| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| PA-01 | REP | 441,679 | 56.6% | R+13.1 | |
| PA-02 | DEM | 273,162 | 72.5% | D+45.1 | |
| PA-03 | Dwight EvansDEM | DEM | 375,379 | 91.0% | D+82.1 |
| PA-04 | DEM | 444,563 | 59.5% | D+19.1 | |
| PA-05 | DEM | 395,295 | 64.7% | D+29.4 | |
| PA-06 | DEM | 403,966 | 56.0% | D+12.1 | |
| PA-07 | DEM | 376,882 | 51.9% | D+3.7 | |
| PA-08 | DEM | 343,787 | 51.8% | D+3.5 | |
| PA-09 | REP | 351,254 | 66.3% | R+32.7 | |
| PA-10 | REP | 391,834 | 53.3% | R+6.6 | |
| PA-11 | REP | 383,240 | 63.1% | R+26.3 | |
| PA-12 | REP | 340,234 | 70.8% | R+41.7 | |
| PA-13 | John JoyceREP | REP | 364,401 | 73.5% | R+47.0 |
| PA-14 | REP | 373,583 | 64.7% | R+29.4 | |
| PA-15 | REP | 347,214 | 73.5% | R+46.9 | |
| PA-16 | REP | 354,050 | 59.3% | R+18.7 | |
| PA-17 | DEM | 434,537 | 51.1% | D+2.3 | |
| PA-18 | DEM | 384,247 | 69.3% | D+38.5 |