| State | County | Pop. | Density | Voted | % Dem. | % Rep. | Win |
|---|---|---|---|---|---|---|---|
| Ohio | geauga county | 93649 | 90.3573 | 56010 | 0.378522% | 0.609588% | Republican |
| Ohio | greene county | 168937 | 157.655 | 88592 | 0.392789% | 0.587773% | Republican |
| Ohio | guernsey county | 38875 | 28.7403 | 18228 | 0.251097% | 0.735517% | Republican |
| Ohio | hamilton county | 817473 | 777.546 | 430752 | 0.571712% | 0.412966% | Democrat |
| Ohio | hancock county | 75783 | 55.0665 | 38757 | 0.303352% | 0.678845% | Republican |
| Ohio | hardin county | 31365 | 25.744 | 13247 | 0.231147% | 0.751038% | Republican |
| Ohio | harrison county | 15040 | 14.4334 | 7655 | 0.23096% | 0.75663% | Republican |
| Ohio | henry county | 27006 | 25.0645 | 14760 | 0.275203% | 0.709959% | Republican |
| Ohio | highland county | 43161 | 30.1303 | 19672 | 0.193117% | 0.79697% | Republican |
| Ohio | hocking county | 28264 | 25.901 | 13819 | 0.280773% | 0.70461% | Republican |
| Ohio | holmes county | 43960 | 40.1696 | 12941 | 0.154084% | 0.834248% | Republican |
| Ohio | huron county | 58266 | 45.7717 | 27185 | 0.285415% | 0.697296% | Republican |
| Ohio | jackson county | 32413 | 29.7749 | 14794 | 0.223807% | 0.764432% | Republican |
| Ohio | jefferson county | 65325 | 61.7877 | 33303 | 0.300814% | 0.685464% | Republican |
| Ohio | knox county | 62322 | 45.7896 | 31389 | 0.273631% | 0.711714% | Republican |