| County |
|---|
| Aurora County |
| Beadle County |
| Bennett County |
| Bon Homme County |
| Brookings County |
| Brown County |
| Brule County |
| Buffalo County |
| Butte County |
| Campbell County |
| Charles Mix County |
| Clark County |
| Clay County |
| Codington County |
| Corson County |
| Custer County |
| Davison County |
| Day County |
| Deuel County |
| Dewey County |
| Douglas County |
| Edmunds County |
| Fall River County |
| Faulk County |
| Grant County |
| Gregory County |
| Haakon County |
| Hamlin County |
| Hand County |
| Hanson County |
| Harding County |
| Hughes County |
| Hutchinson County |
| Hyde County |
| Jackson County |
| Jerauld County |
| Jones County |
| Kingsbury County |
| Lake County |
| Lawrence County |
| Lincoln County |
| Lyman County |
| Marshall County |
| McCook County |
| McPherson County |
| Meade County |
| Mellette County |
| Miner County |
| Minnehaha County |
| Moody County |
| Pennington County |
| Perkins County |
| Potter County |
| Roberts County |
| Sanborn County |
| Shannon County |
| Spink County |
| Stanley County |
| Sully County |
| Todd County |
| Tripp County |
| Turner County |
| Union County |
| Walworth County |
| Yankton County |
| Ziebach County |