Founded in 1909, Todd County is one of 66 counties in the state of South Dakota. Historically, Todd County was formed from Meyer and Tripp Counties. The city of is the county seat. With FIPS code of 121, Todd County has a population of 9,286 and area of 1,388 square miles (3,595 km2).
List of all cities in Todd County, SD alphabetically
| City/Town | Postal Code | Area Code |
| Hidden Timber, SD | 57555 | 605 |
| Mission, SD | 57555 | 605 |
| Okreek, SD | 57563 | 605 |
| Olsonville, SD | 57555 | 605 |
| Parmelee, SD | 57566 | 605 |
| Pine Run, SD | 57555 | 605 |
| Rosebud, SD | 57570 | 605 |
| Rosebud Indian Reservation, SD | 57570 | 605 |
| Saint Francis, SD | 57572 | 605 |
| Spring Creek, SD | 57572 | 605 |
| Yankton Indian Reservation, SD | 57570 | 605 |