| Name | Custer County |
| State | South Dakota |
| FIPS Code | 46033 |
| County Seat | Custer |
| Timezone | Mountain Daylight Time (MDT) |
| Population (2024) | 9,117 |
| Population Growth Rate(2020-2024) | 8.69% |
| Majority Ethnicity | White 94.35% |
| Public School Majority Ethnicity | White 80% |
| Partisan Voting Index | Strongly Republican:+23 |
| Unemployment Rate (May 2026) | 2.9% |
| Sales Tax Rate (2025) | 4.2% |
| Area Code(s) | 605 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 94.35% |
| African American | 0.38% |
| Hispanic | 3% |
| Asian | 0.37% |
| Native American | 1.9% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 80.5% |
| African American | 0.42% |
| Hispanic | 7.86% |
| Asian | 0.42% |
| Native American | 7.34% |
| Hawaiin/Pacific Islander | 0% |