Founded in 1911, Ziebach County is one of 66 counties in the state of South Dakota. Historically, Ziebach County was formed from Armstrong, Schnasse, and Sterling Counties. The city of Dupree is the county seat. With FIPS code of 137, Ziebach County has a population of 2,380 and area of 1,962 square miles (5,082 km2).
List of all cities in Ziebach County, SD alphabetically
| City/Town | Postal Code | Area Code |
| Cherry Creek, SD | 57622 | 605 |
| Dupree, SD | 57623 | 605 |
| Elwood, SD | 57622 | 605 |
| Ohem, SD | 57623 | 605 |
| Red Elm, SD | 57623 | 605 |