US counties by share of days with good air quality (US EPA AQI), 2017

Abbeville County 100%, the highest of 1006 counties, 2017

Baldwin County: 83 %Clay County: 64.4 %Colbert County: 86.2 %DeKalb County: 85 %Elmore County: 97.8 %Etowah County: 43.1 %Houston County: 84.3 %Jefferson County: 28.5 %Lawrence County: 82.8 %Madison County: 82.7 %Mobile County: 69.3 %Montgomery County: 41.6 %Morgan County: 72.5 %Russell County: 59.2 %Shelby County: 92.9 %Sumter County: 79.7 %Talladega County: 56 %Tuscaloosa County: 26.3 %Aleutians East Borough: 100 %Anchorage Municipality: 81.9 %Denali Borough: 99.7 %Fairbanks North Star Borough: 58.1 %Juneau City and Borough: 78.9 %Kenai Peninsula Borough: 100 %Matanuska-Susitna Borough: 81.1 %Apache County: 98.9 %Cochise County: 67.9 %Coconino County: 69.3 %Gila County: 67.7 %La Paz County: 75.6 %Maricopa County: 10.4 %Mohave County: 98.3 %Navajo County: 76.2 %Pima County: 33.2 %Pinal County: 15.1 %Santa Cruz County: 64.7 %Yavapai County: 67.9 %Yuma County: 55.1 %Arkansas County: 64.6 %Ashley County: 58.7 %Clark County: 96.4 %Crittenden County: 54.5 %Garland County: 61.2 %Jackson County: 63.1 %Newton County: 92.6 %Polk County: 82.6 %Pulaski County: 44.1 %Union County: 44.9 %Washington County: 47.7 %Alameda County: 29 %Amador County: 80.4 %Butte County: 27.4 %Calaveras County: 33.3 %Colusa County: 64.9 %Contra Costa County: 35.9 %Del Norte County: 80.9 %El Dorado County: 64.9 %Fresno County: 20.8 %Glenn County: 63.3 %Humboldt County: 81.6 %Imperial County: 20 %Inyo County: 53.4 %Kern County: 16.2 %Kings County: 22.5 %Lake County: 96.7 %Los Angeles County: 2.5 %Madera County: 32.1 %Marin County: 61.4 %Mariposa County: 40 %Mendocino County: 61.9 %Merced County: 34.9 %Mono County: 82.2 %Monterey County: 72.6 %Napa County: 37.5 %Nevada County: 53.2 %Orange County: 23.6 %Placer County: 57.8 %Plumas County: 52.4 %Riverside County: 7.1 %Sacramento County: 28.8 %San Benito County: 77.8 %San Bernardino County: 2.5 %San Diego County: 11.2 %San Francisco County: 57.8 %San Joaquin County: 38.6 %San Luis Obispo County: 29.3 %San Mateo County: 65.2 %Santa Barbara County: 49.6 %Santa Clara County: 47.7 %Santa Cruz County: 73.7 %Shasta County: 71.2 %Siskiyou County: 88 %Solano County: 47.4 %Sonoma County: 73.2 %Stanislaus County: 34.8 %Sutter County: 35.1 %Tehama County: 64.9 %Trinity County: 37.4 %Tulare County: 18.4 %Tuolumne County: 63.8 %Ventura County: 32.1 %Yolo County: 62.5 %Adams County: 43.8 %Alamosa County: 99.2 %Arapahoe County: 60.5 %Archuleta County: 86.4 %Boulder County: 65.3 %Chaffee County: 100 %Clear Creek County: 55.1 %Delta County: 99.1 %Denver County: 40.8 %Douglas County: 53.4 %El Paso County: 61.1 %Fremont County: 100 %Garfield County: 65.8 %Grand County: 93.2 %Gunnison County: 75.8 %Jackson County: 98.3 %Jefferson County: 58.6 %La Plata County: 69.9 %Larimer County: 45.2 %Mesa County: 58.4 %Moffat County: 80.8 %Montezuma County: 77.8 %Montrose County: 91.3 %Park County: 64.9 %Pitkin County: 100 %Prowers County: 98.3 %Pueblo County: 90.4 %Rio Blanco County: 64.9 %Routt County: 97.4 %San Juan County: 100 %San Miguel County: 86 %Weld County: 47.4 %Kent County: 73.1 %New Castle County: 51.2 %Sussex County: 68.8 %District of Columbia: 27.7 %Alachua County: 75.2 %Baker County: 95.5 %Bay County: 62.2 %Brevard County: 72.2 %Broward County: 41.7 %Citrus County: 60.3 %Collier County: 75.6 %Columbia County: 65.3 %Duval County: 61.4 %Escambia County: 78.4 %Flagler County: 96.1 %Hamilton County: 61.2 %Highlands County: 95.5 %Hillsborough County: 46.4 %Holmes County: 63.6 %Indian River County: 90.7 %Lake County: 91.8 %Lee County: 76.6 %Leon County: 52.1 %Liberty County: 98.6 %Manatee County: 93.2 %Marion County: 71.2 %Martin County: 73.3 %Miami-Dade County: 50 %Nassau County: 57.6 %Okaloosa County: 94.5 %Orange County: 53.4 %Osceola County: 95 %Palm Beach County: 52.4 %Pasco County: 89.7 %Pinellas County: 54.8 %Polk County: 59.5 %Putnam County: 99.4 %St. Lucie County: 94.1 %Santa Rosa County: 57.1 %Sarasota County: 55 %Seminole County: 87.6 %Volusia County: 79.1 %Wakulla County: 69.8 %Bibb County: 63 %Charlton County: 85.8 %Chatham County: 62.8 %Chattooga County: 96.7 %Clarke County: 69.2 %Clayton County: 49.1 %Cobb County: 74.3 %Coffee County: 72.9 %Columbia County: 95.9 %Coweta County: 67 %Dawson County: 92.6 %DeKalb County: 47.7 %Dougherty County: 50.8 %Douglas County: 86.5 %Floyd County: 33.3 %Fulton County: 33.7 %Glynn County: 87.3 %Gwinnett County: 58.4 %Hall County: 56.7 %Henry County: 68.6 %Houston County: 55.5 %Lowndes County: 48.6 %Murray County: 87.5 %Muscogee County: 59.2 %Paulding County: 90.9 %Pike County: 92.2 %Richmond County: 54.4 %Rockdale County: 87.2 %Sumter County: 95 %Walker County: 48.7 %Washington County: 63.1 %Hawaii County: 22.5 %Honolulu County: 93.2 %Kauai County: 98.3 %Maui County: 91.2 %Ada County: 59.5 %Bannock County: 61.6 %Benewah County: 43.3 %Blaine County: 89.5 %Boise County: 57.3 %Bonner County: 68.5 %Bonneville County: 77.4 %Butte County: 88.2 %Canyon County: 62.2 %Custer County: 90.1 %Franklin County: 65.5 %Idaho County: 64.7 %Jerome County: 81.9 %Kootenai County: 75.2 %Latah County: 88.3 %Lemhi County: 59.8 %Nez Perce County: 69 %Shoshone County: 49.6 %Twin Falls County: 58.3 %Valley County: 67.4 %Adams County: 87.3 %Champaign County: 63.8 %Clark County: 87.6 %Cook County: 31.2 %DuPage County: 67.5 %Effingham County: 84.4 %Hamilton County: 60.3 %Jersey County: 55 %Jo Daviess County: 93.5 %Kane County: 77.9 %Lake County: 88.3 %McHenry County: 63.3 %McLean County: 55.2 %Macon County: 59 %Macoupin County: 89.3 %Madison County: 42.5 %Peoria County: 47.1 %Randolph County: 44.6 %Rock Island County: 74.4 %St. Clair County: 64.9 %Sangamon County: 72 %Will County: 63.3 %Winnebago County: 83.6 %Allen County: 58.6 %Bartholomew County: 70.3 %Boone County: 89.4 %Brown County: 88.8 %Carroll County: 90.5 %Clark County: 78.6 %Delaware County: 80.4 %Dubois County: 69.2 %Elkhart County: 67.9 %Floyd County: 54 %Greene County: 75.5 %Hamilton County: 62.7 %Hendricks County: 91.7 %Henry County: 71.7 %Howard County: 59.3 %Huntington County: 92.7 %Jackson County: 91.2 %Johnson County: 90.3 %Knox County: 91 %Lake County: 55.6 %LaPorte County: 72 %Madison County: 55.1 %Marion County: 36.7 %Monroe County: 77.7 %Morgan County: 96.2 %Perry County: 87.2 %Porter County: 64.1 %Posey County: 82.5 %St. Joseph County: 64.7 %Shelby County: 86 %Spencer County: 66.9 %Sullivan County: 62.1 %Tippecanoe County: 54.6 %Vanderburgh County: 56.2 %Vigo County: 41.9 %Wabash County: 91 %Warrick County: 86.5 %Whitley County: 63.7 %Black Hawk County: 29.8 %Bremer County: 92.9 %Cerro Gordo County: 99.1 %Clinton County: 15.7 %Delaware County: 79.6 %Harrison County: 84.8 %Johnson County: 59.3 %Lee County: 64 %Linn County: 60.8 %Montgomery County: 62.6 %Muscatine County: 48.2 %Palo Alto County: 52.9 %Polk County: 60.8 %Pottawattamie County: 63 %Scott County: 24.1 %Van Buren County: 56.4 %Warren County: 86.7 %Woodbury County: 71.3 %Chase County: 84.7 %Ford County: 98.9 %Johnson County: 77.2 %Leavenworth County: 94.2 %Neosho County: 83.3 %Sedgwick County: 64.7 %Shawnee County: 67 %Sherman County: 98.3 %Sumner County: 81.4 %Trego County: 91.5 %Wyandotte County: 51.1 %Bell County: 87.8 %Boone County: 93.3 %Boyd County: 61.1 %Bullitt County: 89.3 %Campbell County: 48.6 %Carter County: 91.6 %Christian County: 82.1 %Daviess County: 45.3 %Edmonson County: 59.7 %Fayette County: 68.4 %Greenup County: 97.3 %Hancock County: 88.6 %Hardin County: 48.8 %Henderson County: 42.7 %Jefferson County: 36.4 %Jessamine County: 92.2 %Livingston County: 90.3 %McCracken County: 51.4 %Madison County: 74.3 %Morgan County: 94.1 %Oldham County: 87.8 %Perry County: 59.4 %Pike County: 55.8 %Pulaski County: 86.2 %Simpson County: 92.8 %Trigg County: 94.5 %Warren County: 55.6 %Washington County: 91.7 %Ascension Parish: 92 %Bossier Parish: 70.3 %Caddo Parish: 76.6 %Calcasieu Parish: 32.3 %East Baton Rouge Parish: 41.1 %Iberville Parish: 79.5 %Jefferson Parish: 68.2 %Lafayette Parish: 59.7 %Lafourche Parish: 82.2 %Livingston Parish: 55.9 %Orleans Parish: 52.3 %Ouachita Parish: 85.3 %Pointe Coupee Parish: 94.5 %Rapides Parish: 64.5 %St. Bernard Parish: 71 %St. James Parish: 95.6 %St. John the Baptist Parish: 93.1 %St. Martin Parish: 91.6 %St. Tammany Parish: 74.5 %Tangipahoa Parish: 65.5 %Terrebonne Parish: 75 %West Baton Rouge Parish: 54.5 %Androscoggin County: 64.9 %Aroostook County: 70.4 %Cumberland County: 74.2 %Franklin County: 83.5 %Hancock County: 89 %Kennebec County: 95 %Knox County: 95.3 %Oxford County: 74.1 %Penobscot County: 87.9 %Washington County: 97 %York County: 91.1 %Anne Arundel County: 81.5 %Baltimore County: 71.8 %Calvert County: 82.9 %Carroll County: 82 %Cecil County: 61.7 %Charles County: 78.4 %Dorchester County: 58.1 %Frederick County: 78.2 %Garrett County: 78.3 %Harford County: 57.5 %Howard County: 64.1 %Kent County: 54.2 %Montgomery County: 74.7 %Prince George's County: 65.8 %Washington County: 61.9 %Baltimore city: 60.5 %Barnstable County: 92.7 %Berkshire County: 58.7 %Bristol County: 71.2 %Dukes County: 93.6 %Essex County: 78.1 %Franklin County: 82.2 %Hampden County: 74 %Hampshire County: 84.9 %Middlesex County: 95.8 %Norfolk County: 92.6 %Plymouth County: 77 %Suffolk County: 26.8 %Worcester County: 78.9 %Allegan County: 73.7 %Bay County: 77.1 %Benzie County: 88.5 %Berrien County: 74.9 %Cass County: 80.8 %Chippewa County: 77.5 %Clinton County: 88.7 %Genesee County: 67.7 %Huron County: 92.9 %Ingham County: 70.6 %Kalamazoo County: 61.1 %Kent County: 62.5 %Keweenaw County: 95.9 %Lenawee County: 68.1 %Macomb County: 74.6 %Manistee County: 84.3 %Mason County: 88.6 %Missaukee County: 85.2 %Monroe County: 67.2 %Muskegon County: 82.4 %Oakland County: 73.2 %Ottawa County: 83.7 %St. Clair County: 64.8 %Schoolcraft County: 90.5 %Tuscola County: 94.2 %Washtenaw County: 59.2 %Wayne County: 28.2 %Wexford County: 94.4 %Anoka County: 65.5 %Becker County: 88.5 %Beltrami County: 87 %Carlton County: 91.5 %Cook County: 94.6 %Crow Wing County: 84.1 %Dakota County: 73.2 %Goodhue County: 94.3 %Hennepin County: 45.5 %Lake County: 90.4 %Lyon County: 85.3 %Mille Lacs County: 96.3 %Olmsted County: 69.6 %Ramsey County: 67.4 %St. Louis County: 84.1 %Scott County: 88.4 %Stearns County: 80.5 %Washington County: 59.7 %Winona County: 87.4 %Wright County: 75.9 %Bolivar County: 94 %DeSoto County: 60.5 %Forrest County: 59.1 %Grenada County: 76.7 %Hancock County: 80.9 %Harrison County: 64.3 %Hinds County: 44.4 %Jackson County: 82.8 %Lauderdale County: 98 %Lee County: 96.4 %Yalobusha County: 99.4 %Andrew County: 83.5 %Boone County: 89.4 %Buchanan County: 55.9 %Callaway County: 92.6 %Cass County: 70.5 %Cedar County: 72.2 %Clay County: 68.1 %Clinton County: 80.8 %Greene County: 66.6 %Jackson County: 47.4 %Jasper County: 89 %Jefferson County: 63.3 %Lincoln County: 86.1 %Monroe County: 94.2 %Perry County: 82.4 %St. Charles County: 75.5 %Ste. Genevieve County: 83.3 %St. Louis County: 44.1 %Stoddard County: 80.3 %Taney County: 90.5 %St. Louis city: 45.2 %Cascade County: 69.9 %Fergus County: 81.1 %Flathead County: 68.5 %Gallatin County: 72.1 %Lake County: 90 %Lewis and Clark County: 57.3 %Lincoln County: 41.6 %Missoula County: 14.2 %Phillips County: 87.8 %Powder River County: 67.9 %Powell County: 86.7 %Ravalli County: 58.1 %Richland County: 83 %Roosevelt County: 94.4 %Rosebud County: 75.9 %Sanders County: 67.6 %Sheridan County: 95.6 %Silver Bow County: 53.1 %Yellowstone County: 76.4 %Cass County: 91.8 %Douglas County: 46.8 %Hall County: 82.9 %Knox County: 89.9 %Lancaster County: 87 %Sarpy County: 46.9 %Scotts Bluff County: 70.8 %Thomas County: 94.8 %Washington County: 75.2 %Churchill County: 80.9 %Clark County: 27.4 %Douglas County: 80.8 %Elko County: 91.4 %Lyon County: 84.6 %Nye County: 94.8 %Washoe County: 45.2 %White Pine County: 81.2 %Carson City: 69.3 %Belknap County: 84.7 %Cheshire County: 81.9 %Coos County: 81.5 %Grafton County: 80.5 %Hillsborough County: 92.1 %Merrimack County: 96.7 %Rockingham County: 84.9 %Atlantic County: 73.4 %Bergen County: 57.3 %Camden County: 45.8 %Cumberland County: 69.8 %Essex County: 61.1 %Gloucester County: 83.6 %Hudson County: 48.5 %Hunterdon County: 65.1 %Mercer County: 61.6 %Middlesex County: 67.1 %Monmouth County: 95 %Morris County: 87.6 %Ocean County: 79.1 %Passaic County: 80.3 %Union County: 39.5 %Warren County: 69.5 %Bernalillo County: 39.7 %Catron County: 96.5 %Chaves County: 93.3 %Doña Ana County: 31.8 %Eddy County: 67.1 %Lea County: 50.4 %Lincoln County: 99.1 %Los Alamos County: 99.1 %Luna County: 94.4 %Rio Arriba County: 74.7 %Sandoval County: 73.9 %San Juan County: 63 %Santa Fe County: 77.3 %Socorro County: 98.3 %Taos County: 93.2 %Valencia County: 72.6 %Albany County: 69.9 %Bronx County: 66 %Chautauqua County: 86.1 %Dutchess County: 95.2 %Erie County: 56.2 %Essex County: 84.4 %Franklin County: 97.7 %Hamilton County: 95.3 %Herkimer County: 98.7 %Jefferson County: 94.8 %Kings County: 73.5 %Monroe County: 67.4 %Nassau County: 79.8 %New York County: 50.7 %Niagara County: 92 %Oneida County: 87.2 %Onondaga County: 84.9 %Orange County: 83.6 %Oswego County: 96.1 %Putnam County: 94.1 %Queens County: 62.5 %Richmond County: 69 %Rockland County: 84.7 %Saratoga County: 96.3 %Steuben County: 92.9 %Suffolk County: 74.2 %Tompkins County: 96 %Wayne County: 93.8 %Westchester County: 80.4 %Alexander County: 92.8 %Avery County: 90.8 %Buncombe County: 69.6 %Caldwell County: 87.4 %Carteret County: 96.8 %Caswell County: 94.5 %Catawba County: 58.3 %Cumberland County: 54.5 %Davidson County: 57.7 %Durham County: 52.3 %Edgecombe County: 76 %Forsyth County: 61.1 %Graham County: 88.1 %Granville County: 86.4 %Guilford County: 62.7 %Haywood County: 81.6 %Hyde County: 94.7 %Jackson County: 71.5 %Johnston County: 59.2 %Lee County: 53.6 %Lenoir County: 91.8 %Lincoln County: 87 %Macon County: 96.5 %Martin County: 94.7 %Mecklenburg County: 40.5 %Mitchell County: 78.7 %Montgomery County: 84.1 %New Hanover County: 83.4 %Person County: 90.9 %Pitt County: 69 %Rockingham County: 86.7 %Rowan County: 93.2 %Swain County: 64.1 %Union County: 86.4 %Wake County: 44.1 %Yancey County: 76.7 %Billings County: 88.5 %Burke County: 86.2 %Burleigh County: 77.3 %Cass County: 64.1 %Dunn County: 87.3 %McKenzie County: 86.2 %Mercer County: 86.8 %Oliver County: 81.7 %Stutsman County: 98.1 %Ward County: 89.2 %Williams County: 83.4 %Adams County: 93.4 %Allen County: 81.6 %Ashtabula County: 86.5 %Athens County: 78 %Belmont County: 91.2 %Butler County: 68.1 %Clark County: 57.3 %Clermont County: 56.7 %Clinton County: 84.1 %Columbiana County: 100 %Cuyahoga County: 49.6 %Delaware County: 93.1 %Fayette County: 91.3 %Franklin County: 62.2 %Geauga County: 78.4 %Greene County: 65.4 %Hamilton County: 32.3 %Jefferson County: 26.7 %Knox County: 91 %Lake County: 66.8 %Lawrence County: 80 %Licking County: 90.2 %Lorain County: 81.6 %Lucas County: 59.9 %Madison County: 86.5 %Mahoning County: 64.9 %Medina County: 65.9 %Miami County: 85.7 %Montgomery County: 66.3 %Noble County: 87.3 %Portage County: 80.4 %Preble County: 63 %Scioto County: 94.2 %Stark County: 49 %Summit County: 60.5 %Trumbull County: 61.6 %Warren County: 51.7 %Washington County: 89.4 %Wood County: 88.6 %Adair County: 65.7 %Bryan County: 89.1 %Caddo County: 96.4 %Canadian County: 84.8 %Carter County: 63.5 %Cherokee County: 93.2 %Choctaw County: 94.8 %Cleveland County: 59.4 %Comanche County: 68.2 %Creek County: 88.7 %Custer County: 99 %Dewey County: 73.2 %Grady County: 100 %Jefferson County: 84.1 %Kay County: 41.4 %Lincoln County: 94.1 %Love County: 75.2 %McClain County: 84.9 %Mayes County: 91.6 %Muskogee County: 98.1 %Oklahoma County: 48.8 %Osage County: 88.3 %Ottawa County: 47.9 %Pittsburg County: 65.3 %Sequoyah County: 83.2 %Tulsa County: 37.8 %Washington County: 57.8 %Baker County: 74.8 %Benton County: 82.4 %Clackamas County: 82.4 %Columbia County: 88.4 %Crook County: 64.1 %Deschutes County: 76.7 %Douglas County: 74.1 %Grant County: 57.3 %Harney County: 55.6 %Jackson County: 57.8 %Jefferson County: 58.7 %Josephine County: 60 %Klamath County: 59.6 %Lake County: 71.1 %Lane County: 54.8 %Linn County: 69.6 %Marion County: 79.3 %Multnomah County: 76.2 %Umatilla County: 60.8 %Union County: 75.9 %Wallowa County: 76.8 %Wasco County: 68.4 %Washington County: 70.4 %Adams County: 65.2 %Allegheny County: 30.4 %Armstrong County: 50.4 %Beaver County: 38.1 %Berks County: 50.4 %Blair County: 61.6 %Bradford County: 71.5 %Bucks County: 86.3 %Cambria County: 33.2 %Centre County: 47.7 %Chester County: 37.6 %Clearfield County: 91.6 %Cumberland County: 61.3 %Dauphin County: 55.9 %Delaware County: 43.3 %Elk County: 95.3 %Erie County: 63.3 %Franklin County: 98.9 %Greene County: 71.6 %Indiana County: 90.5 %Lackawanna County: 60.8 %Lancaster County: 33.4 %Lawrence County: 90.9 %Lebanon County: 31.2 %Lehigh County: 66 %Luzerne County: 97 %Lycoming County: 94.2 %Mercer County: 24.4 %Monroe County: 69.2 %Montgomery County: 57.7 %Northampton County: 28.8 %Philadelphia County: 26.3 %Somerset County: 94.2 %Tioga County: 41.3 %Washington County: 32.1 %Westmoreland County: 35.4 %York County: 54.2 %Kent County: 90.5 %Providence County: 61.6 %Washington County: 86.2 %Abbeville County: 100 %Aiken County: 96.3 %Anderson County: 96.2 %Berkeley County: 94.4 %Charleston County: 64 %Chesterfield County: 80.4 %Colleton County: 73.7 %Darlington County: 92.7 %Edgefield County: 68 %Florence County: 72.2 %Georgetown County: 99.7 %Greenville County: 53.4 %Horry County: 98.9 %Lexington County: 62.1 %Oconee County: 81.9 %Pickens County: 91.1 %Richland County: 67.7 %Spartanburg County: 56.1 %York County: 89.6 %Brookings County: 85.2 %Brown County: 88.5 %Codington County: 75.8 %Custer County: 82.4 %Hughes County: 96.3 %Jackson County: 84.1 %Meade County: 98.9 %Minnehaha County: 78.6 %Pennington County: 72.3 %Union County: 76.2 %Anderson County: 87.3 %Blount County: 54 %Claiborne County: 94.2 %Davidson County: 44.1 %DeKalb County: 96.1 %Dyer County: 77.1 %Hamilton County: 46.2 %Jefferson County: 77.5 %Knox County: 74.5 %Lawrence County: 82.5 %Loudon County: 81.6 %McMinn County: 64.3 %Madison County: 78 %Maury County: 74.6 %Montgomery County: 66.6 %Putnam County: 69.6 %Roane County: 67.3 %Sevier County: 82.7 %Shelby County: 58.9 %Sullivan County: 66.9 %Sumner County: 68.2 %Williamson County: 91.6 %Wilson County: 92.4 %Bell County: 83 %Bexar County: 51.2 %Bowie County: 52.2 %Brazoria County: 85.7 %Brewster County: 79 %Cameron County: 71 %Collin County: 86.2 %Culberson County: 94 %Dallas County: 44.1 %Denton County: 65.2 %Ector County: 82.9 %Ellis County: 50.1 %El Paso County: 32.9 %Fayette County: 85.8 %Galveston County: 74.4 %Gregg County: 93.1 %Harris County: 29.3 %Harrison County: 60.1 %Hidalgo County: 59.7 %Hood County: 90.8 %Hunt County: 94 %Jefferson County: 58.4 %Johnson County: 80.9 %Kaufman County: 65.2 %Kleberg County: 62.5 %Lubbock County: 84.7 %McLennan County: 86 %Maverick County: 73.2 %Montgomery County: 62.5 %Navarro County: 63.8 %Nueces County: 60.8 %Orange County: 62.3 %Parker County: 90.8 %Polk County: 97.4 %Potter County: 92.2 %Randall County: 78.1 %Rockwall County: 92.2 %Smith County: 92.3 %Tarrant County: 48.5 %Travis County: 50.7 %Victoria County: 93.3 %Webb County: 53.1 %Box Elder County: 56.7 %Cache County: 60.3 %Carbon County: 72 %Davis County: 49.3 %Duchesne County: 71.5 %Garfield County: 73.3 %Salt Lake County: 35.9 %San Juan County: 74.9 %Tooele County: 57.3 %Uintah County: 54.8 %Utah County: 44.4 %Washington County: 70.1 %Wayne County: 98.2 %Weber County: 47.9 %Bennington County: 87.1 %Chittenden County: 85.5 %Rutland County: 73.4 %Windham County: 97.5 %Albemarle County: 79.8 %Arlington County: 81.4 %Caroline County: 93.1 %Carroll County: 100 %Charles City County: 87.9 %Chesterfield County: 84.9 %Fairfax County: 56.4 %Fauquier County: 97.1 %Frederick County: 73.5 %Giles County: 93.4 %Hanover County: 90.3 %Henrico County: 68.8 %Loudoun County: 81.4 %Madison County: 86.5 %Prince Edward County: 97.7 %Prince William County: 91.5 %Roanoke County: 75.6 %Rockbridge County: 92.6 %Rockingham County: 88.8 %Stafford County: 96.6 %Wythe County: 94.3 %Alexandria city: 100 %Bristol city: 73.5 %Fredericksburg city: 100 %Hampton city: 81.4 %Hopewell city: 100 %Lynchburg city: 78.9 %Norfolk city: 92.3 %Richmond city: 72.9 %Salem city: 72.3 %Suffolk city: 93.1 %Virginia Beach city: 79 %Winchester city: 100 %Adams County: 88.5 %Asotin County: 65.1 %Benton County: 66.3 %Chelan County: 64.7 %Clallam County: 67.4 %Clark County: 72.3 %Columbia County: 74.8 %Cowlitz County: 82.5 %Franklin County: 78.9 %Garfield County: 78.7 %Grant County: 77.5 %Grays Harbor County: 85.8 %Jefferson County: 89.9 %King County: 53.2 %Kitsap County: 90.6 %Kittitas County: 66.2 %Klickitat County: 88.2 %Lewis County: 82.7 %Mason County: 82.9 %Okanogan County: 45.8 %Pierce County: 66.3 %Skagit County: 89 %Snohomish County: 66.8 %Spokane County: 62.2 %Stevens County: 53.4 %Thurston County: 79.1 %Walla Walla County: 78.1 %Whatcom County: 86.2 %Whitman County: 81.9 %Yakima County: 52.9 %Berkeley County: 79.3 %Brooke County: 81.8 %Cabell County: 82.3 %Gilmer County: 99.2 %Greenbrier County: 95 %Hancock County: 83 %Harrison County: 72.1 %Kanawha County: 58.6 %Marion County: 70.2 %Marshall County: 31.8 %Monongalia County: 85.8 %Ohio County: 77 %Tucker County: 95.4 %Wood County: 82.3 %Ashland County: 98.6 %Brown County: 80 %Columbia County: 89 %Dane County: 67.3 %Dodge County: 80 %Door County: 90.3 %Eau Claire County: 75.6 %Fond du Lac County: 91.5 %Forest County: 89.8 %Grant County: 76.6 %Jefferson County: 87.3 %Kenosha County: 68.6 %Kewaunee County: 88.9 %La Crosse County: 74.4 %Manitowoc County: 91.1 %Marathon County: 94.1 %Milwaukee County: 61.1 %Outagamie County: 78.4 %Ozaukee County: 79.3 %Racine County: 76.5 %Rock County: 86.8 %Sauk County: 74.2 %Sheboygan County: 78.4 %Taylor County: 86.5 %Vilas County: 92.2 %Walworth County: 90.1 %Waukesha County: 64.6 %Albany County: 60 %Big Horn County: 94.5 %Campbell County: 62.7 %Carbon County: 85.2 %Converse County: 77.3 %Fremont County: 68.2 %Laramie County: 73.2 %Lincoln County: 95.3 %Natrona County: 78.4 %Park County: 87.6 %Platte County: 90 %Sheridan County: 68.5 %Sublette County: 60.3 %Sweetwater County: 71 %Teton County: 79.2 %Uinta County: 84.9 %Weston County: 88.9 %

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