| State | County | Pop. | Density | Voted | % Dem. | % Rep. | Win |
|---|---|---|---|---|---|---|---|
| Ohio | lake county | 230149 | 387.587 | 130484 | 0.425447% | 0.561586% | Republican |
| Ohio | lawrence county | 59463 | 50.6404 | 28123 | 0.266294% | 0.722042% | Republican |
| Ohio | licking county | 176862 | 100.072 | 94160 | 0.351051% | 0.632052% | Republican |
| Ohio | logan county | 45672 | 38.4658 | 23360 | 0.216396% | 0.769007% | Republican |
| Ohio | lorain county | 309833 | 243.528 | 157398 | 0.480737% | 0.505216% | Republican |
| Ohio | lucas county | 428348 | 485.034 | 200559 | 0.575447% | 0.407676% | Democrat |
| Ohio | madison county | 44731 | 37.0704 | 19848 | 0.287082% | 0.697048% | Republican |
| Ohio | mahoning county | 228683 | 214.565 | 118946 | 0.484598% | 0.503615% | Republican |
| Ohio | marion county | 65093 | 62.2465 | 27818 | 0.297254% | 0.683838% | Republican |
| Ohio | medina county | 179746 | 164.692 | 105808 | 0.376153% | 0.610521% | Republican |
| Ohio | meigs county | 22907 | 20.5636 | 10951 | 0.227559% | 0.759383% | Republican |
| Ohio | mercer county | 41172 | 34.3747 | 23753 | 0.169663% | 0.818928% | Republican |
| Ohio | miami county | 106987 | 101.599 | 57955 | 0.270261% | 0.713847% | Republican |
| Ohio | monroe county | 13654 | 11.568 | 7148 | 0.224538% | 0.76427% | Republican |
| Ohio | montgomery county | 531687 | 444.577 | 268400 | 0.503219% | 0.480753% | Democrat |