Founded in 1862, Bon Homme County is one of 66 counties in the state of South Dakota. Historically, Bon Homme County was formed from unorganized territory. The city of Tyndall is the county seat. With FIPS code of 9, Bon Homme County has a population of 7,014 and area of 563 square miles (1,458 km2).
List of all cities in Bon Homme County, SD alphabetically
| City/Town | Postal Code | Area Code |
| Avon, SD | 57315 | 605 |
| Janousek, SD | 57063 | 605 |
| Kingsbury, SD | 57066 | 605 |
| Lakeport, SD | 57063 | 605 |
| Running Water, SD | 57062 | 605 |
| Scotland, SD | 57059 | 605 |
| Springfield, SD | 57062 | 605 |
| Tabor, SD | 57063 | 605 |
| Tyndall, SD | 57066 | 605 |