US counties by share of days with good air quality (US EPA AQI), 2014

Bradford County 100%, the highest of 1012 counties, 2014

Baldwin County: 74.6 %Clay County: 56.1 %Colbert County: 78.9 %DeKalb County: 78.1 %Elmore County: 91.4 %Etowah County: 75.4 %Houston County: 81.4 %Jefferson County: 18.9 %Lawrence County: 72.1 %Madison County: 78.1 %Mobile County: 72.3 %Montgomery County: 73.2 %Morgan County: 76.7 %Russell County: 67.6 %Shelby County: 73.3 %Sumter County: 96.3 %Talladega County: 52.8 %Tuscaloosa County: 80 %Aleutians East Borough: 98.1 %Anchorage Municipality: 69.4 %Denali Borough: 97.7 %Fairbanks North Star Borough: 42.2 %Juneau City and Borough: 71.5 %Kenai Peninsula Borough: 89.9 %Matanuska-Susitna Borough: 69.6 %Yukon-Koyukuk Census Area: 100 %Apache County: 98.6 %Cochise County: 55.1 %Coconino County: 69.2 %Gila County: 68.8 %La Paz County: 73.7 %Maricopa County: 8.8 %Mohave County: 97.3 %Navajo County: 74.5 %Pima County: 54 %Pinal County: 14 %Santa Cruz County: 68.2 %Yavapai County: 65 %Yuma County: 55.9 %Arkansas County: 60.9 %Ashley County: 59.3 %Clark County: 97.2 %Crittenden County: 79.2 %Garland County: 57 %Jackson County: 59 %Newton County: 88.5 %Polk County: 77.2 %Pulaski County: 40.8 %Union County: 57 %Washington County: 82.2 %Alameda County: 46.3 %Alpine County: 90 %Amador County: 73.3 %Butte County: 34.8 %Calaveras County: 57.9 %Colusa County: 44.7 %Contra Costa County: 41.1 %Del Norte County: 93.9 %El Dorado County: 61.1 %Fresno County: 13.2 %Glenn County: 66.8 %Humboldt County: 41.6 %Imperial County: 6.6 %Inyo County: 60.8 %Kern County: 4.7 %Kings County: 18.9 %Lake County: 93.3 %Los Angeles County: 2.2 %Madera County: 17.3 %Marin County: 35.6 %Mariposa County: 43.8 %Mendocino County: 61.4 %Merced County: 33 %Mono County: 91 %Monterey County: 78.1 %Napa County: 30.4 %Nevada County: 57.8 %Orange County: 9.6 %Placer County: 31.8 %Plumas County: 45.7 %Riverside County: 3 %Sacramento County: 36.4 %San Benito County: 78.4 %San Bernardino County: 5.8 %San Diego County: 13.2 %San Francisco County: 68.2 %San Joaquin County: 30.7 %San Luis Obispo County: 22.2 %San Mateo County: 76.2 %Santa Barbara County: 44.1 %Santa Clara County: 59.2 %Santa Cruz County: 70.1 %Shasta County: 74.5 %Siskiyou County: 90.9 %Solano County: 46.8 %Sonoma County: 70.4 %Stanislaus County: 30.7 %Sutter County: 36.2 %Tehama County: 62.4 %Trinity County: 91.1 %Tulare County: 12.1 %Tuolumne County: 64.1 %Ventura County: 27.7 %Yolo County: 58.9 %Adams County: 60.8 %Alamosa County: 94.5 %Arapahoe County: 71.7 %Archuleta County: 99.7 %Boulder County: 70.6 %Chaffee County: 68.7 %Clear Creek County: 63.3 %Delta County: 99.2 %Denver County: 41.6 %Douglas County: 65.6 %El Paso County: 74.8 %Fremont County: 98.3 %Garfield County: 81.9 %Gunnison County: 84.1 %Jackson County: 93.9 %Jefferson County: 62.5 %La Plata County: 76.4 %Larimer County: 53.7 %Mesa County: 59.2 %Moffat County: 87.4 %Montezuma County: 78.1 %Park County: 68.6 %Pitkin County: 100 %Prowers County: 92.2 %Pueblo County: 88.7 %Rio Blanco County: 72.3 %Routt County: 96.5 %San Juan County: 100 %San Miguel County: 74.8 %Weld County: 65.5 %Kent County: 63.2 %New Castle County: 38.4 %Sussex County: 54.5 %District of Columbia: 39.7 %Alachua County: 78.1 %Baker County: 95.9 %Bay County: 60 %Brevard County: 70.4 %Broward County: 68.2 %Citrus County: 80.8 %Collier County: 72.6 %Columbia County: 84.9 %Duval County: 50.1 %Escambia County: 53.2 %Flagler County: 93.1 %Hamilton County: 48.7 %Highlands County: 93.4 %Hillsborough County: 43 %Holmes County: 56.2 %Indian River County: 90.3 %Lake County: 91.4 %Lee County: 72.6 %Leon County: 43.3 %Liberty County: 97.7 %Manatee County: 91.2 %Marion County: 61.4 %Martin County: 76 %Miami-Dade County: 44.1 %Nassau County: 53.4 %Okaloosa County: 92.3 %Orange County: 65.2 %Osceola County: 90.8 %Palm Beach County: 69.3 %Pasco County: 90.7 %Pinellas County: 58.1 %Polk County: 56.6 %Putnam County: 100 %St. Lucie County: 95.3 %Santa Rosa County: 58.4 %Sarasota County: 55.3 %Seminole County: 89.6 %Volusia County: 66.8 %Wakulla County: 86.5 %Bibb County: 35.6 %Charlton County: 81.9 %Chatham County: 43.2 %Chattooga County: 92.7 %Clarke County: 46.1 %Clayton County: 37.7 %Cobb County: 44.3 %Coffee County: 55.7 %Columbia County: 89.2 %Coweta County: 59.7 %Dawson County: 89 %DeKalb County: 23.6 %Dougherty County: 35.4 %Douglas County: 81.5 %Floyd County: 17.1 %Fulton County: 44.8 %Glynn County: 63.9 %Gwinnett County: 52.3 %Hall County: 35.8 %Henry County: 52.7 %Houston County: 33 %Lowndes County: 48.4 %Murray County: 84.2 %Muscogee County: 49.6 %Paulding County: 34.3 %Pike County: 87.2 %Richmond County: 44.3 %Rockdale County: 85.1 %Sumter County: 93.9 %Walker County: 43.8 %Washington County: 47.4 %Wilkinson County: 40.5 %Hawaii County: 16.5 %Honolulu County: 90.5 %Kauai County: 94.4 %Maui County: 89.4 %Ada County: 75.9 %Bannock County: 82.5 %Benewah County: 55 %Bonner County: 99.4 %Butte County: 93.1 %Canyon County: 94.8 %Custer County: 97.3 %Franklin County: 88.6 %Lemhi County: 49.1 %Shoshone County: 51 %Adams County: 90.1 %Champaign County: 75.9 %Clark County: 87.7 %Cook County: 20.8 %DuPage County: 78.2 %Effingham County: 88.2 %Hamilton County: 76.6 %Jersey County: 76.4 %Jo Daviess County: 91.8 %Kane County: 86.5 %Lake County: 89.3 %McHenry County: 68.1 %McLean County: 86 %Macon County: 58.6 %Macoupin County: 89.7 %Madison County: 45.2 %Peoria County: 55.9 %Randolph County: 69.1 %Rock Island County: 89.1 %St. Clair County: 53.2 %Sangamon County: 89.1 %Will County: 47.2 %Winnebago County: 88.9 %Allen County: 31.2 %Bartholomew County: 64.3 %Boone County: 78.1 %Brown County: 94.1 %Carroll County: 83.2 %Clark County: 36.7 %Delaware County: 76.7 %Dubois County: 40.2 %Elkhart County: 22.8 %Floyd County: 25.2 %Greene County: 68 %Hamilton County: 53.4 %Hancock County: 98.9 %Hendricks County: 95.6 %Henry County: 54.5 %Howard County: 38.7 %Huntington County: 95.5 %Jackson County: 81.2 %Johnson County: 96.6 %Knox County: 89.9 %Lake County: 18.1 %LaPorte County: 64 %Madison County: 45.1 %Marion County: 23.3 %Monroe County: 60.7 %Montgomery County: 35.6 %Morgan County: 81.2 %Perry County: 74.9 %Porter County: 36.1 %Posey County: 81.2 %St. Joseph County: 43.6 %Shelby County: 86.3 %Spencer County: 46.3 %Tippecanoe County: 56.3 %Vanderburgh County: 31.8 %Vigo County: 38.4 %Wabash County: 90.5 %Warrick County: 76.5 %Whitley County: 48.6 %Black Hawk County: 25 %Bremer County: 92 %Cerro Gordo County: 99.4 %Clinton County: 29.9 %Delaware County: 60.3 %Harrison County: 87.7 %Johnson County: 55.2 %Lee County: 51.2 %Linn County: 51.2 %Montgomery County: 53.8 %Muscatine County: 43 %Palo Alto County: 52.8 %Polk County: 62.2 %Pottawattamie County: 59.7 %Scott County: 12.3 %Story County: 88.8 %Van Buren County: 49.4 %Warren County: 93.4 %Woodbury County: 68.3 %Chase County: 70 %Ford County: 99.2 %Johnson County: 85.2 %Leavenworth County: 91.2 %Linn County: 100 %Neosho County: 77.3 %Sedgwick County: 67.7 %Shawnee County: 80.3 %Sherman County: 100 %Sumner County: 80.2 %Trego County: 78.2 %Wyandotte County: 43.3 %Bell County: 78.2 %Boone County: 94.3 %Boyd County: 67.7 %Bullitt County: 87.4 %Campbell County: 52.7 %Carter County: 79.9 %Christian County: 70.4 %Daviess County: 61.6 %Edmonson County: 80.8 %Fayette County: 58.9 %Greenup County: 88.9 %Hancock County: 83.5 %Hardin County: 50.4 %Henderson County: 60.6 %Jefferson County: 24.7 %Jessamine County: 82 %Livingston County: 86.7 %McCracken County: 63.3 %Madison County: 60 %Marshall County: 100 %Morgan County: 93.5 %Oldham County: 83.7 %Perry County: 57.7 %Pike County: 49 %Pulaski County: 71 %Simpson County: 88.6 %Trigg County: 89.6 %Warren County: 65.5 %Washington County: 86.7 %Ascension Parish: 90.1 %Bossier Parish: 48.6 %Caddo Parish: 76.4 %Calcasieu Parish: 55.1 %East Baton Rouge Parish: 35.1 %Iberville Parish: 74.5 %Jefferson Parish: 56.4 %Lafayette Parish: 33.8 %Lafourche Parish: 73.8 %Livingston Parish: 37.4 %Orleans Parish: 67.6 %Ouachita Parish: 52.2 %Pointe Coupee Parish: 92.4 %Rapides Parish: 41.7 %St. Bernard Parish: 39.8 %St. Charles Parish: 93.4 %St. James Parish: 92.4 %St. John the Baptist Parish: 91.5 %St. Tammany Parish: 62.7 %Tangipahoa Parish: 66.9 %Terrebonne Parish: 71.9 %West Baton Rouge Parish: 46.3 %Androscoggin County: 70.6 %Aroostook County: 60.5 %Cumberland County: 71.2 %Hancock County: 93.4 %Kennebec County: 97.6 %Knox County: 94.6 %Oxford County: 95.6 %Penobscot County: 81.9 %Sagadahoc County: 96.3 %Washington County: 98.9 %York County: 90.2 %Anne Arundel County: 70.5 %Baltimore County: 70.4 %Calvert County: 73.2 %Carroll County: 76.2 %Cecil County: 55.6 %Charles County: 82.8 %Dorchester County: 59.7 %Frederick County: 82.2 %Garrett County: 72.3 %Harford County: 45.1 %Howard County: 27.6 %Kent County: 63 %Montgomery County: 55.2 %Prince George's County: 43.8 %Washington County: 61.4 %Baltimore city: 40 %Barnstable County: 95.6 %Berkshire County: 45.1 %Bristol County: 66.6 %Dukes County: 93.6 %Essex County: 66.8 %Franklin County: 58.6 %Hampden County: 58.4 %Hampshire County: 62.5 %Middlesex County: 94.7 %Norfolk County: 78.4 %Plymouth County: 63.1 %Suffolk County: 33.4 %Worcester County: 66.3 %Allegan County: 68.3 %Bay County: 58.9 %Benzie County: 85.7 %Berrien County: 63.6 %Cass County: 71.9 %Chippewa County: 80.6 %Clinton County: 81.3 %Genesee County: 53.4 %Huron County: 91 %Ingham County: 56.3 %Kalamazoo County: 48.2 %Kent County: 47.7 %Keweenaw County: 93 %Lenawee County: 50.4 %Macomb County: 69.3 %Manistee County: 83.4 %Mason County: 85.2 %Missaukee County: 76.2 %Monroe County: 51.7 %Muskegon County: 80.3 %Oakland County: 68.6 %Ottawa County: 78.5 %St. Clair County: 51.2 %Schoolcraft County: 83.5 %Tuscola County: 94.2 %Washtenaw County: 47.7 %Wayne County: 21.1 %Wexford County: 94.4 %Anoka County: 72.8 %Becker County: 78.9 %Beltrami County: 83 %Carlton County: 98.3 %Cook County: 92.3 %Crow Wing County: 84.7 %Dakota County: 76.4 %Goodhue County: 91.7 %Hennepin County: 44.4 %Lake County: 84.9 %Lyon County: 79.7 %Mille Lacs County: 97.7 %Olmsted County: 74 %Ramsey County: 52.6 %Rock County: 82.9 %St. Louis County: 59.2 %Scott County: 83.3 %Stearns County: 79.6 %Washington County: 62.7 %Winona County: 70.2 %Wright County: 79.6 %Bolivar County: 93.3 %DeSoto County: 52.9 %Forrest County: 44.3 %Hancock County: 89.7 %Harrison County: 51 %Hinds County: 29 %Jackson County: 89.2 %Lauderdale County: 94.2 %Lee County: 95.5 %Yalobusha County: 97.8 %Andrew County: 85.8 %Boone County: 88.8 %Buchanan County: 43.3 %Callaway County: 90.1 %Cass County: 43.1 %Cedar County: 62.9 %Clay County: 55.9 %Clinton County: 83.9 %Greene County: 57 %Jackson County: 52.1 %Jasper County: 78.6 %Jefferson County: 47.4 %Lincoln County: 83.6 %Monroe County: 94.5 %Perry County: 82.2 %St. Charles County: 77.6 %Ste. Genevieve County: 63 %St. Louis County: 51.2 %Stoddard County: 64.2 %Taney County: 87.1 %St. Louis city: 30.4 %Cascade County: 67.3 %Fergus County: 92.3 %Flathead County: 69.6 %Gallatin County: 78.6 %Lake County: 94.9 %Lewis and Clark County: 73.4 %Lincoln County: 57.3 %Missoula County: 47.4 %Phillips County: 92.5 %Powder River County: 82.4 %Powell County: 93.2 %Ravalli County: 73.4 %Richland County: 81.4 %Roosevelt County: 96.3 %Rosebud County: 80.3 %Sanders County: 97.3 %Sheridan County: 95.6 %Silver Bow County: 64.1 %Yellowstone County: 76.2 %Cass County: 88.5 %Dawson County: 96.7 %Douglas County: 56.4 %Garden County: 96.5 %Hall County: 75.8 %Knox County: 93 %Lancaster County: 83 %Sarpy County: 64.5 %Scotts Bluff County: 88.8 %Thomas County: 97.9 %Washington County: 73.4 %Churchill County: 72.5 %Clark County: 19.7 %Douglas County: 70.1 %Elko County: 91.6 %Lyon County: 69.3 %Nye County: 92.9 %Washoe County: 39.2 %White Pine County: 86.7 %Carson City: 67.4 %Belknap County: 94.4 %Cheshire County: 56.7 %Coos County: 85.2 %Grafton County: 77.3 %Hillsborough County: 82.2 %Merrimack County: 87.2 %Rockingham County: 43 %Atlantic County: 85.7 %Bergen County: 78 %Camden County: 48.5 %Cumberland County: 94 %Essex County: 70.7 %Gloucester County: 70.2 %Hudson County: 47.1 %Hunterdon County: 67.5 %Mercer County: 49 %Middlesex County: 77.1 %Monmouth County: 89.9 %Morris County: 75 %Ocean County: 69.8 %Passaic County: 75.3 %Union County: 38.6 %Warren County: 84.7 %Bernalillo County: 42.7 %Catron County: 99.1 %Chaves County: 78.9 %Doña Ana County: 49 %Eddy County: 72.5 %Grant County: 87.4 %Lea County: 69.4 %Lincoln County: 92.2 %Los Alamos County: 100 %Luna County: 83.8 %Rio Arriba County: 78.8 %Sandoval County: 87.8 %San Juan County: 74.5 %Santa Fe County: 83.6 %Socorro County: 97.9 %Taos County: 98 %Valencia County: 82.1 %Albany County: 71 %Bronx County: 49 %Chautauqua County: 83.8 %Dutchess County: 93 %Erie County: 43.3 %Essex County: 94 %Franklin County: 98.8 %Hamilton County: 96.9 %Herkimer County: 98 %Jefferson County: 97 %Kings County: 67.4 %Monroe County: 71.2 %Nassau County: 72.4 %New York County: 43 %Niagara County: 93.3 %Oneida County: 75.8 %Onondaga County: 84.4 %Orange County: 73.2 %Oswego County: 98.3 %Putnam County: 94.5 %Queens County: 54.2 %Richmond County: 54 %Rockland County: 72.3 %Saratoga County: 97.5 %Steuben County: 87.1 %Suffolk County: 66.8 %Tompkins County: 94.6 %Wayne County: 93.9 %Westchester County: 64.9 %Alamance County: 57.5 %Alexander County: 88.8 %Avery County: 87.6 %Buncombe County: 62.1 %Caldwell County: 91.9 %Carteret County: 92.4 %Caswell County: 43.4 %Catawba County: 58.7 %Chatham County: 81.8 %Cumberland County: 54.1 %Davidson County: 38.4 %Davie County: 77.1 %Duplin County: 44.2 %Durham County: 59.5 %Edgecombe County: 65 %Forsyth County: 42.2 %Franklin County: 89.6 %Gaston County: 64.1 %Graham County: 81.2 %Granville County: 79 %Guilford County: 51.6 %Haywood County: 65.4 %Hyde County: 85 %Jackson County: 70.5 %Johnston County: 80.6 %Lee County: 47.9 %Lenoir County: 82.7 %Lincoln County: 85.4 %McDowell County: 63.6 %Macon County: 93.8 %Martin County: 52.6 %Mecklenburg County: 42.5 %Mitchell County: 65.8 %Montgomery County: 50.4 %New Hanover County: 65.2 %Person County: 88.8 %Pitt County: 78.9 %Robeson County: 55.8 %Rockingham County: 78.5 %Rowan County: 52.1 %Swain County: 62.4 %Union County: 77.6 %Wake County: 34 %Watauga County: 72.4 %Wayne County: 24.2 %Yancey County: 78.9 %Billings County: 97.8 %Burke County: 86.8 %Burleigh County: 86.6 %Cass County: 78.1 %Dunn County: 91.7 %McKenzie County: 91.8 %Mercer County: 89.3 %Oliver County: 89 %Williams County: 80.8 %Adams County: 77.4 %Allen County: 72.1 %Ashtabula County: 82.6 %Athens County: 64.3 %Butler County: 64.3 %Clark County: 47.9 %Clermont County: 34.3 %Clinton County: 76.9 %Columbiana County: 100 %Cuyahoga County: 40.5 %Delaware County: 87.9 %Fayette County: 90.8 %Franklin County: 35.3 %Geauga County: 82.2 %Greene County: 42.3 %Hamilton County: 17 %Jefferson County: 27.1 %Knox County: 83.6 %Lake County: 47.1 %Lawrence County: 44.7 %Licking County: 89.7 %Lorain County: 73.3 %Lucas County: 42.8 %Madison County: 82.4 %Mahoning County: 42.4 %Medina County: 76.2 %Miami County: 84.6 %Montgomery County: 43.6 %Noble County: 80.3 %Portage County: 79.3 %Preble County: 51 %Scioto County: 86.3 %Stark County: 53.4 %Summit County: 79.2 %Trumbull County: 41.9 %Warren County: 24 %Washington County: 84.5 %Wood County: 87.9 %Adair County: 56.4 %Bryan County: 88 %Caddo County: 98.7 %Canadian County: 83.8 %Cherokee County: 91.2 %Cleveland County: 51.8 %Comanche County: 57 %Creek County: 91.2 %Dewey County: 58.4 %Ellis County: 82.8 %Jefferson County: 83.1 %Kay County: 30.7 %Lincoln County: 84.2 %Love County: 62.2 %McClain County: 85.5 %Mayes County: 91.6 %Muskogee County: 86.4 %Oklahoma County: 51.8 %Ottawa County: 50.8 %Pittsburg County: 55.2 %Sequoyah County: 78.5 %Tulsa County: 44.1 %Baker County: 77.8 %Benton County: 87.4 %Clackamas County: 86.3 %Columbia County: 92.5 %Crook County: 68.5 %Deschutes County: 81.9 %Douglas County: 82.7 %Grant County: 60.2 %Harney County: 63.3 %Jackson County: 59.7 %Jefferson County: 63.4 %Josephine County: 72.3 %Klamath County: 60.8 %Lake County: 75.8 %Lane County: 52.1 %Linn County: 75.6 %Marion County: 78.6 %Multnomah County: 79.5 %Umatilla County: 75.6 %Union County: 70.2 %Wallowa County: 82.7 %Wasco County: 83.8 %Washington County: 77 %Adams County: 60.8 %Allegheny County: 27.1 %Armstrong County: 37.6 %Beaver County: 41.1 %Berks County: 42.5 %Blair County: 41.4 %Bradford County: 100 %Bucks County: 40 %Cambria County: 41.4 %Centre County: 48.5 %Chester County: 42.4 %Clearfield County: 95.1 %Cumberland County: 38.7 %Dauphin County: 40.8 %Delaware County: 26.3 %Elk County: 94.2 %Erie County: 42.6 %Franklin County: 92.3 %Greene County: 90.3 %Indiana County: 91.8 %Lackawanna County: 50.7 %Lancaster County: 15.9 %Lawrence County: 92.3 %Lebanon County: 35.1 %Lehigh County: 91.5 %Luzerne County: 94.5 %Lycoming County: 94.2 %Mercer County: 31.2 %Monroe County: 58.2 %Montgomery County: 57.5 %Northampton County: 40.5 %Perry County: 94 %Philadelphia County: 13.7 %Somerset County: 95.6 %Tioga County: 90.1 %Washington County: 21.6 %Westmoreland County: 44.1 %York County: 42.5 %Kent County: 89 %Providence County: 55.3 %Washington County: 90.4 %Abbeville County: 95.2 %Aiken County: 88.3 %Anderson County: 91.3 %Berkeley County: 93.9 %Charleston County: 52.9 %Cherokee County: 80.3 %Chesterfield County: 41.9 %Colleton County: 69.3 %Darlington County: 85.2 %Edgefield County: 69.6 %Florence County: 36.8 %Georgetown County: 99.4 %Greenville County: 52.6 %Lexington County: 50.5 %Oconee County: 70.9 %Pickens County: 90 %Richland County: 40.8 %Spartanburg County: 49.5 %York County: 97.5 %Brookings County: 85.1 %Brown County: 86.6 %Codington County: 89.6 %Custer County: 98.4 %Jackson County: 90.8 %Meade County: 97.8 %Minnehaha County: 69.7 %Pennington County: 70.7 %Union County: 66.8 %Anderson County: 90.1 %Blount County: 71.2 %Claiborne County: 91.6 %Davidson County: 35.1 %DeKalb County: 94.7 %Dyer County: 56.9 %Hamilton County: 67.2 %Jefferson County: 77.6 %Knox County: 39.8 %Lawrence County: 64.6 %Loudon County: 66.2 %McMinn County: 74.7 %Madison County: 59.3 %Maury County: 62.9 %Montgomery County: 58.7 %Putnam County: 57.8 %Roane County: 32.7 %Sevier County: 78.8 %Shelby County: 40.3 %Sullivan County: 77.5 %Sumner County: 70 %Union County: 97.3 %Williamson County: 89.7 %Wilson County: 89.9 %Bell County: 83.8 %Bexar County: 35.3 %Bowie County: 47.9 %Brazoria County: 90.4 %Brewster County: 80.4 %Cameron County: 47.4 %Collin County: 82.8 %Culberson County: 86.9 %Dallas County: 39.7 %Denton County: 54.2 %Ector County: 63.8 %Ellis County: 52.9 %El Paso County: 30.1 %Fayette County: 67.9 %Galveston County: 67.7 %Gregg County: 93.4 %Harris County: 18.6 %Harrison County: 65.2 %Hidalgo County: 55.6 %Hood County: 86.3 %Hunt County: 93.4 %Jefferson County: 49.3 %Johnson County: 85 %Kaufman County: 64.9 %Kleberg County: 62.1 %Lubbock County: 71.3 %McLennan County: 64.7 %Maverick County: 52.5 %Montgomery County: 51 %Navarro County: 59.1 %Nueces County: 56.7 %Orange County: 63.6 %Parker County: 84.2 %Polk County: 95.8 %Potter County: 83.1 %Randall County: 82.2 %Rockwall County: 87.2 %Smith County: 90.1 %Tarrant County: 49 %Travis County: 48.2 %Victoria County: 95 %Webb County: 45.2 %Wichita County: 95.9 %Box Elder County: 70.1 %Cache County: 68.8 %Carbon County: 77 %Daggett County: 81.6 %Davis County: 72.6 %Duchesne County: 73.4 %Garfield County: 94 %Salt Lake County: 55.1 %San Juan County: 78.3 %Tooele County: 79.2 %Uintah County: 62.7 %Utah County: 59.2 %Washington County: 77.8 %Wayne County: 100 %Weber County: 47.1 %Bennington County: 79.6 %Chittenden County: 78.9 %Rutland County: 60.5 %Windham County: 94.2 %Albemarle County: 69.8 %Arlington County: 79.5 %Caroline County: 88.6 %Carroll County: 100 %Charles City County: 84.8 %Chesterfield County: 77.6 %Fairfax County: 60.3 %Fauquier County: 95.3 %Frederick County: 61.3 %Giles County: 91.2 %Hanover County: 87.5 %Henrico County: 57.8 %King William County: 100 %Loudoun County: 80.3 %Madison County: 80.8 %Page County: 78.5 %Prince Edward County: 94 %Prince William County: 91.5 %Roanoke County: 63.3 %Rockbridge County: 83.6 %Rockingham County: 83.1 %Stafford County: 88.8 %Wythe County: 90.6 %Alexandria city: 98.6 %Bristol city: 56.3 %Fredericksburg city: 100 %Hampton city: 73.6 %Hopewell city: 100 %Lynchburg city: 72.2 %Norfolk city: 87.1 %Richmond city: 99.7 %Salem city: 58.3 %Suffolk city: 85.5 %Virginia Beach city: 66.6 %Winchester city: 100 %Adams County: 91.6 %Asotin County: 76.2 %Benton County: 84.8 %Chelan County: 64.6 %Clallam County: 76.4 %Clark County: 72.9 %Columbia County: 90.8 %Cowlitz County: 84.8 %Franklin County: 87.5 %Grant County: 83 %Grays Harbor County: 87.4 %Jefferson County: 88.3 %King County: 51.5 %Kitsap County: 92.8 %Kittitas County: 84.2 %Klickitat County: 95.8 %Lewis County: 85.5 %Mason County: 87.4 %Okanogan County: 55.3 %Pierce County: 68.8 %Skagit County: 87.4 %Snohomish County: 66 %Spokane County: 63 %Stevens County: 61.1 %Thurston County: 81 %Walla Walla County: 90.3 %Whatcom County: 69.6 %Whitman County: 88.2 %Yakima County: 62.2 %Berkeley County: 71.2 %Brooke County: 80.3 %Cabell County: 74.2 %Gilmer County: 97.2 %Greenbrier County: 87.7 %Hancock County: 78.9 %Harrison County: 56.7 %Kanawha County: 75 %Marion County: 49.6 %Marshall County: 37.8 %Monongalia County: 77 %Ohio County: 68.2 %Raleigh County: 100 %Tucker County: 90 %Wood County: 71 %Ashland County: 96 %Brown County: 59.5 %Columbia County: 86.7 %Dane County: 54.5 %Dodge County: 64.7 %Door County: 86.2 %Eau Claire County: 78.8 %Fond du Lac County: 85.1 %Forest County: 86.3 %Grant County: 64.8 %Jefferson County: 82.6 %Kenosha County: 48.8 %Kewaunee County: 87.1 %La Crosse County: 74.3 %Manitowoc County: 89.6 %Marathon County: 92.3 %Milwaukee County: 45.5 %Outagamie County: 53.7 %Ozaukee County: 72.1 %Rock County: 83.1 %Sauk County: 70.7 %Sheboygan County: 80.1 %Taylor County: 78.1 %Vilas County: 89.4 %Walworth County: 82.4 %Waukesha County: 52.8 %Albany County: 76.7 %Big Horn County: 86.9 %Campbell County: 69.3 %Carbon County: 89.6 %Converse County: 84.4 %Fremont County: 80.5 %Goshen County: 91.4 %Johnson County: 97.4 %Laramie County: 77.8 %Lincoln County: 98.1 %Natrona County: 89.6 %Park County: 92.6 %Platte County: 96.7 %Sheridan County: 92.1 %Sublette County: 74.5 %Sweetwater County: 67.7 %Teton County: 86.8 %Uinta County: 90.7 %Weston County: 90.4 %

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