US counties by share of days with good air quality (US EPA AQI), 2016

Carroll County 100%, the highest of 1008 counties, 2016

Baldwin County: 83.5 %Clay County: 71.6 %Colbert County: 85.5 %DeKalb County: 81 %Elmore County: 91.5 %Etowah County: 21.9 %Houston County: 86.4 %Jefferson County: 28.7 %Lawrence County: 88.1 %Madison County: 77.5 %Mobile County: 50 %Montgomery County: 53.2 %Morgan County: 65.8 %Russell County: 64.2 %Shelby County: 84 %Sumter County: 83.9 %Talladega County: 59 %Tuscaloosa County: 29.3 %Aleutians East Borough: 98.3 %Anchorage Municipality: 69.8 %Denali Borough: 99.7 %Fairbanks North Star Borough: 53.8 %Juneau City and Borough: 73.4 %Kenai Peninsula Borough: 100 %Matanuska-Susitna Borough: 77 %Apache County: 98.9 %Cochise County: 76 %Coconino County: 81.4 %Gila County: 69.9 %La Paz County: 79.5 %Maricopa County: 12.8 %Mohave County: 93.6 %Navajo County: 81.7 %Pima County: 52.2 %Pinal County: 15.6 %Santa Cruz County: 53.2 %Yavapai County: 85.7 %Yuma County: 54.4 %Arkansas County: 60.5 %Ashley County: 61 %Clark County: 98.9 %Crittenden County: 78.1 %Garland County: 55.5 %Jackson County: 62.6 %Newton County: 92.1 %Polk County: 79 %Pulaski County: 47 %Union County: 54.1 %Washington County: 85 %Alameda County: 42.3 %Alpine County: 79.2 %Amador County: 83.1 %Butte County: 31.4 %Calaveras County: 53.3 %Colusa County: 60.7 %Contra Costa County: 57.4 %Del Norte County: 88.1 %El Dorado County: 60.4 %Fresno County: 16.9 %Glenn County: 53.6 %Humboldt County: 78.7 %Imperial County: 17.5 %Inyo County: 65 %Kern County: 12.6 %Kings County: 16.7 %Lake County: 97.5 %Los Angeles County: 1.9 %Madera County: 24.9 %Marin County: 80.9 %Mariposa County: 53.8 %Mendocino County: 78.8 %Merced County: 31.4 %Mono County: 85.2 %Monterey County: 79.2 %Napa County: 59.8 %Nevada County: 63.4 %Orange County: 23.8 %Placer County: 51.1 %Plumas County: 57.2 %Riverside County: 6.3 %Sacramento County: 37.2 %San Benito County: 81.4 %San Bernardino County: 2.5 %San Diego County: 8.2 %San Francisco County: 64.5 %San Joaquin County: 16.9 %San Luis Obispo County: 38.3 %San Mateo County: 58.5 %Santa Barbara County: 52.2 %Santa Clara County: 51.1 %Santa Cruz County: 83.6 %Shasta County: 80.9 %Siskiyou County: 97 %Solano County: 58.2 %Sonoma County: 88.3 %Stanislaus County: 27.9 %Sutter County: 31.4 %Tehama County: 59.6 %Trinity County: 49.7 %Tulare County: 15 %Tuolumne County: 63 %Ventura County: 32.8 %Yolo County: 67.2 %Adams County: 64.5 %Alamosa County: 98.3 %Arapahoe County: 71.3 %Archuleta County: 98.8 %Boulder County: 87.3 %Chaffee County: 64.2 %Clear Creek County: 67.5 %Delta County: 98.3 %Denver County: 34.7 %Douglas County: 69.3 %El Paso County: 69.1 %Fremont County: 100 %Garfield County: 71.9 %Grand County: 86.2 %Gunnison County: 86.3 %Jackson County: 99.1 %Jefferson County: 66.9 %La Plata County: 65 %Larimer County: 44.3 %Mesa County: 66.9 %Moffat County: 91.6 %Montezuma County: 78.1 %Montrose County: 93.3 %Park County: 73.8 %Pitkin County: 100 %Prowers County: 98 %Pueblo County: 94.5 %Rio Blanco County: 74 %Routt County: 97.4 %San Juan County: 100 %San Miguel County: 77.1 %Weld County: 54.9 %Kent County: 74.7 %New Castle County: 47.3 %Sussex County: 70.8 %District of Columbia: 38.3 %Alachua County: 77.2 %Baker County: 93.3 %Bay County: 76.2 %Brevard County: 81.4 %Broward County: 58.8 %Citrus County: 62.1 %Collier County: 78.1 %Columbia County: 68.1 %Duval County: 57.4 %Escambia County: 71 %Flagler County: 95.6 %Hamilton County: 67.2 %Highlands County: 95.6 %Hillsborough County: 48.6 %Holmes County: 59.8 %Indian River County: 92.9 %Lake County: 89.5 %Lee County: 77 %Leon County: 56.5 %Liberty County: 97.4 %Manatee County: 93.7 %Marion County: 69.4 %Martin County: 77.1 %Miami-Dade County: 42.5 %Nassau County: 63.8 %Okaloosa County: 94.5 %Orange County: 58.5 %Osceola County: 93.4 %Palm Beach County: 56.8 %Pasco County: 89.6 %Pinellas County: 67.5 %Polk County: 68.6 %Putnam County: 100 %St. Lucie County: 93.9 %Santa Rosa County: 73 %Sarasota County: 60.9 %Seminole County: 89 %Volusia County: 76.9 %Wakulla County: 73.6 %Bibb County: 50.3 %Charlton County: 87.2 %Chatham County: 64.1 %Chattooga County: 89.7 %Clarke County: 66.6 %Clayton County: 55.4 %Cobb County: 50.4 %Coffee County: 65.1 %Columbia County: 89.3 %Coweta County: 66.1 %Dawson County: 88.5 %DeKalb County: 29.2 %Dougherty County: 51.5 %Douglas County: 80 %Floyd County: 51.2 %Fulton County: 27.6 %Glynn County: 74.3 %Gwinnett County: 60.5 %Hall County: 65.5 %Henry County: 65.2 %Houston County: 63.1 %Lowndes County: 61.5 %Murray County: 84 %Muscogee County: 62.8 %Paulding County: 42 %Pike County: 85.5 %Richmond County: 59.2 %Rockdale County: 74.6 %Sumter County: 89 %Walker County: 48.6 %Washington County: 75.6 %Wilkinson County: 59 %Hawaii County: 0.5 %Honolulu County: 90.2 %Kauai County: 98.3 %Maui County: 88.5 %Ada County: 74 %Bannock County: 72.7 %Benewah County: 58.5 %Blaine County: 85.8 %Boise County: 69.1 %Bonner County: 86.6 %Bonneville County: 77.8 %Butte County: 95.3 %Canyon County: 51.1 %Custer County: 88.8 %Franklin County: 75.9 %Idaho County: 73.2 %Jerome County: 99.5 %Kootenai County: 81.2 %Latah County: 97.8 %Lemhi County: 50 %Nez Perce County: 78.4 %Shoshone County: 53.6 %Twin Falls County: 94.6 %Valley County: 87.4 %Adams County: 93 %Champaign County: 69.4 %Clark County: 86.2 %Cook County: 31.4 %DuPage County: 73 %Effingham County: 84.6 %Hamilton County: 69.1 %Jersey County: 68.5 %Jo Daviess County: 94.6 %Kane County: 79.9 %Lake County: 88.4 %McHenry County: 66.6 %McLean County: 77.3 %Macon County: 55.1 %Macoupin County: 89.7 %Madison County: 48.1 %Peoria County: 56.3 %Randolph County: 70.8 %Rock Island County: 86.9 %St. Clair County: 61.7 %Sangamon County: 83.5 %Will County: 55.1 %Winnebago County: 84.7 %Allen County: 54.2 %Bartholomew County: 57.7 %Boone County: 79 %Brown County: 89.1 %Carroll County: 80.8 %Clark County: 53.4 %Delaware County: 73.9 %Dubois County: 61.4 %Elkhart County: 55 %Floyd County: 63.9 %Greene County: 66 %Hamilton County: 52.6 %Hendricks County: 79.8 %Henry County: 73.1 %Howard County: 53.2 %Huntington County: 86.7 %Jackson County: 79.8 %Johnson County: 86.3 %Knox County: 87.2 %Lake County: 50 %LaPorte County: 75.8 %Madison County: 62.6 %Marion County: 30.3 %Monroe County: 83.3 %Morgan County: 84.2 %Perry County: 76.5 %Porter County: 64.5 %Posey County: 81.8 %St. Joseph County: 50 %Shelby County: 83.6 %Spencer County: 62.7 %Tippecanoe County: 71.5 %Vanderburgh County: 55.5 %Vigo County: 49.6 %Wabash County: 89 %Warrick County: 74.3 %Whitley County: 67.4 %Black Hawk County: 49.2 %Bremer County: 92 %Cerro Gordo County: 98.9 %Clinton County: 25.1 %Delaware County: 77.3 %Harrison County: 88.7 %Johnson County: 64.5 %Lee County: 62.8 %Linn County: 53.8 %Montgomery County: 63.4 %Muscatine County: 51.4 %Palo Alto County: 65 %Polk County: 66.7 %Pottawattamie County: 77.4 %Scott County: 16.9 %Story County: 93.4 %Van Buren County: 48.4 %Warren County: 95.8 %Woodbury County: 75.6 %Chase County: 89 %Ford County: 98.4 %Johnson County: 86.1 %Leavenworth County: 92 %Neosho County: 87.7 %Sedgwick County: 77.6 %Shawnee County: 87.2 %Sherman County: 82.8 %Sumner County: 88.4 %Trego County: 91.3 %Wyandotte County: 57 %Bell County: 88.1 %Boone County: 88 %Boyd County: 47.7 %Bullitt County: 85.6 %Campbell County: 44.1 %Carter County: 88.5 %Christian County: 78.8 %Daviess County: 34.7 %Edmonson County: 88.1 %Fayette County: 71 %Greenup County: 91.8 %Hancock County: 82.6 %Hardin County: 41.8 %Henderson County: 43.2 %Jefferson County: 33.1 %Jessamine County: 85.3 %Livingston County: 85 %McCracken County: 41.8 %Madison County: 70.1 %Morgan County: 90.7 %Oldham County: 84.6 %Perry County: 46.9 %Pike County: 51.4 %Pulaski County: 80.6 %Simpson County: 89.3 %Trigg County: 89.4 %Warren County: 52.6 %Washington County: 90.8 %Ascension Parish: 92.3 %Bossier Parish: 61.7 %Caddo Parish: 76.6 %Calcasieu Parish: 34.4 %East Baton Rouge Parish: 23 %Iberville Parish: 79.2 %Jefferson Parish: 79.2 %Lafayette Parish: 66.7 %Lafourche Parish: 83.6 %Livingston Parish: 44.3 %Orleans Parish: 50 %Ouachita Parish: 83.7 %Pointe Coupee Parish: 94.8 %Rapides Parish: 66.7 %St. Bernard Parish: 57.4 %St. James Parish: 94.8 %St. John the Baptist Parish: 95.1 %St. Martin Parish: 89.8 %St. Tammany Parish: 74.7 %Tangipahoa Parish: 82.9 %Terrebonne Parish: 80.8 %West Baton Rouge Parish: 58.2 %Androscoggin County: 83 %Aroostook County: 72.4 %Cumberland County: 78.7 %Franklin County: 90.2 %Hancock County: 89.1 %Kennebec County: 94.2 %Knox County: 94.5 %Oxford County: 77.1 %Penobscot County: 72.4 %Washington County: 98.4 %York County: 89.4 %Anne Arundel County: 62.2 %Baltimore County: 54.6 %Calvert County: 77.1 %Carroll County: 78.8 %Cecil County: 58.2 %Charles County: 77.9 %Dorchester County: 64.5 %Frederick County: 71.6 %Garrett County: 82.7 %Harford County: 58.8 %Howard County: 53 %Kent County: 72.5 %Montgomery County: 71.9 %Prince George's County: 54.4 %Washington County: 59.5 %Baltimore city: 52.5 %Barnstable County: 92.3 %Berkshire County: 73 %Bristol County: 83.9 %Dukes County: 94.6 %Essex County: 80.6 %Franklin County: 80.9 %Hampden County: 75.4 %Hampshire County: 84.1 %Middlesex County: 94.2 %Norfolk County: 89.3 %Plymouth County: 81.4 %Suffolk County: 49.2 %Worcester County: 77.9 %Allegan County: 72.5 %Bay County: 74.4 %Benzie County: 85.9 %Berrien County: 68.6 %Cass County: 69.9 %Chippewa County: 86.3 %Clinton County: 79 %Genesee County: 67.3 %Huron County: 89.1 %Ingham County: 63.3 %Kalamazoo County: 60.9 %Kent County: 57.9 %Keweenaw County: 98.3 %Lenawee County: 61.8 %Macomb County: 70.4 %Manistee County: 86.3 %Mason County: 87.2 %Missaukee County: 82.7 %Monroe County: 65.8 %Muskegon County: 77.5 %Oakland County: 67.2 %Ottawa County: 78.9 %St. Clair County: 64.8 %Schoolcraft County: 88.6 %Tuscola County: 92.2 %Washtenaw County: 63.7 %Wayne County: 27 %Wexford County: 92.7 %Anoka County: 79.5 %Becker County: 89.8 %Beltrami County: 92.5 %Carlton County: 92.6 %Cook County: 97.2 %Crow Wing County: 87.7 %Dakota County: 79 %Goodhue County: 94.4 %Hennepin County: 54.1 %Lake County: 94.8 %Lyon County: 91.9 %Mille Lacs County: 96.7 %Olmsted County: 80.5 %Ramsey County: 74 %St. Louis County: 88.3 %Scott County: 90.9 %Stearns County: 86.9 %Washington County: 75.1 %Winona County: 90.6 %Wright County: 84.8 %Bolivar County: 91 %DeSoto County: 57.2 %Forrest County: 63.1 %Grenada County: 72.5 %Hancock County: 84.5 %Harrison County: 71.3 %Hinds County: 41.8 %Jackson County: 84.7 %Lauderdale County: 95.8 %Lee County: 94.1 %Yalobusha County: 98.1 %Andrew County: 87.9 %Boone County: 92.5 %Buchanan County: 63.1 %Callaway County: 93.5 %Cass County: 80.8 %Cedar County: 77.1 %Clay County: 75.6 %Clinton County: 82.2 %Greene County: 71.6 %Jackson County: 58.2 %Jasper County: 88.4 %Jefferson County: 59.8 %Lincoln County: 85 %Monroe County: 96.4 %Perry County: 80.8 %St. Charles County: 72 %Ste. Genevieve County: 86.4 %St. Louis County: 56 %Stoddard County: 78.5 %Taney County: 89.4 %St. Louis city: 38.3 %Cascade County: 89.6 %Fergus County: 95.4 %Flathead County: 81.4 %Gallatin County: 81.4 %Lake County: 97.5 %Lewis and Clark County: 76.8 %Lincoln County: 57.9 %Missoula County: 19.7 %Phillips County: 95.1 %Powder River County: 81.7 %Powell County: 97.5 %Ravalli County: 69.8 %Richland County: 89.3 %Roosevelt County: 96.2 %Rosebud County: 83.9 %Sanders County: 96.7 %Sheridan County: 96.6 %Silver Bow County: 77.3 %Yellowstone County: 84.5 %Cass County: 91.5 %Dawson County: 100 %Douglas County: 61.5 %Hall County: 90.3 %Knox County: 92.3 %Lancaster County: 88.5 %Sarpy County: 66.9 %Scotts Bluff County: 88.5 %Thomas County: 99.1 %Washington County: 82.1 %Churchill County: 80.9 %Clark County: 21.6 %Douglas County: 79.8 %Elko County: 98.6 %Lyon County: 80.1 %Nye County: 95.4 %Washoe County: 55.5 %White Pine County: 83.1 %Carson City: 77 %Belknap County: 89.5 %Cheshire County: 79.2 %Coos County: 83 %Grafton County: 87.7 %Hillsborough County: 88.5 %Merrimack County: 96.1 %Rockingham County: 79 %Atlantic County: 74.2 %Bergen County: 53.8 %Camden County: 45.1 %Cumberland County: 66.9 %Essex County: 59.3 %Gloucester County: 71.4 %Hudson County: 51.6 %Hunterdon County: 65.9 %Mercer County: 54.1 %Middlesex County: 61.5 %Monmouth County: 86.4 %Morris County: 85.7 %Ocean County: 71.8 %Passaic County: 77.4 %Union County: 41.5 %Warren County: 56 %Bernalillo County: 46.4 %Catron County: 96.3 %Chaves County: 96.6 %Doña Ana County: 30.3 %Eddy County: 80.7 %Lea County: 83.8 %Lincoln County: 96.5 %Los Alamos County: 100 %Luna County: 93.9 %Rio Arriba County: 84 %Sandoval County: 80.9 %San Juan County: 74.6 %Santa Fe County: 82 %Socorro County: 99 %Taos County: 96.4 %Valencia County: 77.3 %Albany County: 76.5 %Bronx County: 61.7 %Chautauqua County: 86.8 %Dutchess County: 91.8 %Erie County: 57.4 %Essex County: 90.2 %Franklin County: 99.7 %Hamilton County: 95.4 %Herkimer County: 97.1 %Jefferson County: 92.5 %Kings County: 71.6 %Monroe County: 68.6 %Nassau County: 78.3 %New York County: 46.4 %Niagara County: 89.5 %Oneida County: 82.3 %Onondaga County: 85.8 %Orange County: 81.7 %Oswego County: 92.2 %Putnam County: 89 %Queens County: 66.9 %Richmond County: 63.9 %Rockland County: 76.6 %Saratoga County: 93.7 %Steuben County: 88.4 %Suffolk County: 69.4 %Tompkins County: 91.7 %Wayne County: 91.5 %Westchester County: 73.5 %Alexander County: 88.5 %Avery County: 86 %Buncombe County: 67.5 %Caldwell County: 84.1 %Carteret County: 94.2 %Caswell County: 92.1 %Catawba County: 54.2 %Cumberland County: 60.6 %Davidson County: 55 %Durham County: 53 %Edgecombe County: 72.2 %Forsyth County: 59.6 %Graham County: 76.1 %Granville County: 84 %Guilford County: 57.4 %Haywood County: 75.8 %Hyde County: 89.8 %Jackson County: 62 %Johnston County: 66.1 %Lee County: 53.4 %Lenoir County: 88.6 %Lincoln County: 82 %Macon County: 93 %Martin County: 93.9 %Mecklenburg County: 50.5 %Mitchell County: 74.1 %Montgomery County: 78.9 %New Hanover County: 84.1 %Person County: 89.7 %Pitt County: 71.5 %Rockingham County: 86.3 %Rowan County: 86.9 %Swain County: 66.8 %Union County: 78.9 %Wake County: 42.1 %Yancey County: 71.1 %Billings County: 96.4 %Burke County: 95.9 %Burleigh County: 95 %Cass County: 71.9 %Dunn County: 94.3 %McKenzie County: 97.3 %Mercer County: 97.3 %Oliver County: 95.9 %Stutsman County: 98.4 %Williams County: 95.9 %Adams County: 92.6 %Allen County: 81.1 %Ashtabula County: 80.3 %Athens County: 86.7 %Belmont County: 87.4 %Butler County: 64.6 %Clark County: 55.1 %Clermont County: 44.8 %Clinton County: 73 %Columbiana County: 100 %Cuyahoga County: 39.9 %Delaware County: 84.4 %Fayette County: 87.8 %Franklin County: 60.1 %Geauga County: 72.4 %Greene County: 62.6 %Hamilton County: 32.2 %Jefferson County: 29.2 %Knox County: 82.2 %Lake County: 61.5 %Lawrence County: 62 %Licking County: 80.4 %Lorain County: 80.8 %Lucas County: 59.6 %Madison County: 75.6 %Mahoning County: 60.7 %Medina County: 64.6 %Miami County: 77 %Montgomery County: 62 %Noble County: 85.3 %Portage County: 84.6 %Preble County: 68.3 %Scioto County: 87.7 %Stark County: 59 %Summit County: 43.2 %Trumbull County: 69.7 %Warren County: 51.7 %Washington County: 88.3 %Wood County: 79.4 %Adair County: 74 %Caddo County: 97.8 %Canadian County: 93 %Carter County: 80.9 %Cherokee County: 92.9 %Cleveland County: 68.8 %Comanche County: 75.7 %Cotton County: 89.8 %Creek County: 90.1 %Custer County: 99.2 %Dewey County: 77.6 %Grady County: 100 %Johnston County: 91.3 %Kay County: 45.7 %Lincoln County: 82.5 %McClain County: 92.5 %Mayes County: 89.8 %Muskogee County: 98.6 %Oklahoma County: 60.4 %Osage County: 87.4 %Ottawa County: 56.3 %Pittsburg County: 70.5 %Sequoyah County: 83.9 %Tulsa County: 43.2 %Washington County: 65.3 %Baker County: 83.7 %Benton County: 90.2 %Clackamas County: 94 %Columbia County: 97.1 %Crook County: 75 %Deschutes County: 92 %Douglas County: 90.3 %Grant County: 72.1 %Harney County: 69.2 %Jackson County: 71.9 %Josephine County: 78.1 %Klamath County: 68.9 %Lake County: 83.3 %Lane County: 69.9 %Linn County: 81.4 %Marion County: 84.2 %Multnomah County: 88.5 %Umatilla County: 81.1 %Union County: 81.6 %Wallowa County: 86.3 %Wasco County: 83 %Washington County: 79.8 %Adams County: 65.3 %Allegheny County: 28.1 %Armstrong County: 43 %Beaver County: 46.4 %Berks County: 37.2 %Blair County: 62.8 %Bradford County: 66.5 %Bucks County: 86 %Cambria County: 57.7 %Centre County: 63.4 %Chester County: 43.3 %Clearfield County: 90.2 %Cumberland County: 47.9 %Dauphin County: 51.4 %Delaware County: 33.1 %Elk County: 92.8 %Erie County: 63.7 %Franklin County: 96.4 %Greene County: 83.7 %Indiana County: 87.3 %Lackawanna County: 64.5 %Lancaster County: 32 %Lawrence County: 91.8 %Lebanon County: 26 %Lehigh County: 42.6 %Luzerne County: 91.8 %Lycoming County: 91.5 %Mercer County: 55.5 %Monroe County: 72.4 %Montgomery County: 83.9 %Northampton County: 41.8 %Philadelphia County: 30.3 %Somerset County: 90.8 %Tioga County: 76.5 %Washington County: 27.6 %Westmoreland County: 40.4 %York County: 48.1 %Kent County: 86.7 %Providence County: 51.9 %Washington County: 83.7 %Abbeville County: 91.6 %Aiken County: 89.7 %Anderson County: 93.8 %Berkeley County: 94.9 %Charleston County: 66.4 %Cherokee County: 86 %Chesterfield County: 70.2 %Colleton County: 77 %Darlington County: 91.3 %Edgefield County: 64.6 %Florence County: 68.1 %Georgetown County: 99 %Greenville County: 52.2 %Horry County: 100 %Lexington County: 55.3 %Oconee County: 79.1 %Pickens County: 82.2 %Richland County: 56.3 %Spartanburg County: 45.9 %York County: 90.8 %Brookings County: 90.1 %Brown County: 87.4 %Codington County: 80.6 %Custer County: 92.9 %Hughes County: 96.9 %Jackson County: 94.5 %Meade County: 96.7 %Minnehaha County: 73.5 %Pennington County: 77.6 %Union County: 80.6 %Anderson County: 83 %Blount County: 74.6 %Claiborne County: 93.3 %Davidson County: 40.4 %DeKalb County: 94 %Dyer County: 79.2 %Hamilton County: 62.2 %Jefferson County: 66.1 %Knox County: 45.6 %Lawrence County: 84.5 %Loudon County: 60.7 %McMinn County: 63.9 %Madison County: 76.5 %Maury County: 80.9 %Montgomery County: 70.8 %Putnam County: 71.3 %Roane County: 59.8 %Sevier County: 83 %Shelby County: 58.5 %Sullivan County: 77.3 %Sumner County: 73.3 %Union County: 100 %Williamson County: 89.8 %Wilson County: 82.7 %Bell County: 90.7 %Bexar County: 54.4 %Bowie County: 54.2 %Brazoria County: 85.5 %Brewster County: 82.7 %Cameron County: 60.1 %Collin County: 87.6 %Culberson County: 98.2 %Dallas County: 51.4 %Denton County: 67.8 %Ector County: 79.5 %Ellis County: 63.9 %El Paso County: 33.6 %Fayette County: 78.4 %Galveston County: 70.1 %Gregg County: 91.8 %Harris County: 32.2 %Harrison County: 72.4 %Hidalgo County: 63.4 %Hood County: 92.9 %Hunt County: 95.9 %Jefferson County: 64.8 %Johnson County: 84 %Kaufman County: 76 %Kleberg County: 71.2 %Lubbock County: 96.6 %McLennan County: 89.3 %Maverick County: 71.1 %Montgomery County: 53.8 %Navarro County: 71 %Nueces County: 74.3 %Orange County: 77.3 %Parker County: 91.2 %Polk County: 98.6 %Potter County: 95.6 %Randall County: 87.6 %Rockwall County: 91.9 %Smith County: 94 %Tarrant County: 53.8 %Travis County: 59.8 %Victoria County: 94.3 %Webb County: 60.7 %Box Elder County: 73.5 %Cache County: 65.8 %Carbon County: 73.7 %Davis County: 61.2 %Duchesne County: 73.2 %Garfield County: 100 %Salt Lake County: 45.1 %San Juan County: 84.7 %Tooele County: 68.9 %Uintah County: 63.9 %Utah County: 51.6 %Washington County: 76.8 %Wayne County: 100 %Weber County: 56.6 %Bennington County: 88.8 %Chittenden County: 87.2 %Rutland County: 79.2 %Windham County: 97.2 %Albemarle County: 77.3 %Arlington County: 77.9 %Caroline County: 87.9 %Carroll County: 100 %Charles City County: 90.5 %Chesterfield County: 80 %Fairfax County: 62.3 %Fauquier County: 92.5 %Frederick County: 71.5 %Giles County: 91.5 %Hanover County: 84.1 %Henrico County: 68.4 %King William County: 100 %Loudoun County: 82.5 %Madison County: 83.7 %Prince Edward County: 96 %Prince William County: 88.3 %Roanoke County: 75.4 %Rockbridge County: 90.5 %Rockingham County: 87.4 %Stafford County: 83.9 %Wythe County: 91.8 %Alexandria city: 96.7 %Bristol city: 69.7 %Fredericksburg city: 100 %Hampton city: 84 %Hopewell city: 100 %Lynchburg city: 80 %Norfolk city: 95 %Richmond city: 62.5 %Salem city: 67.5 %Suffolk city: 90.7 %Virginia Beach city: 80.1 %Winchester city: 100 %Adams County: 98 %Asotin County: 77.3 %Benton County: 83.9 %Chelan County: 77.6 %Clallam County: 76.2 %Clark County: 83.1 %Columbia County: 95.2 %Cowlitz County: 91.2 %Franklin County: 95.8 %Grant County: 93.6 %Grays Harbor County: 90.7 %Jefferson County: 96.6 %King County: 65.6 %Kitsap County: 96.6 %Kittitas County: 78.7 %Klickitat County: 92.6 %Lewis County: 92.9 %Mason County: 89.3 %Okanogan County: 60.7 %Pierce County: 73.5 %Skagit County: 90.4 %Snohomish County: 76 %Spokane County: 69.4 %Stevens County: 69.4 %Thurston County: 88.3 %Walla Walla County: 84.5 %Whatcom County: 92.3 %Whitman County: 94 %Yakima County: 57.7 %Berkeley County: 72.9 %Brooke County: 83.1 %Cabell County: 77.1 %Gilmer County: 96.5 %Greenbrier County: 91.3 %Hancock County: 82 %Harrison County: 66.7 %Kanawha County: 69.2 %Marion County: 60 %Marshall County: 54.6 %Monongalia County: 83.1 %Ohio County: 67.4 %Tucker County: 91.6 %Wood County: 69.8 %Ashland County: 95.5 %Brown County: 77 %Columbia County: 88.4 %Dane County: 68.1 %Dodge County: 76.5 %Door County: 84 %Eau Claire County: 74.7 %Fond du Lac County: 87.3 %Forest County: 92.9 %Grant County: 73 %Jefferson County: 87.6 %Kenosha County: 69.9 %Kewaunee County: 86.2 %La Crosse County: 81.1 %Manitowoc County: 85.1 %Marathon County: 91.7 %Milwaukee County: 62 %Outagamie County: 77.9 %Ozaukee County: 75.8 %Racine County: 77.7 %Rock County: 85 %Sauk County: 82 %Sheboygan County: 81.8 %Taylor County: 89.2 %Vilas County: 92.2 %Walworth County: 85.6 %Waukesha County: 60.8 %Albany County: 71.9 %Big Horn County: 97.9 %Campbell County: 68.9 %Carbon County: 91.5 %Converse County: 85 %Fremont County: 81.4 %Goshen County: 77.9 %Laramie County: 83.3 %Lincoln County: 99.2 %Natrona County: 90.2 %Park County: 95 %Platte County: 87.7 %Sheridan County: 89.1 %Sublette County: 78.4 %Sweetwater County: 82.8 %Teton County: 88.5 %Uinta County: 93.2 %Weston County: 88 %

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