| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| PA-01 | DEM | 248,585 | 86.3% | D+72.9 | |
| PA-02 | Chaka FattahDEM | DEM | 287,637 | 88.0% | D+76.1 |
| PA-03 | Phil EnglishREP | REP | 277,264 | 60.1% | R+20.2 |
| PA-04 | REP | 323,917 | 63.1% | R+27.2 | |
| PA-05 | REP | 219,091 | 88.0% | R+88.0 | |
| PA-06 | REP | 314,325 | 51.0% | R+2.0 | |
| PA-07 | Curt WeldonREP | REP | 334,527 | 58.8% | R+18.4 |
| PA-08 | REP | 331,264 | 55.3% | R+12.0 | |
| PA-09 | Bill ShusterREP | REP | 265,107 | 69.5% | R+39.0 |
| PA-10 | Don SherwoodREP | REP | 206,772 | 92.8% | R+92.8 |
| PA-11 | DEM | 181,252 | 94.4% | D+94.4 | |
| PA-12 | DEM | 204,504 | 100.0% | D+100.0 | |
| PA-13 | DEM | 308,124 | 55.7% | D+14.5 | |
| PA-14 | DEM | 220,139 | 100.0% | D+100.0 | |
| PA-15 | REP | 291,134 | 58.6% | R+19.2 | |
| PA-16 | REP | 285,299 | 64.4% | R+29.9 | |
| PA-17 | Tim HoldenDEM | DEM | 291,786 | 59.1% | D+20.2 |
| PA-18 | Tim MurphyREP | REP | 315,314 | 62.8% | R+25.5 |
| PA-19 | REP | 245,094 | 91.5% | R+91.5 |