| State | County | Pop. | Density | Voted | % Dem. | % Rep. | Win |
|---|---|---|---|---|---|---|---|
| South Dakota | faulk county | 2299 | 0.9042 | 1182 | 0.167513% | 0.815567% | Republican |
| South Dakota | grant county | 7052 | 3.99558 | 3745 | 0.281976% | 0.699065% | Republican |
| South Dakota | gregory county | 4185 | 1.59204 | 2258 | 0.201506% | 0.784322% | Republican |
| South Dakota | haakon county | 1899 | 0.404966 | 1137 | 0.0923483% | 0.902375% | Republican |
| South Dakota | hamlin county | 6164 | 4.69198 | 3083 | 0.209861% | 0.76938% | Republican |
| South Dakota | hand county | 3191 | 0.857588 | 1836 | 0.203159% | 0.780501% | Republican |
| South Dakota | hanson county | 3453 | 3.06827 | 2388 | 0.23325% | 0.750838% | Republican |
| South Dakota | harding county | 1298 | 0.18759 | 813 | 0.0602706% | 0.920049% | Republican |
| South Dakota | hughes county | 17526 | 9.12532 | 8723 | 0.33853% | 0.633039% | Republican |
| South Dakota | hutchinson county | 7291 | 3.46251 | 3767 | 0.202283% | 0.781524% | Republican |
| South Dakota | hyde county | 1301 | 0.583727 | 710 | 0.191549% | 0.794366% | Republican |
| South Dakota | jackson county | 3344 | 0.69271 | 1115 | 0.321973% | 0.661883% | Republican |
| South Dakota | jerauld county | 2013 | 1.4771 | 1006 | 0.26839% | 0.7167% | Republican |
| South Dakota | jones county | 903 | 0.359553 | 599 | 0.15025% | 0.831386% | Republican |
| South Dakota | kingsbury county | 4939 | 2.29137 | 2779 | 0.29471% | 0.685139% | Republican |