| County | American Indian Percentage of Total Population |
| Benewah |  9 |
| Bingham | 7 |
| Nez Perce | 6 |
| Lewis | 5 |
| Owyhee | 5 |
| Bannock | 3 |
| Idaho | 3 |
| Power | 3 |
| Jerome | 2 |
| Boundary | 2 |
| Clark | 2 |
| Clearwater | 2 |
| Minidoka | 2 |
| Gooding | 2 |
| Canyon | 2 |
| Shoshone | 2 |
| Payette | 2 |
| Elmore | 2 |
| Lincoln | 2 |
| Blaine | 2 |
| Cassia | 1 |
| Kootenai | 1 |
| Washington | 1 |
| Jefferson | 1 |
| Twin Falls | 1 |
| Boise | 1 |
| Bonneville | 1 |
| Adams | 1 |
| Valley | 1 |
| Fremont | 1 |
| Bonner | 1 |
| Ada | 1 |
| Camas | 1 |
| Lemhi | 1 |
| Latah | 1 |
| Franklin | 1 |
| Gem | 1 |
| Bear Lake | 1 |
| Custer | 1 |
| Butte | 1 |
| Caribou | 1 |
| Oneida | 1 |
| Teton | 1 |
| Madison | 0 |