Founded in 1914, Jackson County is one of 66 counties in the state of South Dakota. Historically, Jackson County was formed from Stanley County. The city of Kadoka is the county seat. With FIPS code of 71, Jackson County has a population of 2,878 and area of 1,869 square miles (4,841 km2).
List of all cities in Jackson County, SD alphabetically
| City/Town | Postal Code | Area Code |
| Belvidere, SD | 57521 | 605 |
| Headlee Ranch, SD | 57750 | 605 |
| Hiles, SD | 57577 | 605 |
| Hisle, SD | 57577 | 605 |
| Interior, SD | 57750 | 605 |
| Kadoka, SD | 57543 | 605 |
| Long Valley, SD | 57547 | 605 |
| Potato Creek, SD | 57750 | 605 |
| Wanblee, SD | 57577 | 605 |