Cambria County: 39.6 %Centre County: 38.3 %Chester County: 47.9 %Clearfield County: 84.8 %Cumberland County: 37.8 %Dauphin County: 39.5 %Delaware County: 38.1 %Elk County: 83.7 %Erie County: 40.2 %Franklin County: 78 %Greene County: 69.9 %Indiana County: 77.7 %Lackawanna County: 58.2 %Lancaster County: 26.2 %Lawrence County: 83.6 %Lebanon County: 31.1 %Lehigh County: 85.1 %Luzerne County: 89.9 %Lycoming County: 86.8 %Mercer County: 33.9 %Monroe County: 62.7 %Montgomery County: 48.6 %Northampton County: 27 %Perry County: 86.9 %Philadelphia County: 19.7 %Somerset County: 85.8 %Tioga County: 85.2 %Washington County: 26.5 %Westmoreland County: 30.3 %York County: 32.8 %Kent County: 78.8 %Providence County: 52.7 %Washington County: 77.3 %Abbeville County: 82.9 %Aiken County: 95.1 %Anderson County: 82.8 %Berkeley County: 90.7 %Charleston County: 40.4 %Cherokee County: 65.1 %Chesterfield County: 70.9 %Colleton County: 59.1 %Darlington County: 86.4 %Edgefield County: 54.8 %Florence County: 52.7 %Georgetown County: 100 %Greenville County: 46.4 %Lexington County: 40.2 %Oconee County: 83.5 %Pickens County: 77.9 %Richland County: 48.4 %Spartanburg County: 39 %York County: 81.7 %Brookings County: 73 %Brown County: 69.9 %Codington County: 42.3 %Custer County: 72.5 %Jackson County: 86.1 %Meade County: 83.9 %Minnehaha County: 58.2 %Pennington County: 70.8 %Union County: 41.5 %Anderson County: 70.1 %Blount County: 68.3 %Bradley County: 100 %Claiborne County: 89 %Davidson County: 32.8 %DeKalb County: 85.9 %Hamilton County: 51.9 %Jefferson County: 62 %Knox County: 59.6 %Lawrence County: 52.5 %Loudon County: 70.4 %McMinn County: 100 %Meigs County: 68 %Montgomery County: 45.2 %Roane County: 14.8 %Rutherford County: 75.3 %Sevier County: 65.2 %Shelby County: 34.4 %Sullivan County: 80.6 %Sumner County: 58.4 %Union County: 97 %Williamson County: 75.8 %Wilson County: 69.7 %Bell County: 79.9 %Bexar County: 37.7 %Bowie County: 40.7 %Brazoria County: 77.3 %Brewster County: 67.7 %Cameron County: 47.3 %Collin County: 71.5 %Culberson County: 96.6 %Dallas County: 26.5 %Denton County: 49.5 %Ector County: 51.9 %Ellis County: 45.6 %El Paso County: 18.3 %Fayette County: 71.2 %Galveston County: 64.7 %Gregg County: 81.5 %Harris County: 13.9 %Harrison County: 43.4 %Hidalgo County: 46.2 %Hood County: 79.9 %Hunt County: 82.5 %Jefferson County: 41 %Johnson County: 80.2 %Kaufman County: 49.7 %Kleberg County: 57 %Lubbock County: 59.7 %McLennan County: 70.2 %Maverick County: 60.2 %Montgomery County: 51.8 %Navarro County: 56.3 %Nueces County: 58.2 %Orange County: 60.4 %Parker County: 79.1 %Polk County: 87.5 %Potter County: 79 %Randall County: 64.8 %Rockwall County: 79.2 %Smith County: 78.4 %Tarrant County: 31.1 %Travis County: 48.6 %Victoria County: 91.7 %Webb County: 44.8 %Wichita County: 77.9 %Box Elder County: 57.9 %Cache County: 47.3 %Carbon County: 63.3 %Daggett County: 43.4 %Davis County: 78.7 %Duchesne County: 56.3 %Garfield County: 83.9 %Salt Lake County: 41.3 %San Juan County: 65.2 %Tooele County: 61.5 %Uintah County: 42.9 %Utah County: 38.8 %Washington County: 62.3 %Wayne County: 95.8 %Weber County: 38 %Bennington County: 78.1 %Chittenden County: 83.9 %Rutland County: 51.9 %Windham County: 92.9 %Albemarle County: 66.1 %Arlington County: 71 %Caroline County: 75.1 %Carroll County: 100 %Charles City County: 82.5 %Chesterfield County: 70.3 %Culpeper County: 100 %Fairfax County: 52.2 %Fauquier County: 91 %Frederick County: 49.9 %Giles County: 81.9 %Hanover County: 76.9 %Henrico County: 56 %King William County: 100 %Loudoun County: 75.5 %Madison County: 70.7 %Page County: 65.7 %Prince Edward County: 89 %Prince William County: 82.5 %Roanoke County: 84.7 %Rockbridge County: 85.7 %Rockingham County: 72.8 %Stafford County: 73.8 %Warren County: 100 %Wythe County: 78.1 %Alexandria city: 81.1 %Bristol city: 55.7 %Fredericksburg city: 100 %Hampton city: 62.6 %Hopewell city: 100 %Lynchburg city: 72.2 %Norfolk city: 89.6 %Richmond city: 99.5 %Roanoke city: 55.7 %Salem city: 55.5 %Suffolk city: 79.4 %Virginia Beach city: 68.1 %Winchester city: 100 %Adams County: 90.2 %Asotin County: 60.2 %Benton County: 78.6 %Chelan County: 58.2 %Clallam County: 66.1 %Clark County: 71.9 %Columbia County: 86.3 %Cowlitz County: 86.6 %Franklin County: 86.4 %Grant County: 79.7 %Grays Harbor County: 87.2 %Jefferson County: 96 %King County: 49.5 %Kitsap County: 86.8 %Kittitas County: 72 %Klickitat County: 86.8 %Lewis County: 85.8 %Mason County: 76 %Okanogan County: 53.8 %Pierce County: 64.8 %Skagit County: 97.5 %Snohomish County: 68.3 %Spokane County: 57.9 %Stevens County: 59 %Thurston County: 75.1 %Walla Walla County: 82.1 %Whatcom County: 94 %Whitman County: 84.2 %Yakima County: 53.6 %Berkeley County: 57.9 %Brooke County: 77.1 %Cabell County: 57.1 %Gilmer County: 95.2 %Greenbrier County: 77.7 %Hancock County: 68.9 %Harrison County: 48.7 %Kanawha County: 59.3 %Marion County: 45.1 %Marshall County: 28 %Monongalia County: 64 %Ohio County: 53.6 %Raleigh County: 59.5 %Tucker County: 83.6 %Wood County: 55.7 %Ashland County: 92.9 %Barron County: 100 %Brown County: 57.4 %Chippewa County: 100 %Columbia County: 70 %Dane County: 44.5 %Dodge County: 52.7 %Door County: 76 %Eau Claire County: 69.3 %Fond du Lac County: 72.9 %Forest County: 84.1 %Grant County: 60.5 %Jackson County: 100 %Jefferson County: 67.4 %Kenosha County: 51.5 %Kewaunee County: 75.8 %La Crosse County: 57.3 %Manitowoc County: 74 %Marathon County: 85.1 %Milwaukee County: 44.8 %Monroe County: 100 %Outagamie County: 53 %Ozaukee County: 55.2 %Racine County: 67.4 %Rock County: 64.4 %Sauk County: 61.1 %Sheboygan County: 67.2 %Taylor County: 75.6 %Vilas County: 87.4 %Walworth County: 66.5 %Waukesha County: 34 %Albany County: 48.2 %Big Horn County: 97.8 %Campbell County: 35 %Carbon County: 76.3 %Converse County: 82.2 %Crook County: 40.5 %Fremont County: 58.5 %Johnson County: 92.3 %Laramie County: 61.5 %Lincoln County: 86.1 %Natrona County: 84.1 %Park County: 86.2 %Platte County: 93.4 %Sheridan County: 85.8 %Sublette County: 51.9 %Sweetwater County: 57.4 %Teton County: 68.9 %Uinta County: 69.4 %Weston County: 100 %

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