| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| OH-01 | DEM | 156,187 | 63.5% | D+29.8 | |
| OH-02 | REP | 155,378 | 62.7% | R+28.5 | |
| OH-03 | Tony P HallDEM | DEM | 136,754 | 87.7% | D+87.7 |
| OH-04 | REP | 162,651 | 64.6% | R+29.2 | |
| OH-05 | REP | 156,570 | 55.2% | R+10.4 | |
| OH-06 | Bob McEwenREP | REP | 155,570 | 59.2% | R+18.4 |
| OH-07 | REP | 156,146 | 56.3% | R+14.3 | |
| OH-08 | REP | 148,404 | 66.4% | R+32.8 | |
| OH-09 | Marcy KapturDEM | DEM | 164,217 | 58.0% | D+18.7 |
| OH-10 | REP | 158,027 | 63.3% | R+26.6 | |
| OH-11 | DEM | 153,242 | 60.9% | D+23.9 | |
| OH-12 | REP | 175,027 | 50.5% | R+3.2 | |
| OH-13 | DEM | 150,725 | 61.2% | D+25.8 | |
| OH-14 | DEM | 164,050 | 70.5% | D+41.0 | |
| OH-15 | REP | 157,887 | 66.3% | R+36.5 | |
| OH-16 | REP | 167,871 | 65.8% | R+31.6 | |
| OH-17 | REP | 178,851 | 55.1% | R+10.1 | |
| OH-18 | DEM | 128,665 | 100.0% | D+100.0 | |
| OH-19 | DEM | 189,942 | 58.8% | D+20.6 | |
| OH-20 | DEM | 156,052 | 85.6% | D+74.3 | |
| OH-21 | Louis StokesDEM | DEM | 153,876 | 86.1% | D+72.3 |