Ziebach County, South Dakota
Ziebach County | |
|---|---|
Ziebach County Courthouse | |
Location within the U.S. state of South Dakota | |
South Dakota's location within the U.S. | |
| Coordinates: 44°59′N 101°40′W / 44.98°N 101.67°W | |
| Country | United States |
| State | South Dakota |
| Founded | 1911 |
| Named after | Frank M. Ziebach |
| Seat | Dupree |
| Largest city | Dupree |
| Area | |
• Total | 1,971 sq mi (5,100 km2) |
| • Land | 1,961 sq mi (5,080 km2) |
| • Water | 9.3 sq mi (24 km2) 0.5% |
| Population (2020) | |
• Total | 2,413 |
• Estimate (2024) | 2,418 |
| • Density | 1.2/sq mi (0.47/km2) |
| Time zone | UTC−7 (Mountain) |
| • Summer (DST) | UTC−6 (MDT) |
| Congressional district | At-large |
Ziebach County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 2,413. Its county seat is Dupree. It is the last county (or county equivalent) in the United States alphabetically.
Ziebach County consists entirely of Indian reservations. Most of the county is within the Cheyenne River Indian Reservation and the remainder is within the Standing Rock Sioux Reservation. The county's per-capita income makes it the fourth-poorest county in the United States.