| State | County | Pop. | Density | Voted | % Dem. | % Rep. | Win |
|---|---|---|---|---|---|---|---|
| Ohio | clermont county | 206428 | 176.29 | 110446 | 0.308676% | 0.675172% | Republican |
| Ohio | clinton county | 41968 | 39.6489 | 20522 | 0.228876% | 0.754702% | Republican |
| Ohio | columbiana county | 101883 | 73.9526 | 49854 | 0.267962% | 0.716613% | Republican |
| Ohio | coshocton county | 36600 | 25.0594 | 16739 | 0.24643% | 0.736304% | Republican |
| Ohio | crawford county | 41494 | 39.8743 | 20683 | 0.237683% | 0.746313% | Republican |
| Ohio | cuyahoga county | 1235072 | 1043.13 | 625499 | 0.66535% | 0.32406% | Democrat |
| Ohio | darke county | 51113 | 32.9959 | 27128 | 0.174395% | 0.811118% | Republican |
| Ohio | defiance county | 38087 | 35.7406 | 19369 | 0.308792% | 0.673137% | Republican |
| Ohio | delaware county | 209177 | 182.231 | 126014 | 0.458163% | 0.526576% | Republican |
| Ohio | erie county | 74266 | 114.017 | 40328 | 0.433768% | 0.549494% | Republican |
| Ohio | fairfield county | 157574 | 120.615 | 83277 | 0.374941% | 0.609976% | Republican |
| Ohio | fayette county | 28525 | 27.1029 | 12612 | 0.235886% | 0.75111% | Republican |
| Ohio | franklin county | 1316756 | 954.967 | 630268 | 0.649159% | 0.335154% | Democrat |
| Ohio | fulton county | 42126 | 40.1166 | 22765 | 0.29273% | 0.691017% | Republican |
| Ohio | gallia county | 29898 | 24.7437 | 13799 | 0.216682% | 0.771433% | Republican |