# Liste der 100 flächenmäßig größten Countys der Vereinigten Staaten

Dies ist eine Liste der 100 größten Countys in den Vereinigten Staaten mit Stand April 2010, dem Datum der letzten bundesweiten Volkszählung.

## Liste

| Platz | County | Bundesstaat | County Seat | Größe [km²] | Einwohner |
| 1 | San Bernardino County | USA-Kalifornien Kalifornien | San Bernardino | 52.272 | 2.035.210 |
| 2 | Coconino County | USA-Arizona Arizona | Flagstaff | 48.332 | 134.421 |
| 3 | Nye County | USA-Nevada Nevada | Tonopah | 47.030 | 43.946 |
| 4 | Elko County | USA-Nevada Nevada | Elko | 44.555 | 48.818 |
| 5 | Mohave County | USA-Arizona Arizona | Kingman | 34.886 | 200.186 |
| 6 | Apache County | USA-Arizona Arizona | St. Johns | 29.055 | 71.518 |
| 7 | Lincoln County | USA-Nevada Nevada | Pioche | 27.549 | 5.345 |
| 8 | Sweetwater County | USA-Wyoming Wyoming | Green River | 27.172 | 43.806 |
| 9 | Inyo County | USA-Kalifornien Kalifornien | Independence | 26.487 | 18.546 |
| 10 | Harney County | USA-Oregon Oregon | Burns | 26.486 | 7.422 |
| 11 | Navajo County | USA-Arizona Arizona | Holbrook | 25.795 | 107.449 |
| 12 | Malheur County | USA-Oregon Oregon | Vale | 25.718 | 31.313 |
| 13 | Humboldt County | USA-Nevada Nevada | Winnemucca | 25.013 | 16.528 |
| 14 | Fremont County | USA-Wyoming Wyoming | Lander | 23.998 | 40.123 |
| 15 | Maricopa County | USA-Arizona Arizona | Phoenix | 23.890 | 3.817.117 |
| 16 | Pima County | USA-Arizona Arizona | Tucson | 23.799 | 980.263 |
| 17 | White Pine County | USA-Nevada Nevada | Ely | 23.042 | 10.030 |
| 18 | Idaho County | USA-Idaho Idaho | Grangeville | 22.021 | 15.679 |
| 19 | Lake County | USA-Oregon Oregon | Lakeview | 21.648 | 7.895 |
| 20 | Kern County | USA-Kalifornien Kalifornien | Bakersfield | 21.138 | 889.631 |
| 21 | Yavapai County | USA-Arizona Arizona | Prescott | 21.051 | 211.033 |
| 22 | Clark County | USA-Nevada Nevada | Las Vegas | 20.955 | 1.951.269 |
| 23 | Carbon County | USA-Wyoming Wyoming | Rawlins | 20.627 | 15.885 |
| 24 | San Ruan County | USA-Utah Utah | Monticello | 20.547 | 14.746 |
| 25 | Owyhee County | USA-Idaho Idaho | Murphy | 19.934 | 11.526 |
| 26 | Riverside County | USA-Kalifornien Kalifornien | Riverside | 18.915 | 2.189.641 |
| 27 | Tooele County | USA-Utah Utah | Tooele | 18.874 | 58.218 |
| 28 | Park County | USA-Wyoming Wyoming | Cody | 18.044 | 28.205 |
| 29 | Catron County | USA-New Mexico New Mexico | Reserve | 17.946 | 3.725 |
| 30 | St. Louis County | USA-Minnesota Minnesota | Duluth | 17.767 | 200.226 |
| 31 | Aroostook County | USA-Maine Maine | Houlton | 17.686 | 71.870 |
| 32 | Millard County | USA-Utah Utah | Fillmore | 17.684 | 12.503 |
| 33 | Box Elder County | USA-Utah Utah | Brigham City | 17.428 | 49.975 |
| 34 | Socorro County | USA-New Mexico New Mexico | Socorro | 17.220 | 17.866 |
| 35 | Otero County | USA-New Mexico New Mexico | Alamogordo | 17.162 | 63.797 |
| 36 | Washoe County | USA-Nevada Nevada | Reno | 16.968 | 421.407 |
| 37 | Siskiyou County | USA-Kalifornien Kalifornien | Yreka | 16.440 | 44.900 |
| 38 | Cochise County | USA-Arizona Arizona | Bisbee | 16.107 | 131.346 |
| 39 | Brewster County | USA-Texas Texas | Alpine | 16.039 | 9.232 |
| 40 | Klamath County | USA-Oregon Oregon | Klamath Falls | 15.892 | 66.380 |
| 41 | Chaves County | USA-New Mexico New Mexico | Roswell | 15.734 | 65.645 |
| 42 | Pershing County | USA-Nevada Nevada | Lovelock | 15.715 | 6.753 |
| 43 | Fresno County | USA-Kalifornien Kalifornien | Fresno | 15.585 | 930.450 |
| 44 | Cherry County | USA-Nebraska Nebraska | Valentine | 15.565 | 5.713 |
| 45 | Keweenaw County | USA-Michigan Michigan | Eagle River | 15.452 | 2.156 |
| 46 | Rio Arriba County | USA-New Mexico New Mexico | Tierra Amarilla | 15.171 | 40.246 |
| 47 | Beaverhead County | USA-Montana Montana | Dillon | 14.432 | 9.246 |
| 48 | San Juan County | USA-New Mexico New Mexico | Aztec | 14.281 | 130.044 |
| 49 | Lander County | USA-Nevada Nevada | Battle Mountain | 14.295 | 5.775 |
| 50 | Yuma County | USA-Arizona Arizona | Yuma | 14.294 | 195.751 |
| 51 | McKinley County | USA-New Mexico New Mexico | Gallup | 14.129 | 71.492 |
| 52 | Natrona County | USA-Wyoming Wyoming | Casper | 13.923 | 75.450 |
| 53 | Pinal County | USA-Arizona Arizona | Florence | 13.919 | 375.770 |
| 54 | Okanogan County | USA-Washington Washington | Okanogan | 13.766 | 41.120 |
| 55 | Flathead County | USA-Montana Montana | Kalispell | 13.614 | 90.928 |
| 56 | Phillips County | USA-Montana Montana | Malta | 13.499 | 4.253 |
| 57 | Garfield County | USA-Utah Utah | Panguitch | 13.489 | 5.172 |
| 58 | Douglas County | USA-Oregon Oregon | Roseburg | 13.297 | 107.667 |
| 59 | Hawaii County | USA-Hawaii Hawaii | Hilo | 13.174 | 185.079 |
| 60 | Valley County | USA-Montana Montana | Glasgow | 13.110 | 7.369 |
| 61 | Alger County | USA-Michigan Michigan | Munising | 13.077 | 9.601 |
| 62 | Rosebud County | USA-Montana Montana | Forsyth | 13.020 | 9.233 |
| 63 | Churchill County | USA-Nevada Nevada | Fallon | 13.010 | 24.877 |
| 64 | Big Horn County | USA-Montana Montana | Hardin | 12.998 | 12.685 |
| 65 | Custer County | USA-Idaho Idaho | Challis | 12.786 | 4.368 |
| 66 | Sublette County | USA-Wyoming Wyoming | Pinedale | 12.783 | 10.247 |
| 67 | Garfield County | USA-Montana Montana | Jordan | 12.555 | 1.206 |
| 68 | Tulare County | USA-Kalifornien Kalifornien | Visalia | 12.533 | 442.179 |
| 69 | Lincoln County | USA-New Mexico New Mexico | Carrizozo | 12.513 | 20.497 |
| 70 | Campbell County | USA-Wyoming Wyoming | Gillette | 12.436 | 46.133 |
| 71 | Gila County | USA-Arizona Arizona | Globe | 12.421 | 53.597 |
| 72 | Las Animas County | USA-Colorado Colorado | Trinidad | 12.368 | 15.507 |
| 73 | Pecos County | USA-Texas Texas | Fort Stockton | 12.341 | 15.507 |
| 74 | Los Angeles County | USA-Kalifornien Kalifornien | Los Angeles | 12.308 | 9.818.605 |
| 75 | Moffat County | USA-Colorado Colorado | Craig | 12.305 | 13.795 |
| 76 | San Miguel County | USA-New Mexico New Mexico | Las Vegas | 12.265 | 29.393 |
| 77 | Lane County | USA-Oregon Oregon | Eugene | 12.229 | 351.715 |
| 78 | Lassen County | USA-Kalifornien Kalifornien | Susanville | 12.226 | 34.895 |
| 79 | Graham County | USA-Arizona Arizona | Safford | 12.020 | 37.220 |
| 80 | Hudspeth County | USA-Texas Texas | Sierra Blanca | 12.841 | 3.476 |
| 81 | Lemhi County | USA-Idaho Idaho | Salmon | 11.835 | 7.396 |
| 82 | Cibola County | USA-New Mexico New Mexico | Grants | 11.756 | 27.213 |
| 83 | Grant County | USA-Oregon Oregon | Canyon City | 11.731 | 7.445 |
| 84 | San Diego County | USA-Kalifornien Kalifornien | San Diego | 11.721 | 3.095.313 |
| 85 | La Paz County | USA-Arizona Arizona | Parker | 11.690 | 20.489 |
| 86 | Uintah County | USA-Utah Utah | Vernal | 11.652 | 32.588 |
| 87 | Imperial County | USA-Kalifornien Kalifornien | El Centro | 11.608 | 174.528 |
| 88 | Emery County | USA-Utah Utah | Castle Dale | 11.555 | 10.976 |
| 89 | Lea County | USA-New Mexico New Mexico | Lovington | 11.380 | 64.727 |
| 90 | Piscataquis County | USA-Maine Maine | Dover-Foxcroft | 11.337 | 17.535 |
| 91 | Fergus County | USA-Montana Montana | Lewistown | 11.267 | 11.586 |
| 92 | Yakima County | USA-Washington Washington | Yakima | 11.167 | 243.231 |
| 93 | Albany County | USA-Wyoming Wyoming | Laramie | 11.160 | 36.299 |
| 94 | Converse County | USA-Wyoming Wyoming | Douglas | 11.047 | 13.833 |
| 95 | Blaine County | USA-Montana Montana | Chinook | 10.979 | 6.491 |
| 96 | Sierra County | USA-New Mexico New Mexico | Truth or Consequences | 10.972 | 11.988 |
| 97 | Teton County | USA-Wyoming Wyoming | Jackson | 10.934 | 21.294 |
| 98 | Modoc County | USA-Kalifornien Kalifornien | Alturas | 10.887 | 9.686 |
| 99 | Eddy County | USA-New Mexico New Mexico | Carlsbad | 10.872 | 53.829 |
| 100 | Eureka County | USA-Nevada Nevada | Eureka | 10.826 | 1.987 |

## Liste der 10 größten Boroughs und Census Areas

| Platz | Borough | Status | Fläche [km²] | Einwohner |
| 1 | Yukon-Koyukuk Census Area | Census Area | 382.910 | 5.588 |
| 2 | North Slope Borough | Borough | 245.435 | 9.430 |
| 3 | Bethel Census Area | Census Area | 117.866 | 17.013 |
| 4 | Northwest Arctic Borough | Borough | 105.573 | 7.523 |
| 5 | Valdez-Cordova Census Area | Census Area | 104.115 | 9.636 |
| 7 | Nome Census Area | Census Area | 73.253 | 9.492 |
| 8 | Matanuska-Susitna Borough | Borough | 65.423 | 59.322 |
| 9 | Southeast Fairbanks Census Area | Census Area | 64.908 | 7.029 |
| 10 | Kenai Peninsula Borough | Borough | 64.114 | 55.400 |