US counties by share of days with good air quality (US EPA AQI), 2015

Aleutians East Borough 100%, the highest of 1021 counties, 2015

Baldwin County: 77.7 %Clay County: 65.2 %Colbert County: 78.9 %DeKalb County: 81 %Elmore County: 95.7 %Etowah County: 36.2 %Houston County: 85.2 %Jefferson County: 29 %Lawrence County: 80.7 %Madison County: 79.6 %Mobile County: 52.9 %Montgomery County: 37.6 %Morgan County: 66 %Russell County: 32.6 %Shelby County: 80.5 %Sumter County: 53.8 %Talladega County: 43.9 %Tuscaloosa County: 26.3 %Aleutians East Borough: 100 %Anchorage Municipality: 72.3 %Denali Borough: 97.8 %Fairbanks North Star Borough: 34 %Juneau City and Borough: 74.6 %Kenai Peninsula Borough: 100 %Matanuska-Susitna Borough: 73.7 %Yukon-Koyukuk Census Area: 96.4 %Apache County: 100 %Cochise County: 74.5 %Coconino County: 70.7 %Gila County: 70.7 %La Paz County: 75.8 %Maricopa County: 17 %Mohave County: 96.2 %Navajo County: 86.6 %Pima County: 64.7 %Pinal County: 23.6 %Santa Cruz County: 71.5 %Yavapai County: 78.3 %Yuma County: 69 %Arkansas County: 56 %Ashley County: 67.2 %Clark County: 95.3 %Crittenden County: 77.5 %Garland County: 64.2 %Jackson County: 64.7 %Newton County: 90.1 %Polk County: 79.2 %Pulaski County: 41.4 %Union County: 61.3 %Washington County: 85.8 %Alameda County: 40 %Alpine County: 3.2 %Amador County: 77.7 %Butte County: 37.8 %Calaveras County: 59.2 %Colusa County: 38.6 %Contra Costa County: 52.9 %Del Norte County: 88.6 %El Dorado County: 65.2 %Fresno County: 10.4 %Glenn County: 60.5 %Humboldt County: 66 %Imperial County: 13.4 %Inyo County: 52.3 %Kern County: 6.3 %Kings County: 19.7 %Lake County: 96.7 %Los Angeles County: 0.8 %Madera County: 21.4 %Marin County: 61.9 %Mariposa County: 60.3 %Mendocino County: 58.4 %Merced County: 29.3 %Mono County: 87.1 %Monterey County: 78.1 %Napa County: 43.3 %Nevada County: 58.5 %Orange County: 15.6 %Placer County: 49 %Plumas County: 39.4 %Riverside County: 5.2 %Sacramento County: 27.7 %San Benito County: 83 %San Bernardino County: 3.8 %San Diego County: 12.6 %San Francisco County: 67.4 %San Joaquin County: 22.7 %San Luis Obispo County: 26 %San Mateo County: 81.4 %Santa Barbara County: 46 %Santa Clara County: 49 %Santa Cruz County: 77.3 %Shasta County: 69 %Siskiyou County: 91.2 %Solano County: 51 %Sonoma County: 80.3 %Stanislaus County: 25.2 %Sutter County: 43 %Tehama County: 61.1 %Trinity County: 98.5 %Tulare County: 7.9 %Tuolumne County: 72.5 %Ventura County: 32.6 %Yolo County: 50.7 %Adams County: 72.9 %Alamosa County: 97.8 %Arapahoe County: 71.2 %Archuleta County: 98.3 %Boulder County: 69.3 %Chaffee County: 65 %Clear Creek County: 61.7 %Delta County: 99.1 %Denver County: 32.6 %Douglas County: 68.5 %El Paso County: 77.5 %Fremont County: 100 %Garfield County: 71.2 %Grand County: 92.2 %Gunnison County: 77.5 %Jackson County: 95 %Jefferson County: 66.8 %La Plata County: 74.2 %Larimer County: 48.5 %Mesa County: 61.6 %Moffat County: 97.2 %Montezuma County: 77.3 %Park County: 75.4 %Pitkin County: 97.6 %Prowers County: 96.6 %Pueblo County: 93 %Rio Blanco County: 68.2 %Routt County: 98.1 %San Juan County: 99.2 %San Miguel County: 79.7 %Weld County: 61.4 %Kent County: 67.1 %New Castle County: 46.6 %Sussex County: 63.3 %District of Columbia: 38.4 %Alachua County: 79.7 %Baker County: 97.8 %Bay County: 69.6 %Brevard County: 84.7 %Broward County: 78.4 %Citrus County: 85.2 %Collier County: 76.9 %Columbia County: 77.6 %Duval County: 66 %Escambia County: 58.1 %Flagler County: 98.6 %Hamilton County: 67.5 %Highlands County: 96.9 %Hillsborough County: 44.1 %Holmes County: 65.1 %Indian River County: 96.1 %Lake County: 95.3 %Lee County: 75.6 %Leon County: 47.7 %Liberty County: 98 %Manatee County: 92.1 %Marion County: 75.3 %Martin County: 77 %Miami-Dade County: 55.1 %Nassau County: 69.2 %Okaloosa County: 97 %Orange County: 65.5 %Osceola County: 96.6 %Palm Beach County: 67.7 %Pasco County: 94 %Pinellas County: 69.6 %Polk County: 67.9 %Putnam County: 100 %St. Lucie County: 97.4 %Santa Rosa County: 65.2 %Sarasota County: 62.2 %Seminole County: 92.5 %Volusia County: 80.8 %Wakulla County: 69.2 %Bibb County: 52.6 %Charlton County: 89.9 %Chatham County: 65.2 %Chattooga County: 90.6 %Clarke County: 64 %Clayton County: 48.8 %Cobb County: 50.7 %Coffee County: 76.7 %Columbia County: 93.4 %Coweta County: 66 %Dawson County: 93.4 %DeKalb County: 30.4 %Dougherty County: 42.7 %Douglas County: 88 %Floyd County: 45.9 %Fulton County: 31 %Glynn County: 78 %Gwinnett County: 58.9 %Hall County: 30.7 %Henry County: 65.9 %Houston County: 55.6 %Lowndes County: 46.5 %Murray County: 87.9 %Muscogee County: 59.6 %Paulding County: 47.7 %Pike County: 89.9 %Richmond County: 58.2 %Rockdale County: 87.6 %Sumter County: 96.3 %Walker County: 47.9 %Washington County: 63 %Wilkinson County: 49.6 %Hawaii County: 3.3 %Honolulu County: 77.5 %Kauai County: 96.1 %Maui County: 84.9 %Ada County: 75.6 %Bannock County: 80.8 %Benewah County: 33.7 %Blaine County: 95 %Boise County: 70.5 %Bonner County: 80.3 %Bonneville County: 88.5 %Butte County: 90.3 %Canyon County: 72 %Custer County: 96.6 %Franklin County: 85.1 %Idaho County: 76.2 %Jerome County: 90.9 %Kootenai County: 69.8 %Latah County: 87.2 %Lemhi County: 49.6 %Nez Perce County: 79.7 %Shoshone County: 42.7 %Twin Falls County: 86.2 %Valley County: 86.6 %Adams County: 90.2 %Champaign County: 59.5 %Clark County: 86.7 %Cook County: 20 %DuPage County: 75.7 %Effingham County: 90.6 %Hamilton County: 77.8 %Jersey County: 79.2 %Jo Daviess County: 94.5 %Kane County: 79.6 %Lake County: 91.7 %McHenry County: 47.5 %McLean County: 83.7 %Macon County: 62.5 %Macoupin County: 91.5 %Madison County: 53.2 %Peoria County: 55.1 %Randolph County: 77 %Rock Island County: 84.4 %St. Clair County: 56.2 %Sangamon County: 83.7 %Will County: 42 %Winnebago County: 82.9 %Allen County: 49.6 %Bartholomew County: 48.8 %Boone County: 81.8 %Brown County: 91.7 %Carroll County: 84.7 %Clark County: 44 %Delaware County: 78.4 %Dubois County: 53.3 %Elkhart County: 49 %Floyd County: 41.3 %Greene County: 69.1 %Hamilton County: 59.2 %Hancock County: 90.2 %Hendricks County: 97.8 %Henry County: 63.6 %Howard County: 29.2 %Huntington County: 98.3 %Jackson County: 84.4 %Johnson County: 88.3 %Knox County: 90 %Lake County: 38.6 %LaPorte County: 72.8 %Madison County: 55.6 %Marion County: 35.3 %Monroe County: 67.5 %Montgomery County: 27.1 %Morgan County: 89 %Perry County: 80.3 %Porter County: 56.4 %Posey County: 85.2 %St. Joseph County: 42 %Shelby County: 90.7 %Spencer County: 54.8 %Tippecanoe County: 49.1 %Vanderburgh County: 38.9 %Vigo County: 45.6 %Wabash County: 92.2 %Warrick County: 78.1 %Whitley County: 47.4 %Black Hawk County: 23.2 %Bremer County: 93.5 %Cerro Gordo County: 98.6 %Clinton County: 31.2 %Delaware County: 67.8 %Harrison County: 89.3 %Johnson County: 54.2 %Lee County: 68.6 %Linn County: 53.4 %Montgomery County: 63.3 %Muscatine County: 50.1 %Palo Alto County: 52.1 %Polk County: 69 %Pottawattamie County: 66.4 %Scott County: 17.8 %Story County: 94.8 %Van Buren County: 59.5 %Warren County: 95.3 %Woodbury County: 74.4 %Chase County: 81.5 %Ford County: 98.2 %Johnson County: 84.7 %Leavenworth County: 95.1 %Neosho County: 85.4 %Sedgwick County: 77 %Shawnee County: 85.5 %Sherman County: 98.3 %Sumner County: 81.9 %Trego County: 83 %Wyandotte County: 40.8 %Bell County: 87 %Boone County: 90.6 %Boyd County: 53.4 %Bullitt County: 88.8 %Campbell County: 47.8 %Carter County: 85.7 %Christian County: 72.6 %Daviess County: 46.6 %Edmonson County: 87.9 %Fayette County: 68.7 %Greenup County: 91.7 %Hancock County: 82.9 %Hardin County: 47.9 %Henderson County: 55.3 %Jefferson County: 31 %Jessamine County: 87.3 %Livingston County: 87.3 %McCracken County: 53.7 %Madison County: 71.4 %Morgan County: 91.4 %Oldham County: 85.9 %Perry County: 70.9 %Pike County: 41.9 %Pulaski County: 80.2 %Simpson County: 86.1 %Trigg County: 92.4 %Warren County: 71.1 %Washington County: 92.5 %Ascension Parish: 89.8 %Bossier Parish: 56.6 %Caddo Parish: 74.2 %Calcasieu Parish: 40.8 %East Baton Rouge Parish: 24.4 %Iberville Parish: 83 %Jefferson Parish: 61.9 %Lafayette Parish: 45.8 %Lafourche Parish: 75.9 %Livingston Parish: 40 %Orleans Parish: 62.7 %Ouachita Parish: 85.4 %Pointe Coupee Parish: 92.6 %Rapides Parish: 73.7 %St. Bernard Parish: 44.9 %St. James Parish: 94.2 %St. John the Baptist Parish: 93.4 %St. Martin Parish: 90.8 %St. Tammany Parish: 68.2 %Tangipahoa Parish: 73.7 %Terrebonne Parish: 77.9 %West Baton Rouge Parish: 58.9 %Androscoggin County: 65.9 %Aroostook County: 61.9 %Cumberland County: 63.8 %Franklin County: 98 %Hancock County: 86.3 %Kennebec County: 91.1 %Knox County: 92.1 %Oxford County: 73.2 %Penobscot County: 69.8 %Sagadahoc County: 97.5 %Washington County: 95.5 %York County: 90.7 %Anne Arundel County: 67 %Baltimore County: 66.3 %Calvert County: 70.4 %Carroll County: 76.1 %Cecil County: 50.3 %Charles County: 72.2 %Dorchester County: 63.8 %Frederick County: 76.6 %Garrett County: 71.5 %Harford County: 55.3 %Howard County: 63.3 %Kent County: 54.2 %Montgomery County: 46.4 %Prince George's County: 35.1 %Washington County: 48.1 %Baltimore city: 43.6 %Barnstable County: 91.2 %Berkshire County: 59.7 %Bristol County: 71.2 %Dukes County: 90.4 %Essex County: 69.9 %Franklin County: 63.8 %Hampden County: 63.3 %Hampshire County: 81.7 %Middlesex County: 95.3 %Norfolk County: 78.6 %Plymouth County: 67.8 %Suffolk County: 38.6 %Worcester County: 72.9 %Allegan County: 69.5 %Bay County: 60.9 %Benzie County: 87.4 %Berrien County: 65.8 %Cass County: 78.3 %Chippewa County: 62.6 %Clinton County: 88.5 %Genesee County: 56.9 %Huron County: 89 %Ingham County: 58.8 %Kalamazoo County: 57.4 %Kent County: 55.3 %Keweenaw County: 94.1 %Lenawee County: 57.8 %Macomb County: 65.6 %Manistee County: 83.5 %Mason County: 86.9 %Missaukee County: 75.3 %Monroe County: 58.5 %Muskegon County: 79 %Oakland County: 69.6 %Ottawa County: 82.6 %St. Clair County: 54.5 %Schoolcraft County: 85.4 %Tuscola County: 94.4 %Washtenaw County: 52.1 %Wayne County: 24.1 %Wexford County: 93.8 %Anoka County: 76.2 %Becker County: 81.8 %Beltrami County: 90.1 %Carlton County: 86.5 %Cook County: 96.1 %Crow Wing County: 81.9 %Dakota County: 72.3 %Goodhue County: 94.4 %Hennepin County: 42.5 %Lake County: 91 %Lyon County: 84.9 %Mille Lacs County: 96 %Olmsted County: 75.1 %Ramsey County: 58.9 %Rock County: 84 %St. Louis County: 79.2 %Scott County: 90.9 %Stearns County: 86.2 %Washington County: 55.6 %Winona County: 90 %Wright County: 84.3 %Bolivar County: 92.2 %DeSoto County: 59.2 %Forrest County: 50 %Grenada County: 83.6 %Hancock County: 76.8 %Harrison County: 61.4 %Hinds County: 35.9 %Jackson County: 80.2 %Lauderdale County: 97.9 %Lee County: 97 %Yalobusha County: 98.8 %Andrew County: 86.4 %Boone County: 92.1 %Buchanan County: 49.2 %Callaway County: 86.9 %Cass County: 61.3 %Cedar County: 70.2 %Clay County: 59.9 %Clinton County: 78 %Greene County: 65.4 %Jackson County: 54.8 %Jasper County: 84.1 %Jefferson County: 38.9 %Lincoln County: 87.9 %Monroe County: 97.3 %Perry County: 83.2 %St. Charles County: 81.3 %Ste. Genevieve County: 86.4 %St. Louis County: 47.1 %Stoddard County: 73.1 %Taney County: 89.7 %St. Louis city: 33.4 %Cascade County: 78.1 %Fergus County: 89.9 %Flathead County: 59.2 %Gallatin County: 77.8 %Lake County: 91.7 %Lewis and Clark County: 69.6 %Lincoln County: 46 %Missoula County: 34.5 %Phillips County: 87.1 %Powder River County: 76.5 %Powell County: 92.5 %Ravalli County: 76.4 %Richland County: 81.9 %Roosevelt County: 93.1 %Rosebud County: 75.1 %Sanders County: 92.8 %Sheridan County: 94.8 %Silver Bow County: 65.5 %Yellowstone County: 80 %Cass County: 87.5 %Dawson County: 96.6 %Douglas County: 54.2 %Garden County: 95 %Hall County: 85.2 %Knox County: 92.5 %Lancaster County: 84.3 %Sarpy County: 60.5 %Scotts Bluff County: 88.8 %Thomas County: 94.9 %Washington County: 81 %Churchill County: 80.1 %Clark County: 24.7 %Douglas County: 66.6 %Elko County: 87.5 %Lyon County: 75.3 %Nye County: 97.8 %Washoe County: 45.2 %White Pine County: 82.1 %Carson City: 73.4 %Belknap County: 94.4 %Cheshire County: 61.4 %Coos County: 80.5 %Grafton County: 77.3 %Hillsborough County: 79.2 %Merrimack County: 97.8 %Rockingham County: 55.3 %Atlantic County: 83.6 %Bergen County: 39.5 %Camden County: 46.6 %Cumberland County: 87.6 %Essex County: 77.5 %Gloucester County: 66.9 %Hudson County: 53.4 %Hunterdon County: 77.1 %Mercer County: 57.5 %Middlesex County: 77.1 %Monmouth County: 80.1 %Morris County: 83.3 %Ocean County: 66.9 %Passaic County: 73.5 %Union County: 40 %Warren County: 82.1 %Bernalillo County: 45.5 %Catron County: 99.1 %Chaves County: 93.9 %Doña Ana County: 29.9 %Eddy County: 73.6 %Lea County: 77 %Lincoln County: 98.2 %Los Alamos County: 100 %Luna County: 98.9 %Rio Arriba County: 82.8 %Sandoval County: 82.1 %San Juan County: 72.1 %Santa Fe County: 84.4 %Socorro County: 98.1 %Taos County: 98.6 %Valencia County: 81.7 %Albany County: 68.8 %Bronx County: 48.5 %Chautauqua County: 80.1 %Dutchess County: 94.1 %Erie County: 42.7 %Essex County: 88.5 %Franklin County: 95.2 %Hamilton County: 95.3 %Herkimer County: 97.5 %Jefferson County: 94.8 %Kings County: 61.9 %Monroe County: 64.7 %Nassau County: 70.7 %New York County: 42.7 %Niagara County: 91 %Oneida County: 72.1 %Onondaga County: 75 %Orange County: 70.1 %Oswego County: 96.9 %Putnam County: 92.5 %Queens County: 55.1 %Richmond County: 49 %Rockland County: 68.2 %Saratoga County: 95.3 %Steuben County: 81 %Suffolk County: 66 %Tompkins County: 94.6 %Wayne County: 96.4 %Westchester County: 63.3 %Alamance County: 67.3 %Alexander County: 82.8 %Avery County: 86.7 %Buncombe County: 70.5 %Caldwell County: 83.6 %Carteret County: 94.3 %Caswell County: 59.2 %Catawba County: 48.1 %Chatham County: 92.9 %Cumberland County: 67.2 %Davidson County: 35.5 %Duplin County: 81.9 %Durham County: 56.3 %Edgecombe County: 71.8 %Forsyth County: 52.9 %Franklin County: 81 %Gaston County: 80.6 %Graham County: 80.6 %Granville County: 78.1 %Guilford County: 59.3 %Haywood County: 68.8 %Hyde County: 88.3 %Jackson County: 72 %Johnston County: 80.5 %Lee County: 49.2 %Lenoir County: 88.5 %Lincoln County: 76 %McDowell County: 65.3 %Macon County: 95.2 %Martin County: 71.8 %Mecklenburg County: 47.4 %Mitchell County: 73.3 %Montgomery County: 64.9 %New Hanover County: 81.4 %Person County: 79.1 %Pitt County: 82.2 %Rockingham County: 76.6 %Rowan County: 46.4 %Swain County: 67.8 %Union County: 73.2 %Wake County: 38.9 %Watauga County: 83.2 %Wayne County: 32 %Yancey County: 70.8 %Billings County: 83 %Burke County: 79.7 %Burleigh County: 82.5 %Cass County: 64.4 %Dunn County: 80.8 %McKenzie County: 86.5 %Mercer County: 81.4 %Oliver County: 83.6 %Stutsman County: 96.1 %Williams County: 84.3 %Adams County: 82.7 %Allen County: 78.9 %Ashtabula County: 80 %Athens County: 63.2 %Belmont County: 88 %Butler County: 65.8 %Clark County: 50.1 %Clermont County: 45.7 %Clinton County: 85 %Columbiana County: 100 %Cuyahoga County: 49.9 %Delaware County: 87.4 %Fayette County: 89.9 %Franklin County: 45.5 %Geauga County: 76.6 %Greene County: 58.4 %Hamilton County: 32.6 %Jefferson County: 27.7 %Knox County: 84.8 %Lake County: 49.6 %Lawrence County: 51.2 %Licking County: 83.1 %Lorain County: 79.1 %Lucas County: 54.8 %Madison County: 80.4 %Mahoning County: 52.9 %Medina County: 36.4 %Miami County: 83.1 %Montgomery County: 53.4 %Noble County: 82.2 %Portage County: 81.2 %Preble County: 63.8 %Scioto County: 87.4 %Stark County: 56.7 %Summit County: 26.3 %Trumbull County: 72.7 %Warren County: 58.1 %Washington County: 84.6 %Wood County: 88.7 %Adair County: 65.8 %Caddo County: 96.6 %Canadian County: 85.2 %Cherokee County: 92.1 %Cleveland County: 60.4 %Comanche County: 67.9 %Cotton County: 86.1 %Creek County: 92.3 %Custer County: 100 %Dewey County: 73.6 %Ellis County: 87.2 %Johnston County: 89.3 %Kay County: 38.4 %Lincoln County: 71.7 %Love County: 76 %McClain County: 89.7 %Mayes County: 92.3 %Muskogee County: 96.7 %Oklahoma County: 59.7 %Ottawa County: 51.1 %Pittsburg County: 71.2 %Sequoyah County: 83.3 %Tulsa County: 44.7 %Baker County: 78.1 %Benton County: 86 %Clackamas County: 85.6 %Columbia County: 85.8 %Crook County: 69.6 %Deschutes County: 80.8 %Douglas County: 80 %Grant County: 59.2 %Harney County: 65.8 %Jackson County: 52.3 %Jefferson County: 65.2 %Josephine County: 66 %Klamath County: 58.4 %Lake County: 74 %Lane County: 58.4 %Linn County: 74.5 %Marion County: 73.2 %Multnomah County: 75.9 %Umatilla County: 67.4 %Union County: 70.2 %Wallowa County: 79.4 %Wasco County: 83.8 %Washington County: 69.6 %Adams County: 48.2 %Allegheny County: 28.8 %Armstrong County: 38.7 %Beaver County: 47.7 %Berks County: 40.5 %Blair County: 46 %Bradford County: 96.4 %Bucks County: 42.8 %Cambria County: 35.6 %Centre County: 55.9 %Chester County: 36.4 %Clearfield County: 86.9 %Cumberland County: 36.6 %Dauphin County: 32.9 %Delaware County: 32.9 %Elk County: 93.4 %Erie County: 60.5 %Franklin County: 94.7 %Greene County: 83.1 %Indiana County: 82.6 %Lackawanna County: 48.2 %Lancaster County: 33.2 %Lawrence County: 91 %Lebanon County: 47.7 %Lehigh County: 87.4 %Luzerne County: 90.1 %Lycoming County: 93.7 %Mercer County: 43.6 %Monroe County: 66.8 %Montgomery County: 56.4 %Northampton County: 34 %Philadelphia County: 28.2 %Somerset County: 94.8 %Tioga County: 61.4 %Washington County: 27.4 %Westmoreland County: 46 %York County: 37 %Kent County: 79 %Providence County: 47.4 %Washington County: 73.4 %Abbeville County: 98.1 %Aiken County: 95.5 %Anderson County: 92.5 %Berkeley County: 98.6 %Charleston County: 70.1 %Cherokee County: 86.8 %Chesterfield County: 61.1 %Colleton County: 84.3 %Darlington County: 93.9 %Edgefield County: 82.8 %Florence County: 52.4 %Georgetown County: 99.3 %Greenville County: 51 %Lexington County: 55.3 %Oconee County: 90.8 %Pickens County: 89.4 %Richland County: 60.5 %Spartanburg County: 51.4 %York County: 95.3 %Brookings County: 78.3 %Brown County: 84.3 %Codington County: 77.5 %Custer County: 89.3 %Hughes County: 91.7 %Jackson County: 87.9 %Meade County: 96.4 %Minnehaha County: 56.7 %Pennington County: 49.9 %Union County: 66.6 %Anderson County: 90 %Blount County: 78 %Claiborne County: 93.9 %Davidson County: 38.6 %DeKalb County: 95.2 %Dyer County: 64 %Hamilton County: 74.3 %Jefferson County: 74.7 %Knox County: 49.9 %Lawrence County: 70 %Loudon County: 67 %McMinn County: 65.5 %Madison County: 60 %Maury County: 76.5 %Montgomery County: 63.2 %Putnam County: 68.6 %Roane County: 53.3 %Sevier County: 83 %Shelby County: 47.7 %Sullivan County: 79.7 %Sumner County: 71.8 %Union County: 94.2 %Williamson County: 92.5 %Wilson County: 86.5 %Bell County: 84.7 %Bexar County: 38.1 %Bowie County: 48.3 %Brazoria County: 84.4 %Brewster County: 73.7 %Cameron County: 54 %Collin County: 84.4 %Culberson County: 96.5 %Dallas County: 46.3 %Denton County: 58.1 %Ector County: 69.9 %Ellis County: 61.4 %El Paso County: 35.1 %Fayette County: 75.1 %Galveston County: 69.9 %Gregg County: 88.8 %Harris County: 24.1 %Harrison County: 68.8 %Hidalgo County: 51.8 %Hood County: 84.6 %Hunt County: 92.9 %Jefferson County: 57.3 %Johnson County: 83.1 %Kaufman County: 69.2 %Kleberg County: 61.6 %McLennan County: 68.5 %Maverick County: 62.2 %Montgomery County: 53.4 %Navarro County: 64.3 %Nueces County: 55.6 %Orange County: 69 %Parker County: 82.5 %Polk County: 94.8 %Potter County: 87.3 %Randall County: 84.3 %Rockwall County: 84.9 %Smith County: 87.4 %Tarrant County: 50.7 %Travis County: 52.9 %Victoria County: 90.5 %Webb County: 52.6 %Box Elder County: 68.2 %Cache County: 68.8 %Carbon County: 68.3 %Davis County: 75.6 %Duchesne County: 73.7 %Garfield County: 82.1 %Salt Lake County: 44.7 %San Juan County: 78.7 %Tooele County: 81.9 %Uintah County: 66.3 %Utah County: 56.4 %Washington County: 75.6 %Wayne County: 98.3 %Weber County: 54 %Bennington County: 75.6 %Chittenden County: 76.2 %Rutland County: 61.6 %Windham County: 93.8 %Albemarle County: 74.2 %Arlington County: 74.2 %Caroline County: 90.7 %Carroll County: 100 %Charles City County: 87.4 %Chesterfield County: 75.3 %Fairfax County: 59.5 %Fauquier County: 96.2 %Frederick County: 62.3 %Giles County: 90.8 %Hanover County: 88.3 %Henrico County: 63.8 %King William County: 100 %Loudoun County: 81.4 %Madison County: 77.6 %Page County: 80.2 %Prince Edward County: 97.2 %Prince William County: 90.7 %Roanoke County: 66.3 %Rockbridge County: 87.1 %Rockingham County: 84.8 %Stafford County: 85.5 %Wythe County: 92.9 %Alexandria city: 97.7 %Bristol city: 67 %Fredericksburg city: 100 %Hampton city: 75.1 %Hopewell city: 100 %Lynchburg city: 74.1 %Norfolk city: 91 %Richmond city: 47.1 %Salem city: 62.7 %Suffolk city: 85 %Virginia Beach city: 72.2 %Winchester city: 100 %Adams County: 82.6 %Asotin County: 66.3 %Benton County: 74.3 %Chelan County: 67.1 %Clallam County: 72.3 %Clark County: 70.6 %Columbia County: 94.5 %Cowlitz County: 85.1 %Franklin County: 83.6 %Grant County: 80.3 %Grays Harbor County: 88.3 %Jefferson County: 89.6 %King County: 36 %Kitsap County: 93 %Kittitas County: 77.4 %Klickitat County: 89.2 %Lewis County: 86.1 %Mason County: 87.3 %Okanogan County: 47.7 %Pierce County: 64.4 %Skagit County: 77.8 %Snohomish County: 65.7 %Spokane County: 59.1 %Stevens County: 61.9 %Thurston County: 82.6 %Walla Walla County: 79.8 %Whatcom County: 84.3 %Whitman County: 82 %Yakima County: 52.3 %Berkeley County: 63.8 %Brooke County: 80.8 %Cabell County: 68.7 %Gilmer County: 97.7 %Greenbrier County: 96.2 %Hancock County: 77.8 %Harrison County: 56 %Kanawha County: 78.3 %Marion County: 50.4 %Marshall County: 48.5 %Monongalia County: 72.4 %Ohio County: 65.7 %Raleigh County: 80 %Tucker County: 91.8 %Wood County: 67.7 %Ashland County: 96.4 %Brown County: 65.5 %Columbia County: 89.7 %Dane County: 64.6 %Dodge County: 74.8 %Door County: 86.6 %Eau Claire County: 84.6 %Fond du Lac County: 85.1 %Forest County: 87.8 %Grant County: 70.1 %Jefferson County: 86.4 %Kenosha County: 61.2 %Kewaunee County: 85 %La Crosse County: 77.6 %Manitowoc County: 83.2 %Marathon County: 94.1 %Milwaukee County: 54.5 %Outagamie County: 66.9 %Ozaukee County: 71.2 %Racine County: 83.2 %Rock County: 85.9 %Sauk County: 75 %Sheboygan County: 77.8 %Taylor County: 86.6 %Vilas County: 91.2 %Walworth County: 85.4 %Waukesha County: 61.3 %Albany County: 75.9 %Big Horn County: 87.7 %Campbell County: 66 %Carbon County: 89.3 %Converse County: 78.9 %Fremont County: 75.6 %Goshen County: 85 %Johnson County: 98.2 %Laramie County: 82.7 %Lincoln County: 97.3 %Natrona County: 90.1 %Park County: 93.7 %Platte County: 95 %Sheridan County: 87.1 %Sublette County: 78.9 %Sweetwater County: 70.1 %Teton County: 88.2 %Uinta County: 86.6 %Weston County: 89 %

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