| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| PA-01 | DEM | 158,441 | 82.8% | D+65.7 | |
| PA-02 | Chaka FattahDEM | DEM | 206,538 | 87.7% | D+75.4 |
| PA-03 | REP | 187,790 | 60.6% | R+21.3 | |
| PA-04 | REP | 197,340 | 74.5% | R+49.1 | |
| PA-05 | REP | 180,857 | 63.6% | R+27.2 | |
| PA-06 | REP | 212,544 | 56.3% | R+12.6 | |
| PA-07 | REP | 235,125 | 62.0% | R+24.1 | |
| PA-08 | REP | 222,498 | 61.9% | R+23.8 | |
| PA-09 | Bill ShusterREP | REP | 173,317 | 63.5% | R+27.0 |
| PA-10 | REP | 180,322 | 62.6% | R+37.8 | |
| PA-11 | REP | 184,692 | 66.3% | R+32.6 | |
| PA-12 | REP | 215,921 | 59.3% | R+18.6 | |
| PA-13 | DEM | 184,150 | 67.1% | D+34.2 | |
| PA-14 | DEM | 148,351 | 100.0% | D+100.0 | |
| PA-15 | REP | 128,285 | 100.0% | R+100.0 | |
| PA-16 | REP | 176,235 | 57.7% | R+15.4 | |
| PA-17 | DEM | 165,051 | 56.8% | D+13.5 | |
| PA-18 | Tim MurphyREP | REP | 166,076 | 100.0% | R+100.0 |