# US counties by highest daily Air Quality Index (US EPA), 2019

All 1000 values come from U.S. Environmental Protection Agency for 2019, so the places are comparable. 498 counties have no value for that period and are not ranked.

- Indicator id: `aqi_max`
- Unit: index
- Definition: Highest daily Air Quality Index (AQI) value recorded in a US county during the year, from the EPA AirData annual summaries. Values above 500 are beyond the AQI scale and are published as EPA computes them.
- Source: U.S. Environmental Protection Agency, EPA AirData annual AQI by county: highest daily AQI (https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual)
- Publisher page: https://invokely.ai/en/publishers/environmental-protection-agency
- Retrieved: 2026-10-12
- Citation: U.S. Environmental Protection Agency, Air Quality System, AirData. EPA AirData annual AQI by county: highest daily AQI. https://aqs.epa.gov/aqsweb/airdata/download_files.html#Annual. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/highest-daily-air-quality-index/us-counties

| Rank | Place | index |
|---:|---|---:|
| 1 | Mono County | 4,227 |
| 2 | Pinal County | 929 |
| 3 | Inyo County | 653 |
| 4 | Doña Ana County | 645 |
| 5 | Luna County | 630 |
| 6 | Kern County | 553 |
| 7 | Kings County | 508 |
| 8 | Fairbanks North Star Borough | 503 |
| 9 | Tulare County | 280 |
| 10 | San Juan County | 268 |
| 11 | San Bernardino County | 213 |
| 12 | Uintah County | 205 |
| 13 | Harris County | 202 |
| 14 | Los Angeles County | 201 |
| 15 | Sublette County | 200 |
| 16 | Beltrami County | 191 |
| 17 | Jackson County | 190 |
| 17 | San Joaquin County | 190 |
| 19 | Fresno County | 187 |
| 20 | Bethel Census Area | 185 |
| 20 | Imperial County | 185 |
| 20 | Mariposa County | 185 |
| 20 | Riverside County | 185 |
| 24 | Aroostook County | 182 |
| 25 | Butte County | 180 |
| 26 | Duchesne County | 177 |
| 26 | Stanislaus County | 177 |
| 28 | Bexar County | 175 |
| 28 | Josephine County | 175 |
| 30 | DuPage County | 174 |
| 30 | Eddy County | 174 |
| 32 | Fulton County | 172 |
| 32 | Orange County | 172 |
| 34 | Maui County | 171 |
| 35 | Berks County | 170 |
| 35 | Boise County | 170 |
| 37 | Muskogee County | 169 |
| 37 | San Diego County | 169 |
| 39 | Allegheny County | 165 |
| 40 | Siskiyou County | 164 |
| 41 | Anchorage Municipality | 163 |
| 42 | Brazoria County | 161 |
| 42 | Dauphin County | 161 |
| 42 | Shawnee County | 161 |
| 45 | DeKalb County | 159 |
| 45 | District of Columbia | 159 |
| 45 | El Paso County | 159 |
| 45 | Lancaster County | 159 |
| 45 | Yellowstone County | 159 |
| 50 | Cass County | 157 |
| 51 | Collin County | 156 |
| 51 | Madison County | 156 |
| 53 | Benewah County | 155 |
| 54 | Deschutes County | 154 |
| 54 | Douglas County | 154 |
| 56 | Denver County | 153 |
| 56 | Houston County | 153 |
| 56 | Missoula County | 153 |
| 59 | St. Charles County | 151 |
| 60 | Alameda County | 150 |
| 60 | Baltimore County | 150 |
| 60 | Bergen County | 150 |
| 60 | Cecil County | 150 |
| 60 | Cumberland County | 150 |
| 60 | Henry County | 150 |
| 60 | Jefferson County | 150 |
| 60 | Jefferson County | 150 |
| 60 | Ocean County | 150 |
| 60 | Suffolk County | 150 |
| 70 | Shelby County | 148 |
| 71 | Cache County | 147 |
| 71 | Maricopa County | 147 |
| 71 | Pike County | 147 |
| 71 | Tarrant County | 147 |
| 75 | Gila County | 146 |
| 75 | Miami-Dade County | 146 |
| 75 | Nye County | 146 |
| 75 | Stevens County | 146 |
| 79 | Juneau City and Borough | 145 |
| 79 | Powder River County | 145 |
| 81 | Lewis and Clark County | 144 |
| 81 | Monterey County | 144 |
| 83 | Anne Arundel County | 143 |
| 83 | Dallas County | 143 |
| 83 | Johnson County | 143 |
| 83 | Lucas County | 143 |
| 83 | Montgomery County | 143 |
| 83 | St. Louis County | 143 |
| 89 | Lebanon County | 142 |
| 89 | Pierce County | 142 |
| 89 | Wayne County | 142 |
| 92 | Arapahoe County | 140 |
| 92 | Clermont County | 140 |
| 92 | Kenai Peninsula Borough | 140 |
| 92 | Lea County | 140 |
| 92 | Madera County | 140 |
| 92 | Philadelphia County | 140 |
| 92 | Sacramento County | 140 |
| 99 | Plumas County | 138 |
| 100 | Bibb County | 137 |
| 100 | Routt County | 137 |
| 100 | Wyandotte County | 137 |
| 103 | Bucks County | 136 |
| 103 | DeSoto County | 136 |
| 103 | Galveston County | 136 |
| 103 | Jefferson County | 136 |
| 103 | Mecklenburg County | 136 |
| 103 | Mercer County | 136 |
| 103 | New Castle County | 136 |
| 103 | New York County | 136 |
| 103 | Placer County | 136 |
| 103 | Salt Lake County | 136 |
| 103 | Santa Clara County | 136 |
| 103 | Yolo County | 136 |
| 115 | Cook County | 133 |
| 115 | Delaware County | 133 |
| 115 | Denton County | 133 |
| 115 | Gloucester County | 133 |
| 115 | Harford County | 133 |
| 115 | Hood County | 133 |
| 115 | Lemhi County | 133 |
| 115 | Marin County | 133 |
| 115 | Muskegon County | 133 |
| 115 | Smith County | 133 |
| 115 | Sweetwater County | 133 |
| 115 | York County | 133 |
| 127 | Adams County | 132 |
| 127 | Beaver County | 132 |
| 129 | Harney County | 131 |
| 130 | Contra Costa County | 129 |
| 130 | Jefferson County | 129 |
| 130 | Larimer County | 129 |
| 130 | Montgomery County | 129 |
| 130 | Rockdale County | 129 |
| 130 | St. Louis city | 129 |
| 130 | Weld County | 129 |
| 130 | Yuma County | 129 |
| 138 | Clark County | 128 |
| 139 | Berkeley County | 127 |
| 139 | Matanuska-Susitna Borough | 127 |
| 139 | Yakima County | 127 |
| 142 | Baltimore city | 126 |
| 142 | Brookings County | 126 |
| 142 | Camden County | 126 |
| 142 | Clear Creek County | 126 |
| 142 | Dawson County | 126 |
| 142 | Dorchester County | 126 |
| 142 | Douglas County | 126 |
| 142 | Dukes County | 126 |
| 142 | Hillsborough County | 126 |
| 142 | Klamath County | 126 |
| 142 | Lafourche Parish | 126 |
| 142 | LaPorte County | 126 |
| 142 | McHenry County | 126 |
| 142 | Ventura County | 126 |
| 142 | Washington County | 126 |
| 157 | Asotin County | 125 |
| 157 | Cass County | 125 |
| 159 | Archuleta County | 124 |
| 160 | Jefferson County | 123 |
| 161 | Anoka County | 122 |
| 161 | Clark County | 122 |
| 161 | Dodge County | 122 |
| 161 | El Dorado County | 122 |
| 161 | Essex County | 122 |
| 161 | Fremont County | 122 |
| 161 | Jefferson County | 122 |
| 161 | Montgomery County | 122 |
| 161 | Nevada County | 122 |
| 161 | Oakland County | 122 |
| 161 | Osceola County | 122 |
| 161 | Passaic County | 122 |
| 161 | Prince George's County | 122 |
| 161 | San Mateo County | 122 |
| 161 | Warren County | 122 |
| 176 | Box Elder County | 121 |
| 177 | Santa Cruz County | 120 |
| 178 | Boulder County | 119 |
| 178 | Cobb County | 119 |
| 178 | Davis County | 119 |
| 178 | Geauga County | 119 |
| 178 | Hamilton County | 119 |
| 178 | Hamilton County | 119 |
| 178 | Iberville Parish | 119 |
| 178 | Jersey County | 119 |
| 178 | Kenosha County | 119 |
| 178 | Lehigh County | 119 |
| 178 | Leon County | 119 |
| 178 | Merced County | 119 |
| 178 | Napa County | 119 |
| 178 | Neosho County | 119 |
| 178 | Oklahoma County | 119 |
| 178 | Outagamie County | 119 |
| 178 | Polk County | 119 |
| 178 | Queens County | 119 |
| 178 | Shelby County | 119 |
| 178 | Solano County | 119 |
| 178 | Sullivan County | 119 |
| 199 | Nowata County | 118 |
| 200 | Lane County | 117 |
| 200 | Pennington County | 117 |
| 200 | Shoshone County | 117 |
| 200 | Tooele County | 117 |
| 204 | Washington County | 116 |
| 205 | Allegan County | 115 |
| 205 | Amador County | 115 |
| 205 | Blount County | 115 |
| 205 | Bonner County | 115 |
| 205 | Bronx County | 115 |
| 205 | Chester County | 115 |
| 205 | Gilpin County | 115 |
| 205 | Lake County | 115 |
| 205 | Lake County | 115 |
| 205 | Middlesex County | 115 |
| 205 | Porter County | 115 |
| 205 | Racine County | 115 |
| 205 | Rock Island County | 115 |
| 205 | Summit County | 115 |
| 205 | Travis County | 115 |
| 205 | Waukesha County | 115 |
| 205 | York County | 115 |
| 222 | Duval County | 114 |
| 222 | Northampton County | 114 |
| 222 | Snohomish County | 114 |
| 225 | Chase County | 113 |
| 225 | Trinity County | 113 |
| 227 | Arlington County | 112 |
| 227 | Ashtabula County | 112 |
| 227 | Berrien County | 112 |
| 227 | Brooke County | 112 |
| 227 | Carbon County | 112 |
| 227 | Door County | 112 |
| 227 | Franklin County | 112 |
| 227 | Frederick County | 112 |
| 227 | Gregg County | 112 |
| 227 | Gwinnett County | 112 |
| 227 | Kane County | 112 |
| 227 | Loudoun County | 112 |
| 227 | Marion County | 112 |
| 227 | Navajo County | 112 |
| 227 | Pointe Coupee Parish | 112 |
| 227 | Randall County | 112 |
| 227 | Rockingham County | 112 |
| 227 | Rockland County | 112 |
| 227 | Scott County | 112 |
| 227 | St. Bernard Parish | 112 |
| 227 | Walworth County | 112 |
| 248 | Campbell County | 111 |
| 249 | Seminole County | 110 |
| 249 | Sutter County | 110 |
| 251 | Bowie County | 109 |
| 251 | Webb County | 109 |
| 253 | Anderson County | 108 |
| 253 | Bernalillo County | 108 |
| 253 | Calaveras County | 108 |
| 253 | Campbell County | 108 |
| 253 | Carbon County | 108 |
| 253 | Chaffee County | 108 |
| 253 | Culberson County | 108 |
| 253 | Cuyahoga County | 108 |
| 253 | East Baton Rouge Parish | 108 |
| 253 | Howard County | 108 |
| 253 | Hunterdon County | 108 |
| 253 | Jasper County | 108 |
| 253 | Lee County | 108 |
| 253 | Manatee County | 108 |
| 253 | Ozaukee County | 108 |
| 253 | Platte County | 108 |
| 253 | Rosebud County | 108 |
| 253 | San Francisco County | 108 |
| 253 | San Luis Obispo County | 108 |
| 253 | Sheboygan County | 108 |
| 253 | St. Clair County | 108 |
| 253 | St. Clair County | 108 |
| 253 | Tuolumne County | 108 |
| 253 | Weber County | 108 |
| 277 | Dougherty County | 107 |
| 277 | Nueces County | 107 |
| 277 | Sauk County | 107 |
| 277 | Spokane County | 107 |
| 277 | Utah County | 107 |
| 282 | Cascade County | 106 |
| 282 | Hidalgo County | 106 |
| 282 | Kay County | 106 |
| 282 | Lake County | 106 |
| 286 | Anderson County | 105 |
| 286 | Atlantic County | 105 |
| 286 | Becker County | 105 |
| 286 | Bell County | 105 |
| 286 | Canadian County | 105 |
| 286 | Chautauqua County | 105 |
| 286 | Clark County | 105 |
| 286 | Cumberland County | 105 |
| 286 | Fairfax County | 105 |
| 286 | Garfield County | 105 |
| 286 | Hamilton County | 105 |
| 286 | Hancock County | 105 |
| 286 | Jackson County | 105 |
| 286 | Jefferson County | 105 |
| 286 | Milwaukee County | 105 |
| 286 | Minnehaha County | 105 |
| 286 | Oldham County | 105 |
| 286 | Pittsburg County | 105 |
| 286 | Rockwall County | 105 |
| 286 | Santa Barbara County | 105 |
| 286 | Spartanburg County | 105 |
| 286 | Tulsa County | 105 |
| 286 | Union County | 105 |
| 286 | Westchester County | 105 |
| 310 | Grant County | 104 |
| 310 | Linn County | 104 |
| 310 | Maverick County | 104 |
| 310 | Ottawa County | 104 |
| 310 | Umatilla County | 104 |
| 315 | Crook County | 103 |
| 315 | Flathead County | 103 |
| 315 | Grant County | 103 |
| 315 | Lubbock County | 103 |
| 315 | Pima County | 103 |
| 315 | Wallowa County | 103 |
| 315 | Warren County | 103 |
| 322 | Chelan County | 102 |
| 322 | Lincoln County | 102 |
| 322 | Vigo County | 102 |
| 322 | Washington County | 102 |
| 322 | Winnebago County | 102 |
| 327 | Allen County | 101 |
| 327 | Ascension Parish | 101 |
| 327 | Butler County | 101 |
| 327 | Carroll County | 101 |
| 327 | Clackamas County | 101 |
| 327 | Clark County | 101 |
| 327 | Converse County | 101 |
| 327 | Creek County | 101 |
| 327 | Crittenden County | 101 |
| 327 | Crow Wing County | 101 |
| 327 | Davidson County | 101 |
| 327 | Daviess County | 101 |
| 327 | Escambia County | 101 |
| 327 | Franklin County | 101 |
| 327 | Gunnison County | 101 |
| 327 | Kent County | 101 |
| 327 | Lake County | 101 |
| 327 | Lake County | 101 |
| 327 | Macomb County | 101 |
| 327 | Madison County | 101 |
| 327 | Manistee County | 101 |
| 327 | Mesa County | 101 |
| 327 | Park County | 101 |
| 327 | Peoria County | 101 |
| 327 | Putnam County | 101 |
| 327 | Richmond County | 101 |
| 327 | Santa Fe County | 101 |
| 327 | St. Louis County | 101 |
| 327 | Uinta County | 101 |
| 327 | White Pine County | 101 |
| 357 | Ada County | 100 |
| 357 | Champaign County | 100 |
| 357 | Clinton County | 100 |
| 357 | Cumberland County | 100 |
| 357 | El Paso County | 100 |
| 357 | Elmore County | 100 |
| 357 | Essex County | 100 |
| 357 | Fond du Lac County | 100 |
| 357 | Henrico County | 100 |
| 357 | Hinds County | 100 |
| 357 | Jefferson County | 100 |
| 357 | Lincoln County | 100 |
| 357 | Manitowoc County | 100 |
| 357 | Mayes County | 100 |
| 357 | McLean County | 100 |
| 357 | Monmouth County | 100 |
| 357 | Navarro County | 100 |
| 357 | Norfolk County | 100 |
| 357 | Orange County | 100 |
| 357 | Ottawa County | 100 |
| 357 | Parker County | 100 |
| 357 | Pinellas County | 100 |
| 357 | Polk County | 100 |
| 357 | Polk County | 100 |
| 357 | Prince William County | 100 |
| 357 | Rio Blanco County | 100 |
| 357 | Rowan County | 100 |
| 357 | Sarasota County | 100 |
| 357 | Shasta County | 100 |
| 357 | St. Joseph County | 100 |
| 357 | Stark County | 100 |
| 357 | Trumbull County | 100 |
| 357 | Union County | 100 |
| 357 | West Baton Rouge Parish | 100 |
| 391 | Centre County | 99 |
| 391 | Trego County | 99 |
| 391 | Union County | 99 |
| 394 | Aiken County | 97 |
| 394 | Allen County | 97 |
| 394 | Bristol County | 97 |
| 394 | Brown County | 97 |
| 394 | Carson City | 97 |
| 394 | Carter County | 97 |
| 394 | Cochise County | 97 |
| 394 | Comanche County | 97 |
| 394 | Ellis County | 97 |
| 394 | Forest County | 97 |
| 394 | Forsyth County | 97 |
| 394 | Goodhue County | 97 |
| 394 | Graham County | 97 |
| 394 | Greenville County | 97 |
| 394 | Hamilton County | 97 |
| 394 | Harrison County | 97 |
| 394 | Harrison County | 97 |
| 394 | Haywood County | 97 |
| 394 | Hunt County | 97 |
| 394 | Klickitat County | 97 |
| 394 | Leavenworth County | 97 |
| 394 | Lincoln County | 97 |
| 394 | Livingston Parish | 97 |
| 394 | McCracken County | 97 |
| 394 | Montezuma County | 97 |
| 394 | Pasco County | 97 |
| 394 | Randolph County | 97 |
| 394 | Richmond County | 97 |
| 394 | San Juan County | 97 |
| 394 | Sandoval County | 97 |
| 394 | Sedgwick County | 97 |
| 394 | St. James Parish | 97 |
| 394 | Suffolk city | 97 |
| 394 | Sumner County | 97 |
| 394 | Sumter County | 97 |
| 394 | Union County | 97 |
| 394 | Van Buren County | 97 |
| 394 | Wabash County | 97 |
| 394 | Washington County | 97 |
| 394 | Washoe County | 97 |
| 434 | Bolivar County | 96 |
| 434 | Frederick County | 96 |
| 434 | Kittitas County | 96 |
| 434 | Mercer County | 96 |
| 434 | Richmond city | 96 |
| 439 | Bennington County | 95 |
| 439 | Canyon County | 95 |
| 439 | Hennepin County | 95 |
| 439 | Montgomery County | 95 |
| 439 | Sanders County | 95 |
| 439 | Washington County | 95 |
| 445 | Palm Beach County | 94 |
| 445 | Stearns County | 94 |
| 445 | Walla Walla County | 94 |
| 445 | York County | 94 |
| 449 | Adams County | 93 |
| 449 | Albany County | 93 |
| 449 | Barnstable County | 93 |
| 449 | Benzie County | 93 |
| 449 | Blair County | 93 |
| 449 | Brewster County | 93 |
| 449 | Bullitt County | 93 |
| 449 | Cass County | 93 |
| 449 | Dane County | 93 |
| 449 | Dewey County | 93 |
| 449 | Erie County | 93 |
| 449 | Erie County | 93 |
| 449 | Hampden County | 93 |
| 449 | Hampshire County | 93 |
| 449 | Hancock County | 93 |
| 449 | Hendricks County | 93 |
| 449 | Hudson County | 93 |
| 449 | Indiana County | 93 |
| 449 | Jackson County | 93 |
| 449 | Jefferson County | 93 |
| 449 | Kanawha County | 93 |
| 449 | Kaufman County | 93 |
| 449 | Kent County | 93 |
| 449 | Knox County | 93 |
| 449 | Loudon County | 93 |
| 449 | Macon County | 93 |
| 449 | Madison County | 93 |
| 449 | Madison County | 93 |
| 449 | Marion County | 93 |
| 449 | Morgan County | 93 |
| 449 | Murray County | 93 |
| 449 | Muscatine County | 93 |
| 449 | Orange County | 93 |
| 449 | Palo Alto County | 93 |
| 449 | Preble County | 93 |
| 449 | Richland County | 93 |
| 449 | Richland County | 93 |
| 449 | Santa Rosa County | 93 |
| 449 | Scott County | 93 |
| 449 | St. John the Baptist Parish | 93 |
| 449 | Stafford County | 93 |
| 449 | Sumner County | 93 |
| 449 | Sussex County | 93 |
| 449 | Tehama County | 93 |
| 449 | Valencia County | 93 |
| 449 | Wake County | 93 |
| 449 | Warrick County | 93 |
| 449 | Washington County | 93 |
| 449 | Washington County | 93 |
| 449 | Westmoreland County | 93 |
| 449 | Worcester County | 93 |
| 500 | Davidson County | 92 |
| 500 | Gallatin County | 92 |
| 500 | Johnson County | 92 |
| 500 | Silver Bow County | 92 |
| 500 | Valley County | 92 |
| 505 | Cameron County | 91 |
| 505 | Clinton County | 91 |
| 505 | Lenawee County | 91 |
| 505 | Multnomah County | 91 |
| 505 | Okanogan County | 91 |
| 505 | Ramsey County | 91 |
| 505 | Vilas County | 91 |
| 505 | Whitley County | 91 |
| 513 | Albany County | 90 |
| 513 | Boone County | 90 |
| 513 | Bremer County | 90 |
| 513 | Brevard County | 90 |
| 513 | Broward County | 90 |
| 513 | Burleigh County | 90 |
| 513 | Calcasieu Parish | 90 |
| 513 | Cass County | 90 |
| 513 | Charles City County | 90 |
| 513 | Choctaw County | 90 |
| 513 | Clay County | 90 |
| 513 | Cleveland County | 90 |
| 513 | Collier County | 90 |
| 513 | Columbia County | 90 |
| 513 | Dakota County | 90 |
| 513 | Darlington County | 90 |
| 513 | DeKalb County | 90 |
| 513 | Dutchess County | 90 |
| 513 | Eau Claire County | 90 |
| 513 | Edgefield County | 90 |
| 513 | Etowah County | 90 |
| 513 | Floyd County | 90 |
| 513 | Greene County | 90 |
| 513 | Guilford County | 90 |
| 513 | Hall County | 90 |
| 513 | Hanover County | 90 |
| 513 | Harrison County | 90 |
| 513 | Huron County | 90 |
| 513 | Indian River County | 90 |
| 513 | Kent County | 90 |
| 513 | Kewaunee County | 90 |
| 513 | King County | 90 |
| 513 | Mille Lacs County | 90 |
| 513 | Monroe County | 90 |
| 513 | Muscogee County | 90 |
| 513 | Newton County | 90 |
| 513 | Nez Perce County | 90 |
| 513 | Orleans Parish | 90 |
| 513 | Osage County | 90 |
| 513 | Plymouth County | 90 |
| 513 | Providence County | 90 |
| 513 | Rio Arriba County | 90 |
| 513 | San Benito County | 90 |
| 513 | Schoolcraft County | 90 |
| 513 | Sevier County | 90 |
| 513 | Sheridan County | 90 |
| 513 | Swain County | 90 |
| 513 | Vanderburgh County | 90 |
| 513 | Wayne County | 90 |
| 513 | Wright County | 90 |
| 563 | Adams County | 89 |
| 563 | Cambria County | 89 |
| 563 | Franklin County | 89 |
| 563 | Idaho County | 89 |
| 563 | Kleberg County | 89 |
| 563 | Rutland County | 89 |
| 563 | Wasco County | 89 |
| 563 | Washtenaw County | 89 |
| 571 | Adair County | 88 |
| 571 | Kootenai County | 88 |
| 571 | Marion County | 88 |
| 571 | Montgomery County | 88 |
| 571 | Union County | 88 |
| 576 | Adams County | 87 |
| 576 | Bay County | 87 |
| 576 | Benton County | 87 |
| 576 | Berkshire County | 87 |
| 576 | Chatham County | 87 |
| 576 | Chesterfield County | 87 |
| 576 | Clarke County | 87 |
| 576 | Clinton County | 87 |
| 576 | Dunn County | 87 |
| 576 | Durham County | 87 |
| 576 | Floyd County | 87 |
| 576 | Granville County | 87 |
| 576 | Greene County | 87 |
| 576 | Johnston County | 87 |
| 576 | Kalamazoo County | 87 |
| 576 | Knox County | 87 |
| 576 | La Plata County | 87 |
| 576 | Lenoir County | 87 |
| 576 | Lyon County | 87 |
| 576 | Macon County | 87 |
| 576 | Macoupin County | 87 |
| 576 | McLennan County | 87 |
| 576 | Morgan County | 87 |
| 576 | Morris County | 87 |
| 576 | Noble County | 87 |
| 576 | Perry County | 87 |
| 576 | Perry County | 87 |
| 576 | Pitt County | 87 |
| 576 | Portage County | 87 |
| 576 | San Miguel County | 87 |
| 576 | Sangamon County | 87 |
| 576 | Sonoma County | 87 |
| 576 | Ste. Genevieve County | 87 |
| 576 | Suffolk County | 87 |
| 576 | Taylor County | 87 |
| 576 | Teton County | 87 |
| 576 | Trigg County | 87 |
| 576 | Tuscaloosa County | 87 |
| 576 | Victoria County | 87 |
| 576 | Ward County | 87 |
| 576 | Washington County | 87 |
| 576 | Washington County | 87 |
| 576 | Wood County | 87 |
| 576 | Wood County | 87 |
| 576 | Wyoming County | 87 |
| 576 | Yancey County | 87 |
| 576 | Yavapai County | 87 |
| 623 | Bossier Parish | 86 |
| 623 | Fergus County | 86 |
| 623 | Glenn County | 86 |
| 623 | Linn County | 86 |
| 623 | Olmsted County | 86 |
| 628 | Bay County | 85 |
| 628 | Benton County | 85 |
| 628 | Black Hawk County | 85 |
| 628 | Colusa County | 85 |
| 628 | Kent County | 85 |
| 628 | La Crosse County | 85 |
| 628 | Martin County | 85 |
| 635 | Billings County | 84 |
| 635 | Buchanan County | 84 |
| 635 | Buncombe County | 84 |
| 635 | Caroline County | 84 |
| 635 | Carroll County | 84 |
| 635 | Columbia County | 84 |
| 635 | Cumberland County | 84 |
| 635 | Custer County | 84 |
| 635 | Delaware County | 84 |
| 635 | Effingham County | 84 |
| 635 | Giles County | 84 |
| 635 | Greenbrier County | 84 |
| 635 | Hampton city | 84 |
| 635 | Hancock County | 84 |
| 635 | Highlands County | 84 |
| 635 | Holmes County | 84 |
| 635 | Huntington County | 84 |
| 635 | Iron County | 84 |
| 635 | Jefferson Parish | 84 |
| 635 | Knox County | 84 |
| 635 | Knox County | 84 |
| 635 | Lafayette Parish | 84 |
| 635 | Lee County | 84 |
| 635 | Mahoning County | 84 |
| 635 | Marathon County | 84 |
| 635 | Okaloosa County | 84 |
| 635 | Oliver County | 84 |
| 635 | Pickens County | 84 |
| 635 | Powell County | 84 |
| 635 | Rockingham County | 84 |
| 635 | Russell County | 84 |
| 635 | Shelby County | 84 |
| 635 | St. Tammany Parish | 84 |
| 635 | Wakulla County | 84 |
| 635 | Walker County | 84 |
| 635 | Will County | 84 |
| 635 | Williamson County | 84 |
| 672 | Codington County | 83 |
| 672 | Elkhart County | 83 |
| 672 | Lake County | 83 |
| 672 | Woodbury County | 83 |
| 676 | Caddo Parish | 82 |
| 676 | Cheshire County | 82 |
| 676 | Chittenden County | 82 |
| 676 | Citrus County | 82 |
| 676 | Denali Borough | 82 |
| 676 | Douglas County | 82 |
| 676 | Ector County | 82 |
| 676 | Lackawanna County | 82 |
| 676 | Le Flore County | 82 |
| 676 | Mobile County | 82 |
| 676 | Sarpy County | 82 |
| 687 | Ashland County | 81 |
| 687 | Cook County | 81 |
| 687 | Hamilton County | 81 |
| 687 | Hawaii County | 81 |
| 687 | Howard County | 81 |
| 687 | Medina County | 81 |
| 687 | Pulaski County | 81 |
| 687 | Sullivan County | 81 |
| 695 | Alachua County | 80 |
| 695 | Alexander County | 80 |
| 695 | Andrew County | 80 |
| 695 | Arkansas County | 80 |
| 695 | Baldwin County | 80 |
| 695 | Benton County | 80 |
| 695 | Boone County | 80 |
| 695 | Brown County | 80 |
| 695 | Carlton County | 80 |
| 695 | Carteret County | 80 |
| 695 | Cedar County | 80 |
| 695 | Christian County | 80 |
| 695 | Churchill County | 80 |
| 695 | Claiborne County | 80 |
| 695 | Coconino County | 80 |
| 695 | DeKalb County | 80 |
| 695 | Delta County | 80 |
| 695 | Douglas County | 80 |
| 695 | Elk County | 80 |
| 695 | Essex County | 80 |
| 695 | Fayette County | 80 |
| 695 | Franklin County | 80 |
| 695 | Garfield County | 80 |
| 695 | Glynn County | 80 |
| 695 | Grand County | 80 |
| 695 | Hancock County | 80 |
| 695 | Hillsborough County | 80 |
| 695 | Jackson County | 80 |
| 695 | Johnson County | 80 |
| 695 | Knox County | 80 |
| 695 | Licking County | 80 |
| 695 | Marshall County | 80 |
| 695 | Meade County | 80 |
| 695 | Mendocino County | 80 |
| 695 | Middlesex County | 80 |
| 695 | Monroe County | 80 |
| 695 | Morgan County | 80 |
| 695 | New Hanover County | 80 |
| 695 | Niagara County | 80 |
| 695 | Park County | 80 |
| 695 | Perry County | 80 |
| 695 | Person County | 80 |
| 695 | Posey County | 80 |
| 695 | Somerset County | 80 |
| 695 | St. Martin Parish | 80 |
| 695 | Volusia County | 80 |
| 695 | Washington County | 80 |
| 695 | Wilson County | 80 |
| 743 | Cowlitz County | 79 |
| 743 | Susquehanna County | 79 |
| 745 | Bradford County | 78 |
| 745 | Ingham County | 78 |
| 745 | Kings County | 78 |
| 745 | Scioto County | 78 |
| 745 | Tippecanoe County | 78 |
| 745 | Washington County | 78 |
| 751 | Avery County | 77 |
| 751 | Baker County | 77 |
| 751 | Bartholomew County | 77 |
| 751 | Belknap County | 77 |
| 751 | Bell County | 77 |
| 751 | Big Horn County | 77 |
| 751 | Charles County | 77 |
| 751 | Chesterfield County | 77 |
| 751 | Edmonson County | 77 |
| 751 | Elko County | 77 |
| 751 | Forrest County | 77 |
| 751 | Garland County | 77 |
| 751 | Greene County | 77 |
| 751 | Horry County | 77 |
| 751 | Houston County | 77 |
| 751 | Jackson County | 77 |
| 751 | Johnson County | 77 |
| 751 | Kitsap County | 77 |
| 751 | La Paz County | 77 |
| 751 | Lauderdale County | 77 |
| 751 | Lawrence County | 77 |
| 751 | Livingston County | 77 |
| 751 | Luzerne County | 77 |
| 751 | Lycoming County | 77 |
| 751 | McKenzie County | 77 |
| 751 | Miami County | 77 |
| 751 | Montgomery County | 77 |
| 751 | Onondaga County | 77 |
| 751 | Ravalli County | 77 |
| 751 | Rock County | 77 |
| 751 | St. Lucie County | 77 |
| 751 | Tioga County | 77 |
| 751 | Tuscola County | 77 |
| 751 | Williams County | 77 |
| 785 | Androscoggin County | 76 |
| 785 | Charleston County | 76 |
| 785 | Monroe County | 76 |
| 785 | Prowers County | 76 |
| 785 | Spencer County | 76 |
| 785 | Warren County | 76 |
| 791 | Fayette County | 75 |
| 791 | Genesee County | 75 |
| 791 | Lorain County | 75 |
| 791 | Mason County | 75 |
| 791 | Roane County | 75 |
| 796 | Boyd County | 74 |
| 796 | Brown County | 74 |
| 796 | Caldwell County | 74 |
| 796 | Catawba County | 74 |
| 796 | Clark County | 74 |
| 796 | Columbia County | 74 |
| 796 | Del Norte County | 74 |
| 796 | Fayette County | 74 |
| 796 | Flagler County | 74 |
| 796 | Franklin County | 74 |
| 796 | Jo Daviess County | 74 |
| 796 | Laramie County | 74 |
| 796 | Lawrence County | 74 |
| 796 | Liberty County | 74 |
| 796 | Martin County | 74 |
| 796 | Missaukee County | 74 |
| 796 | Monongalia County | 74 |
| 796 | Nassau County | 74 |
| 796 | Natrona County | 74 |
| 796 | Northampton County | 74 |
| 796 | Oconee County | 74 |
| 796 | Orange County | 74 |
| 796 | Polk County | 74 |
| 796 | Rapides Parish | 74 |
| 796 | Santa Cruz County | 74 |
| 796 | Scotts Bluff County | 74 |
| 796 | Thurston County | 74 |
| 796 | Twin Falls County | 74 |
| 796 | Wexford County | 74 |
| 825 | Clallam County | 73 |
| 825 | Clayton County | 73 |
| 825 | Dubois County | 73 |
| 825 | Florence County | 73 |
| 825 | Keweenaw County | 73 |
| 825 | Lee County | 73 |
| 825 | Pottawattamie County | 73 |
| 825 | Taos County | 73 |
| 825 | Terrebonne Parish | 73 |
| 834 | Armstrong County | 72 |
| 834 | Bristol city | 72 |
| 834 | Columbia County | 72 |
| 834 | Hardin County | 72 |
| 834 | Mercer County | 72 |
| 834 | Monroe County | 72 |
| 834 | Nassau County | 72 |
| 834 | Norfolk city | 72 |
| 834 | Oxford County | 72 |
| 834 | Penobscot County | 72 |
| 844 | Ashley County | 71 |
| 844 | Boone County | 71 |
| 844 | Butte County | 71 |
| 844 | Cabell County | 71 |
| 844 | Callaway County | 71 |
| 844 | Calvert County | 71 |
| 844 | Chattooga County | 71 |
| 844 | Clay County | 71 |
| 844 | Columbia County | 71 |
| 844 | Delaware County | 71 |
| 844 | Edgecombe County | 71 |
| 844 | Garrett County | 71 |
| 844 | Grant County | 71 |
| 844 | Greene County | 71 |
| 844 | Henderson County | 71 |
| 844 | Lowndes County | 71 |
| 844 | Lyon County | 71 |
| 844 | Monroe County | 71 |
| 844 | Montgomery County | 71 |
| 844 | Ohio County | 71 |
| 844 | Ouachita Parish | 71 |
| 844 | Phillips County | 71 |
| 844 | Roanoke County | 71 |
| 844 | Rockbridge County | 71 |
| 844 | Washington County | 71 |
| 844 | Weston County | 71 |
| 844 | Whitman County | 71 |
| 844 | Wythe County | 71 |
| 844 | Yalobusha County | 71 |
| 873 | Coffee County | 70 |
| 873 | Kauai County | 70 |
| 873 | Kennebec County | 70 |
| 873 | Lancaster County | 70 |
| 873 | Virginia Beach city | 70 |
| 878 | Belmont County | 69 |
| 878 | Hughes County | 69 |
| 878 | Humboldt County | 69 |
| 878 | Lexington County | 69 |
| 878 | McMinn County | 69 |
| 878 | Mohave County | 69 |
| 878 | North Slope Borough | 69 |
| 878 | Rockingham County | 69 |
| 878 | Steuben County | 69 |
| 887 | Baker County | 68 |
| 887 | Pike County | 68 |
| 887 | Pueblo County | 68 |
| 887 | Tangipahoa Parish | 68 |
| 891 | Albemarle County | 67 |
| 891 | Bonneville County | 67 |
| 891 | Burke County | 67 |
| 891 | Carter County | 67 |
| 891 | Clark County | 67 |
| 891 | Clinton County | 67 |
| 891 | Garfield County | 67 |
| 891 | Henry County | 67 |
| 891 | Jessamine County | 67 |
| 891 | Johnston County | 67 |
| 891 | Madison County | 67 |
| 891 | Montgomery County | 67 |
| 891 | Oswego County | 67 |
| 891 | Prince Edward County | 67 |
| 891 | Pulaski County | 67 |
| 891 | Putnam County | 67 |
| 891 | Sequoyah County | 67 |
| 891 | Simpson County | 67 |
| 891 | Sumter County | 67 |
| 910 | Adams County | 66 |
| 910 | Chippewa County | 66 |
| 910 | Douglas County | 66 |
| 910 | Dyer County | 66 |
| 910 | Jackson County | 66 |
| 910 | Lawrence County | 66 |
| 910 | Lewis County | 66 |
| 910 | Marion County | 66 |
| 910 | Maury County | 66 |
| 910 | Whatcom County | 66 |
| 920 | Charlton County | 65 |
| 920 | Colbert County | 65 |
| 920 | Craighead County | 65 |
| 920 | Grafton County | 65 |
| 920 | Madison County | 65 |
| 920 | Potter County | 65 |
| 920 | Salem city | 65 |
| 920 | Winona County | 65 |
| 928 | Apache County | 64 |
| 928 | Bannock County | 64 |
| 928 | Caswell County | 64 |
| 928 | Coos County | 64 |
| 928 | Fauquier County | 64 |
| 928 | Hall County | 64 |
| 928 | Harrison County | 64 |
| 928 | Harrison County | 64 |
| 928 | Jefferson County | 64 |
| 928 | Mason County | 64 |
| 928 | Oneida County | 64 |
| 939 | Coos County | 63 |
| 939 | Hyde County | 63 |
| 939 | Jackson County | 63 |
| 939 | Mitchell County | 63 |
| 943 | Grays Harbor County | 62 |
| 943 | Honolulu County | 62 |
| 943 | Thomas County | 62 |
| 946 | Athens County | 61 |
| 946 | Clearfield County | 61 |
| 946 | Lynchburg city | 61 |
| 946 | Merrimack County | 61 |
| 946 | Stoddard County | 61 |
| 946 | Tompkins County | 61 |
| 946 | Tucker County | 61 |
| 953 | Skagit County | 59 |
| 953 | Taney County | 59 |
| 955 | Chaves County | 58 |
| 955 | Custer County | 58 |
| 955 | Gilmer County | 58 |
| 955 | Greenup County | 58 |
| 955 | Lawrence County | 58 |
| 955 | Saratoga County | 58 |
| 955 | Sherman County | 58 |
| 962 | Blaine County | 57 |
| 962 | Jefferson County | 57 |
| 962 | Sheridan County | 57 |
| 965 | Lincoln County | 56 |
| 966 | Aleutians East Borough | 55 |
| 966 | Jerome County | 55 |
| 966 | Latah County | 55 |
| 969 | Ford County | 54 |
| 969 | Hamilton County | 54 |
| 969 | Putnam County | 54 |
| 969 | Roosevelt County | 54 |
| 973 | Lake County | 53 |
| 974 | Georgetown County | 52 |
| 974 | San Juan County | 52 |
| 974 | Windham County | 52 |
| 977 | Custer County | 51 |
| 978 | Lake County | 50 |
| 979 | Franklin County | 49 |
| 980 | Berkeley County | 47 |
| 981 | Cass County | 46 |
| 981 | Pitkin County | 46 |
| 983 | Herkimer County | 45 |
| 984 | Grant County | 43 |
| 985 | Catron County | 42 |
| 985 | Lincoln County | 42 |
| 985 | Los Alamos County | 42 |
| 988 | Colleton County | 41 |
| 988 | Socorro County | 41 |
| 990 | Cerro Gordo County | 38 |
| 991 | Jackson County | 34 |
| 992 | San Juan County | 32 |
| 993 | Fremont County | 29 |
| 994 | Alamosa County | 28 |
| 995 | Wayne County | 27 |
| 996 | Columbiana County | 26 |
| 997 | Winchester city | 24 |
| 998 | Hopewell city | 19 |
| 999 | Carroll County | 18 |
| 1000 | Alexandria city | 16 |