Founded in 1909, Corson County is one of 66 counties in the state of South Dakota. Historically, Corson County was formed from Indian lands. The city of McIntosh is the county seat. With FIPS code of 31, Corson County has a population of 3,872 and area of 2,473 square miles (6,405 km2).
List of all cities in Corson County, SD alphabetically
| City/Town | Postal Code | Area Code |
| Bullhead, SD | 57621 | 605 |
| Keldron, SD | 57634 | 605 |
| Kenel, SD | 57642 | 605 |
| Little Eagle, SD | 57639 | 605 |
| Maple Leaf, SD | 57642 | 605 |
| Mc Intosh, SD | 57641 | 605 |
| Mc Laughlin, SD | 57642 | 605 |
| Mobridge, SD | 57659 | 605 |
| Morristown, SD | 57645 | 605 |
| Standing Rock, SD | 57658 | 605 |
| Trail City, SD | 57657 | 605 |
| Wakpala, SD | 57658 | 605 |
| Walker, SD | 57659 | 605 |
| Watauga, SD | 57660 | 605 |