| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| OH-01 | REP | 166,180 | 74.7% | R+51.5 | |
| OH-02 | DEM | 176,116 | 58.7% | D+17.4 | |
| OH-03 | Tony P HallDEM | DEM | 166,869 | 57.3% | D+17.3 |
| OH-04 | REP | 184,945 | 72.3% | R+44.7 | |
| OH-05 | REP | 194,707 | 70.4% | R+40.7 | |
| OH-06 | Bob McEwenREP | REP | 185,523 | 54.6% | R+9.2 |
| OH-07 | REP | 163,089 | 76.1% | R+52.2 | |
| OH-08 | REP | 183,752 | 76.0% | R+51.9 | |
| OH-09 | Ed WeberREP | REP | 172,423 | 56.2% | R+16.4 |
| OH-10 | REP | 192,836 | 74.4% | R+48.7 | |
| OH-11 | REP | 185,473 | 69.3% | R+41.7 | |
| OH-12 | DEM | 206,804 | 52.6% | D+5.1 | |
| OH-13 | DEM | 177,735 | 63.8% | D+27.6 | |
| OH-14 | DEM | 159,298 | 64.9% | D+29.7 | |
| OH-15 | REP | 177,733 | 72.6% | R+45.2 | |
| OH-16 | REP | 189,179 | 79.3% | R+58.5 | |
| OH-17 | REP | 176,770 | 72.9% | R+45.8 | |
| OH-18 | DEM | 177,189 | 76.1% | D+52.2 | |
| OH-19 | REP | 184,304 | 58.1% | R+16.1 | |
| OH-20 | DEM | 96,217 | 100.0% | D+100.0 | |
| OH-21 | Louis StokesDEM | DEM | 94,291 | 88.2% | D+76.5 |
| OH-22 | DEM | 195,869 | 55.2% | D+13.9 | |
| OH-23 | DEM | 144,377 | 100.0% | D+100.0 |