| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| OH-01 | Steve ChabotREP | REP | 197,383 | 63.2% | R+26.4 |
| OH-02 | REP | 201,111 | 66.0% | R+31.9 | |
| OH-03 | Joyce BeattyDEM | DEM | 143,261 | 64.1% | D+28.1 |
| OH-04 | Jim JordanREP | REP | 186,072 | 67.7% | R+35.3 |
| OH-05 | REP | 202,300 | 66.5% | R+37.5 | |
| OH-06 | Bill JohnsonREP | REP | 190,652 | 58.2% | R+19.6 |
| OH-07 | Bob GibbsREP | REP | 143,959 | 100.0% | R+100.0 |
| OH-08 | REP | 188,330 | 67.2% | R+39.8 | |
| OH-09 | Marcy KapturDEM | DEM | 160,715 | 67.7% | D+35.6 |
| OH-10 | REP | 200,606 | 65.2% | R+33.6 | |
| OH-11 | DEM | 172,566 | 79.5% | D+58.9 | |
| OH-12 | REP | 221,081 | 68.1% | R+40.4 | |
| OH-13 | Tim RyanDEM | DEM | 175,549 | 68.5% | D+37.0 |
| OH-14 | REP | 214,580 | 63.3% | R+30.2 | |
| OH-15 | REP | 194,621 | 66.0% | R+32.0 | |
| OH-16 | REP | 207,375 | 63.7% | R+27.5 |