| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| OH-01 | REP | 114,169 | 64.5% | R+30.6 | |
| OH-02 | DEM | 123,238 | 52.4% | D+4.7 | |
| OH-03 | Tony P HallDEM | DEM | 116,804 | 53.8% | D+9.4 |
| OH-04 | REP | 124,935 | 68.5% | R+37.0 | |
| OH-05 | REP | 136,618 | 62.6% | R+25.2 | |
| OH-06 | REP | 131,910 | 64.9% | R+29.8 | |
| OH-07 | REP | 92,507 | 100.0% | R+100.0 | |
| OH-08 | REP | 113,652 | 71.4% | R+42.8 | |
| OH-09 | DEM | 113,128 | 63.4% | D+33.0 | |
| OH-10 | REP | 134,368 | 73.9% | R+47.9 | |
| OH-11 | REP | 131,181 | 68.1% | R+39.8 | |
| OH-12 | REP | 143,271 | 56.9% | R+13.9 | |
| OH-13 | DEM | 124,144 | 65.2% | D+30.3 | |
| OH-14 | DEM | 113,667 | 72.5% | D+44.9 | |
| OH-15 | REP | 128,023 | 71.1% | R+42.2 | |
| OH-16 | REP | 134,792 | 78.0% | R+56.0 | |
| OH-17 | REP | 129,127 | 67.4% | R+34.8 | |
| OH-18 | DEM | 120,825 | 59.5% | D+19.0 | |
| OH-19 | REP | 141,867 | 50.7% | R+1.4 | |
| OH-20 | DEM | 76,973 | 100.0% | D+100.0 | |
| OH-21 | Louis StokesDEM | DEM | 68,467 | 86.1% | D+72.2 |
| OH-22 | DEM | 132,572 | 66.0% | D+42.7 | |
| OH-23 | DEM | 133,707 | 74.8% | D+49.5 |