| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| OH-01 | Steve ChabotREP | REP | 349,716 | 57.7% | R+20.1 |
| OH-02 | REP | 331,373 | 58.6% | R+17.3 | |
| OH-03 | Joyce BeattyDEM | DEM | 295,652 | 68.3% | D+41.9 |
| OH-04 | Jim JordanREP | REP | 312,998 | 58.4% | R+21.9 |
| OH-05 | REP | 351,878 | 57.3% | R+18.1 | |
| OH-06 | Bill JohnsonREP | REP | 308,980 | 53.3% | R+6.5 |
| OH-07 | Bob GibbsREP | REP | 315,812 | 56.4% | R+12.8 |
| OH-08 | REP | 248,316 | 99.2% | R+99.2 | |
| OH-09 | Marcy KapturDEM | DEM | 298,164 | 73.0% | D+50.0 |
| OH-10 | REP | 349,671 | 59.5% | R+22.1 | |
| OH-11 | DEM | 258,359 | 100.0% | D+100.0 | |
| OH-12 | REP | 368,474 | 63.5% | R+26.9 | |
| OH-13 | Tim RyanDEM | DEM | 323,612 | 72.8% | D+45.5 |
| OH-14 | REP | 339,894 | 54.0% | R+15.3 | |
| OH-15 | REP | 333,462 | 61.6% | R+23.1 | |
| OH-16 | REP | 355,765 | 52.0% | R+4.1 |