Founded in 1877, Codington County is one of 66 counties in the state of South Dakota. Historically, Codington County was formed from Indian lands. The city of Watertown is the county seat. With FIPS code of 29, Codington County has a population of 28,427 and area of 688 square miles (1,782 km2).
List of all cities in Codington County, SD alphabetically
| City/Town | Postal Code | Area Code |
| Appleby, SD | 57201 | 605 |
| Florence, SD | 57235 | 605 |
| Foley, SD | 57201 | 605 |
| Grover, SD | 57201 | 605 |
| Henry, SD | 57243 | 605 |
| Kampeska, SD | 57201 | 605 |
| Kranzburg, SD | 57245 | 605 |
| Pelican, SD | 57201 | 605 |
| Rauville, SD | 57201 | 605 |
| South Shore, SD | 57263 | 605 |
| Wallace, SD | 57272 | 605 |
| Watertown, SD | 57201 | 605 |
| Waverly, SD | 57201 | 605 |