| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| OH-01 | Steve ChabotREP | REP | 354,788 | 59.2% | R+18.4 |
| OH-02 | REP | 340,279 | 65.0% | R+32.2 | |
| OH-03 | Joyce BeattyDEM | DEM | 291,351 | 68.6% | D+37.1 |
| OH-04 | Jim JordanREP | REP | 309,208 | 68.0% | R+36.0 |
| OH-05 | REP | 344,991 | 70.9% | R+41.8 | |
| OH-06 | Bill JohnsonREP | REP | 302,755 | 70.7% | R+41.4 |
| OH-07 | Bob GibbsREP | REP | 309,553 | 64.0% | R+35.1 |
| OH-08 | REP | 325,506 | 68.8% | R+41.8 | |
| OH-09 | Marcy KapturDEM | DEM | 282,398 | 68.7% | D+37.4 |
| OH-10 | REP | 336,602 | 64.1% | R+31.4 | |
| OH-11 | DEM | 302,686 | 80.3% | D+60.5 | |
| OH-12 | REP | 377,534 | 66.5% | R+36.7 | |
| OH-13 | Tim RyanDEM | DEM | 308,004 | 67.7% | D+35.5 |
| OH-14 | REP | 350,269 | 62.6% | R+25.2 | |
| OH-15 | REP | 336,807 | 66.2% | R+32.3 | |
| OH-16 | REP | 345,624 | 65.3% | R+30.7 |