COUNTY ST POPULATION AREA San Bernardino CA 1,418,380 20,064 70.693 Coconino AZ 96,591 18,608 5.191 Nye NV 17,781 18,155 0.979 Elko NV 33,530 17,135 1.957 Mohave AZ 93,497 13,285 7.038 Apache AZ 61,591 11,211 5.494 Lincoln NV 3,775 10,635 0.355 Sweetwater WY 38,823 10,352 3.750 Inyo CA 18,281 10,223 1.788 Harney OR 7,060 10,174 0.694 Navajo AZ 77,658 9,955 7.801 Nalheur OR 26,038 9,861 2.641 Humboldt NV 12,844 9,698 1.324 Pima AZ 666,880 9,187 72.590 Fremont WY 3,362 9,181 0.366 Maricopa AZ 2,122,101 9,127 232.508 White Pine NV 9,264 8,902 1.041 Idaho ID 13,783 8,497 1.622 Lake OR 7,186 8,251 0.871 Kern CA 543,477 8,130 66.848 Yavapai AZ 107,714 8,123 13.260 Clark NV 741,459 7,881 94.082 Carbon WY 16,659 7,877 2.115 San Juan UT 12,621 7,725 1.634 Owyhee ID 8,392 7,643 1.098 Riverside CA 1,170,413 7,214 162.242 Park WY 23,178 6,936 3.342 Catron NM 2,563 6,929 0.370 Tooele UT 26,601 6,919 3.845 Millard UT 11,333 6,818 1.662 Arostook ME 86,936 6,721 12.935 Otero NM 51,928 6,626 7.837 Socorro NM 14,764 6,625 2.229 Washoe NV 254,667 6,317 40.315 Siskiyou CA 45,531 6,281 7.249 Cochise AZ 97,624 6,218 15.700 Brewster TX 8,681 6,169 1.407 St. Louis MN 198,213 6,125 32.361 Chaves NM 57,849 6,066 9.537 Pershing NV 4,336 6,036 0.718 Fresno CA 667,490 5,978 111.658 Cherry NB 6,307 5,961 1.058 Klamath OR 57,702 5,954 9.691 Rio Arriba NM 34,365 5,856 5.868 Valencia NM 45,235 5,616 8.055 Box Elder UT 36,485 5,614 6.499 Yuma AZ 106,895 5,564 19.212 Beaverhead MT 8,424 5,529 1.524 San Juan NM 91,605 5,521 16.592 Lander NV 6,266 5,515 1.136 McKinley NM 60,686 5,442 11.151 Natrona WY 61,226 5,347 11.451 Pinal AZ 116,379 5,343 21.782 Okanogan WA 33,350 5,281 6.315 Garfield UT 3,950 5,148 0.767 Phillips MT 8,163 5,130 1.591 Flathead MT 59,215 5,112 11.584 Douglas OR 94,649 5,044 18.765 Rosebud MT 10,505 5,019 2.093 Churchill NV 17,938 4,990 3.595 Big Horn MT 11,337 4,983 2.275 Valley MT 8,239 4,936 1.669 Custer ID 4,133 4,927 0.839 Sublette WY 4,843 4,872 0.994 Lincoln NM 12,219 4,832 2.529 Tulare CA 311,921 4,808 64.875 Pecos TX 14,675 4,777 3.072 Las Animas CO 13,765 4,771 2.885 Gila AZ 40,216 4,752 8.463 Fall River SD 7,353 4,742 1.551 Moffat CO 11,357 4,732 2.400 San Miguel NM 25,743 4,709 5.467 Graham AZ 26,554 4,630 5.735 Hudspeth TX 2,915 4,567 0.638 Lemhi ID 6,899 4,564 1.512 Lane OR 282,912 4,562 62.015 Lassen CA 27,598 4,553 6.061 Grant OR 7,853 4,525 1.735 Garfield MT 1,589 4,491 0.354 Uintah UT 22,211 4,479 4.959 Cibola NM 23,794 4,468 5.325 Emery UT 10,332 4,449 2.322 La Paz AZ 13,844 4,430 3.125 Lea NM 55,765 4,389 12.706 Fergus MT 12,083 4,340 2.784 Yakima WA 188,823 4,287 44.045 Converse WY 11,128 4,271 2.605 Albany WY 30,797 4,268 7.216 Blaine MT 6,728 4,257 1.580 San Diego CA 2,498,016 4,212 593.071 Eddy NM 48,605 4,184 11.617 Sierra NM 9,912 4,178 2.372 Eureka NV 1,547 4,175 0.371 Imperial CA 109,303 4,173 26.193 Johnson WY 6,145 4,166 1.475 Lincoln WY 12,625 4,070 3.102 Los Angeles CA 8,863,164 4,070 2177.682 Modoc CA 9,678 4,064 2.381 Hawaii HI 120,317 4,034 29.826 Teton WY 11,172 4,011 2.785 Weld CO 131,821 3,990 33.038 Chouteau MT 5,452 3,987 1.367 Piscataquis ME 18,653 3,986 4.680 Grant NM 27,676 3,969 6.973 Somerset ME 49,767 3,930 12.663 Lincoln MT 17,481 3,919 4.461 Kane UT 5,169 3,898 1.326 Presidio TX 6,637 3,857 1.721 Union NM 4,124 3,830 1.077 Dona Ana NM 135,510 3,819 35.483 Culberson TX 3,407 3,815 0.893 Shasta CA 147,036 3,786 38.837 Custer MT 11,697 3,776 3.098 Colifax NM 12,925 3,762 3.436 Mineral NV 6,475 3,744 1.729 Grand UT 6,620 3,689 1.795 Valley ID 6,109 3,670 1.665 Madison MT 5,989 3,590 1.668 Esmeralda NV 1,344 3,587 0.375 Humboldt CA 119,118 3,579 33.282 Mendocino CA 80,345 3,512 22.877 Lewis & Clark MT 47,495 3,491 13.605 Meade SD 21,878 3,481 6.285 Hidalgo NM 5,958 3,445 1.729 Penobscot ME 146,601 3,430 42.741 Juab UT 5,817 3,396 1.713 Webb TX 133,239 3,362 39.631 Carter MT 1,503 3,342 0.450 Torrance NM 10,285 3,335 3.084 Mesa CO 93,145 3,309 28.149 San Luis Obispo CA 217,162 3,308 65.648 Monterey CA 355,660 3,303 107.678 Iron UT 20,789 3,301 6.298 Powder River MT 2,090 3,288 0.636 Gunnison CO 10,273 3,238 3.173 Duschesne UT 12,645 3,233 3.911 Rio Blanco CO 5,972 3,222 1.854 Umatilla OR 59,249 3,218 18.412 Saguache CO 4,619 3,197 1.445 Trinity CA 13,063 3,190 4.095 Val Verde TX 38,721 3,150 12.292 Wallowa OR 9,611 3,150 3.051 Big Horn WY 10,525 3,139 3.353 Koochiching MN 16,299 3,108 5.244 Baker OR 15,317 3,072 4.986 Elmore ID 21,205 3,071 6.905 Guadalupe NM 4,156 3,032 1.371 Deschutes OR 74,958 3,025 24.780 Mono CA 9,956 3,018 3.299 Glacier MT 12,121 2,994 4.048 Crook OR 14,111 2,984 4.729 Luna NM 18,110 2,965 6.108 Tehama CA 49,625 2,953 16.805 Garfield CO 29,974 2,952 10.154 Chelan WA 52,250 2,916 17.918 Hill MT 17,654 2,897 6.094 Perkins SD 3,932 2,884 1.363 Quay NM 10,823 2,874 3.766 Crook WY 5,294 2,855 1.854 Crockett TX 4,078 2,806 1.453 Jackson OR 146,389 2,787 52.526 Pennington SD 81,343 2,783 29.229 McKenzie ND 6,383 2,754 2.318 Sanders MT 8,669 2,749 3.154 Santa Barbara CA 369,608 2,748 134.501 St. Lawrence NY 111,974 2,728 41.046 Sandoval NM 63,319 2,707 23.391 Cascade MT 77,691 2,699 28.785 Niobrara WY 2,499 2,684 0.931 Larimie WY 73,142 2,684 27.251 Harding SD 1,669 2,678 0.623 Isanti MN 40,863 2,661 15.356 Grant WA 54,758 2,660 20.586 Shoshone ID 13,931 2,641 5.275 Blaine ID 13,552 2,634 5.145 MCone MT 2,276 2,626 0.867 Reeves TX 15,852 2,626 6.037 Yellowstone MT 113,419 2,624 43.224 Larimer CO 186,136 2,604 71.481 Washington ME 35,308 2,586 13.654 Beaver UT 4,765 2,586 1.843 Lincoln CO 4,529 2,586 1.751 Missoula MT 78,687 2,582 30.475 Plumas CA 19,739 2,573 7.672 Custer NB 12,270 2,571 4.772 Cassia ID 19,532 2,560 7.630 Baca CO 4,556 2,554 1.784 Sheridan WY 23,562 2,532 9.306 Lincoln NB 35,508 2,525 14.063 Washington CO 4,812 2,520 1.910 Gallatin MT 50,463 2,510 20.105 Beltrami MN 34,384 2,507 13.715 Corson SD 4,195 2,497 1.680 Roosevelt NM 16,702 2,483 6.727 Stevens WA 30,948 2,470 12.530 Wayne UT 2,177 2,461 0.885 Sheridan NB 6,750 2,453 2.752 Washington UT 48,560 2,422 20.050 Lewis WA 59,358 2,409 24.640 Holt NB 12,599 2,406 5.236 Weston WY 6,518 2,402 2.714 Meagher MT 1,819 2,392 0.760 Wasco OR 21,683 2,384 9.095 Ravalli MT 25,010 2,384 10.491 Pueblo CO 123,051 2,377 51.767 Dawson MT 9,505 2,374 4.004 Routt CO 14,088 2,367 5.952 Yuma CO 8,654 2,365 3.659 Roosevelt MT 10,999 2,357 4.667 Terrell TX 1,410 2,357 0.598 Powell MT 6,620 2,329 2.842 De Baca NM 2,252 2,323 0.969 Lincoln WA 8,864 2,310 3.837 Dewey SD 5,523 2,310 2.391 Kittias WA 26,725 2,308 11.579 Linn OR 91,227 2,296 39.733 Teton MT 6,271 2,275 2.756 Osage OK 41,645 2,265 18.386 Stutsman ND 22,241 2,263 9.828 Jeff Davis TX 1,946 2,257 0.862 Butte SD 7,914 2,251 3.516 Washakie WY 8,388 2,246 3.735 Montrose CO 24,423 2,240 10.903 Clearwater ID 8,505 2,238 3.800 Butte ID 2,918 2,236 1.305 Tuolumne CA 48,456 2,234 21.690 Taos NM 23,118 2,204 10.489 Ferry WA 6,295 2,200 2.861 Park CO 7,174 2,192 3.273 Goshen WY 12,373 2,186 5.660 Kit Carson CO 7,140 2,160 3.306 Whitman WA 38,775 2,151 18.026 Madera CA 88,090 2,145 41.068 El Paso CO 397,014 2,129 186.479 King WA 1,507,319 2,128 708.327 Whatcom WA 127,780 2,125 60.132 Harding NM 987 2,122 0.465 Edwards TX 2,266 2,121 1.068 Snohomish WA 465,642 2,098 221.946 Bingham ID 37,583 2,096 17.931 Shannon SD 9,902 2,094 4.729 Uinata WY 18,705 2,085 8.971 Richland MT 10,716 2,081 5.149 Williams ND 21,129 2,074 10.188 Sioux NB 1,579 2,070 0.763 Mercer ND 10,457 2,065 5.064 Carbon MT 8,080 2,056 3.930 Oxford ME 52,602 2,053 25.622 Lake MN 10,415 2,053 5.073 Morrow OR 7,625 2,044 3.730 Ward ND 57,921 2,041 28.379 Texas OK 16,419 2,040 8.049 Montezuma CO 18,672 2,038 9.162 Union OR 23,598 2,035 11.596 Cass MN 21,791 2,033 10.719 Platte WY 8,145 2,023 4.026 Utah UT 263,590 2,018 130.619 Lyon NV 20,001 2,007 9.966 Hot Springs WY 4,809 2,005 2.399