*These data are provisional and may be revised or adjusted in the future.
Cumulative Human Disease Cases by County - South Dakota, 2003
| Aurora County | 1 |
| Beadle County | 16 |
| Bennett County | 7 |
| Bon Homme County | 7 |
| Brookings County | 19 |
| Brown County | 90 |
| Brule County | 12 |
| Buffalo County | 5 |
| Butte County | 47 |
| Campbell County | 6 |
| Charles Mix County | 27 |
| Clark County | 11 |
| Clay County | 20 |
| Codington County | 6 |
| Corson County | 7 |
| Custer County | 4 |
| Davison County | 24 |
| Day County | 11 |
| Deuel County | 2 |
| Dewey County | 23 |
| Douglas County | 13 |
| Edmunds County | 8 |
| Fall River County | 25 |
| Faulk County | 9 |
| Grant County | 4 |
| Gregory County | 11 |
| Haakon County | 9 |
| Hamlin County | 3 |
| Hand County | 8 |
| Hanson County | 3 |
| Harding County | 4 |
| Hughes County | 43 |
| Hutchinson County | 7 |
| Hyde County | 5 |
| Jackson County | 6 |
| Jerauld County | 2 |
| Jones County | 2 |
| Kingsbury County | 11 |
| Lake County | 4 |
| Lawrence County | 27 |
| Lincoln County | 11 |
| Lyman County | 17 |
| Marshall County | 23 |
| McCook County | 4 |
| McPherson County | 5 |
| Meade County | 28 |
| Mellette County | 5 |
| Miner County | 3 |
| Minnehaha County | 57 |
| Moody County | 1 |
| Pennington County | 139 |
| Perkins County | 18 |
| Potter County | 14 |
| Roberts County | 17 |
| Sanborn County | 12 |
| Shannon County | 27 |
| Spink County | 18 |
| Stanley County | 9 |
| Sully County | 8 |
| Todd County | 12 |
| Tripp County | 14 |
| Turner County | 20 |
| Union County | 5 |
| Walworth County | 8 |
| Yankton County | 11 |
| Ziebach County | 4 |