| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| PA-01 | DEM | 140,090 | 86.4% | D+74.0 | |
| PA-02 | Chaka FattahDEM | DEM | 171,611 | 87.8% | D+75.5 |
| PA-03 | Phil EnglishREP | REP | 150,329 | 77.7% | R+77.7 |
| PA-04 | REP | 202,218 | 64.5% | R+29.1 | |
| PA-05 | REP | 143,211 | 87.2% | R+87.2 | |
| PA-06 | REP | 201,791 | 51.4% | R+2.7 | |
| PA-07 | Curt WeldonREP | REP | 221,351 | 66.1% | R+32.2 |
| PA-08 | REP | 203,687 | 62.6% | R+25.2 | |
| PA-09 | Bill ShusterREP | REP | 174,849 | 71.0% | R+42.1 |
| PA-10 | Don SherwoodREP | REP | 164,159 | 92.6% | R+92.6 |
| PA-11 | DEM | 168,615 | 55.6% | D+13.2 | |
| PA-12 | DEM | 169,028 | 73.5% | D+47.0 | |
| PA-13 | DEM | 211,867 | 51.0% | D+3.6 | |
| PA-14 | DEM | 123,412 | 99.9% | D+99.9 | |
| PA-15 | REP | 171,713 | 57.4% | R+14.7 | |
| PA-16 | REP | 134,597 | 88.5% | R+88.5 | |
| PA-17 | Tim HoldenDEM | DEM | 201,291 | 51.4% | D+2.8 |
| PA-18 | Tim MurphyREP | REP | 199,349 | 60.1% | R+20.3 |
| PA-19 | REP | 157,145 | 91.1% | R+91.1 |