| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Dupree | 1 | 491 | 491 | -0.2% | 1,253 | 0 | City |
Dupree is the largest city in Ziebach County, with a population of 491.
Dupree is the smallest city in Ziebach County, with a population of 491.
There is 1 city in Ziebach County, South Dakota.