| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| PA-01 | REP | 329,798 | 51.3% | R+2.5 | |
| PA-02 | DEM | 201,982 | 79.0% | D+58.0 | |
| PA-03 | Dwight EvansDEM | DEM | 307,997 | 93.4% | D+86.8 |
| PA-04 | DEM | 332,991 | 63.5% | D+27.0 | |
| PA-05 | DEM | 304,714 | 65.2% | D+30.4 | |
| PA-06 | DEM | 301,828 | 58.9% | D+17.8 | |
| PA-07 | DEM | 263,261 | 53.5% | D+10.0 | |
| PA-08 | DEM | 248,166 | 54.6% | D+9.3 | |
| PA-09 | REP | 248,927 | 59.8% | R+19.5 | |
| PA-10 | REP | 291,033 | 51.3% | R+2.6 | |
| PA-11 | REP | 277,584 | 59.0% | R+17.9 | |
| PA-12 | REP | 243,872 | 66.0% | R+32.1 | |
| PA-13 | John JoyceREP | REP | 253,266 | 70.5% | R+41.0 |
| PA-14 | REP | 261,437 | 57.9% | R+15.8 | |
| PA-15 | REP | 243,572 | 67.8% | R+35.7 | |
| PA-16 | REP | 262,396 | 51.6% | R+4.3 | |
| PA-17 | DEM | 325,579 | 56.3% | D+12.5 | |
| PA-18 | DEM | 231,472 | 100.0% | D+100.0 |