| County | American Indian Percentage of Total Population |
| Montezuma |  12 |
| La Plata | 7 |
| Costilla | 6 |
| Huerfano | 5 |
| Alamosa | 5 |
| Las Animas | 4 |
| Conejos | 4 |
| Crowley | 3 |
| Otero | 3 |
| Bent | 3 |
| Dolores | 3 |
| Saguache | 3 |
| Rio Grande | 3 |
| Archuleta | 3 |
| Pueblo | 3 |
| Rio Blanco | 3 |
| Lake | 3 |
| Gunnison | 2 |
| Adams | 2 |
| Denver | 2 |
| Fremont | 2 |
| Montrose | 2 |
| Jackson | 2 |
| Prowers | 2 |
| Garfield | 2 |
| Weld | 2 |
| Mesa | 2 |
| Morgan | 1 |
| Baca | 1 |
| Logan | 1 |
| Chaffee | 1 |
| Delta | 1 |
| El Paso | 1 |
| Moffat | 1 |
| Hinsdale | 1 |
| Jefferson | 1 |
| Eagle | 1 |
| San Miguel | 1 |
| Teller | 1 |
| Lincoln | 1 |
| Arapahoe | 1 |
| Park | 1 |
| Cheyenne | 1 |
| Gilpin | 1 |
| Larimer | 1 |
| Clear Creek | 1 |
| Kit Carson | 1 |
| Broomfield | 1 |
| Boulder | 1 |
| Custer | 1 |
| Yuma | 1 |
| Mineral | 1 |
| Kiowa | 1 |
| Sedgwick | 1 |
| Grand | 1 |
| San Juan | 1 |
| Elbert | 1 |
| Phillips | 1 |
| Routt | 1 |
| Ouray | 1 |
| Summit | 1 |
| Douglas | 1 |
| Pitkin | 0 |
| Washington | 0 |