| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| OH-01 | Steve ChabotREP | REP | 300,871 | 51.3% | R+4.4 |
| OH-02 | REP | 289,661 | 57.5% | R+16.4 | |
| OH-03 | Joyce BeattyDEM | DEM | 246,677 | 73.6% | D+47.2 |
| OH-04 | Jim JordanREP | REP | 257,405 | 65.3% | R+30.5 |
| OH-05 | REP | 283,617 | 62.3% | R+27.1 | |
| OH-06 | Bill JohnsonREP | REP | 249,490 | 69.3% | R+38.5 |
| OH-07 | Bob GibbsREP | REP | 260,653 | 58.7% | R+17.5 |
| OH-08 | REP | 261,133 | 66.6% | R+33.1 | |
| OH-09 | Marcy KapturDEM | DEM | 231,937 | 67.8% | D+35.6 |
| OH-10 | REP | 281,726 | 55.9% | R+13.8 | |
| OH-11 | DEM | 250,660 | 82.2% | D+64.5 | |
| OH-12 | REP | 341,647 | 51.4% | R+4.2 | |
| OH-13 | Tim RyanDEM | DEM | 251,370 | 61.0% | D+22.0 |
| OH-14 | REP | 307,358 | 55.3% | R+10.5 | |
| OH-15 | REP | 292,443 | 58.3% | R+18.6 | |
| OH-16 | REP | 299,710 | 56.7% | R+13.5 |