| Name | Custer County |
| State | Montana |
| FIPS Code | 30017 |
| Timezone | Mountain Daylight Time (MDT) |
| Population (2022) | 11,706 |
| Population Growth Rate(2000-2022) | 1.44% |
| Majority Ethnicity | White 93.84% |
| Public School Majority Ethnicity | White 91% |
| Partisan Voting Index | Strongly Republican:+21 |
| Unemployment Rate | 4.1% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 93.84% |
| African American | 0.57% |
| Hispanic | 3.3% |
| Asian | 0.29% |
| Native American | 1.97% |
| Hawaiin/Pacific Islander | 0.03% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 91.26% |
| African American | 1.39% |
| Hispanic | 3.07% |
| Asian | 0.6% |
| Native American | 2.29% |
| Hawaiin/Pacific Islander | 0.3% |