| City | Population |
| Alzada, MT | 29 |
| Carter County rural, MT | 799 |
| Allen, SD | 420 |
| Antelope, SD | 826 |
| Ashland Heights, SD | 754 |
| Batesland town, SD | 108 |
| Belle Fourche, SD | 5,594 |
| Belvidere town, SD | 49 |
| Bennett County rural, SD | 1,940 |
| Bison town, SD | 333 |
| Blackhawk, SD | 2,892 |
| Blucksberg Mountain, SD | 462 |
| Box Elder, SD | 7,800 |
| Buffalo Gap town, SD | 126 |
| Buffalo town, SD | 330 |
| Butte County rural, SD | 3,481 |
| Camp Crook town, SD | 63 |
| Central City, SD | 134 |
| Colonial Pine Hills, SD | 2,493 |
| Corn Creek, SD | 105 |
| Cottonwood town, SD | 9 |
| Custer, SD | 2,067 |
| Custer County rural, SD | 5,428 |
| Deadwood, SD | 1,270 |
| Dupree, SD | 525 |
| Eagle Butte, SD | 1,318 |
| Fairburn town, SD | 85 |
| Faith, SD | 421 |
| Fruitdale town, SD | 64 |
| Green Grass, SD | 35 |
| Green Valley, SD | 928 |
| Haakon County rural, SD | 1,029 |
| Harding County rural, SD | 862 |
| Hermosa town, SD | 398 |
| Hill City, SD | 948 |
| Interior town, SD | 94 |
| Isabel town, SD | 135 |
| Jackson County rural, SD | 1,500 |
| Johnson Siding, SD | 659 |
| Kadoka, SD | 654 |
| Keystone town, SD | 337 |
| Kyle, SD | 846 |
| Lawrence County rural, SD | 5,736 |
| Lead, SD | 3,124 |
| Lemmon, SD | 1,227 |
| Martin, SD | 1,071 |
| Meade County rural, SD | 12,996 |
| Mellette County rural, SD | 1,148 |
| Midland town, SD | 129 |
| Mission, SD | 1,182 |
| New Underwood, SD | 660 |
| Newell, SD | 603 |
| Nisland town, SD | 232 |
| Norris, SD | 152 |
| North Eagle Butte, SD | 1,954 |
| North Spearfish, SD | 2,221 |
| Parmelee, SD | 562 |
| Pennington County rural, SD | 9,253 |
| Perkins County rural, SD | 1,399 |
| Philip, SD | 779 |
| Piedmont, SD | 222 |
| Porcupine, SD | 1,062 |
| Prairie City, SD | 23 |
| Pringle town, SD | 112 |
| Quinn town, SD | 54 |
| Rapid City, SD | 67,956 |
| Rapid Valley, SD | 8,260 |
| Rosebud, SD | 1,587 |
| Soldier Creek, SD | 227 |
| Spearfish, SD | 10,494 |
| Spring Creek, SD | 268 |
| St. Francis town, SD | 709 |
| St. Onge, SD | 191 |
| Sturgis, SD | 6,627 |
| Summerset, SD | 1,814 |
| Todd County rural, SD | 3,497 |
| Two Strike, SD | 209 |
| Vale, SD | 136 |
| Wall town, SD | 766 |
| Wanblee, SD | 725 |
| Wasta town, SD | 80 |
| White Horse, SD | 276 |
| White River, SD | 581 |
| Whitewood, SD | 927 |
| Ziebach County rural, SD | 958 |
| Beulah, WY | 73 |
| Crook County rural, WY | 3,946 |
| Hill View Heights, WY | 170 |
| Hulett town, WY | 383 |
| Moorcroft town, WY | 1,009 |
| Newcastle, WY | 3,532 |
| Osage, WY | 208 |
| Pine Haven town, WY | 490 |
| Sundance town, WY | 1,182 |
| Upton town, WY | 1,100 |
| Weston County rural, WY | 2,198 |
| Wright town, WY | 1,807 |
| | |
| Total | 216,637 |
