| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| PA-01 | DEM | 169,541 | 88.3% | D+76.5 | |
| PA-02 | Chaka FattahDEM | DEM | 183,694 | 98.0% | D+98.0 |
| PA-03 | DEM | 189,871 | 68.8% | D+37.5 | |
| PA-04 | REP | 246,385 | 59.0% | R+18.0 | |
| PA-05 | REP | 172,447 | 85.6% | R+85.6 | |
| PA-06 | Tim HoldenDEM | DEM | 211,311 | 66.3% | D+32.6 |
| PA-07 | Curt WeldonREP | REP | 266,256 | 64.8% | R+29.6 |
| PA-08 | REP | 260,101 | 59.2% | R+20.6 | |
| PA-09 | Bud ShusterREP | REP | 184,401 | 100.0% | R+100.0 |
| PA-10 | Don SherwoodREP | REP | 237,410 | 52.6% | R+5.2 |
| PA-11 | DEM | 198,647 | 66.4% | D+32.9 | |
| PA-12 | DEM | 205,437 | 70.8% | D+43.3 | |
| PA-13 | DEM | 276,751 | 52.8% | D+7.1 | |
| PA-14 | DEM | 147,533 | 100.0% | D+100.0 | |
| PA-15 | REP | 222,171 | 53.3% | R+6.5 | |
| PA-16 | REP | 242,580 | 67.0% | R+33.9 | |
| PA-17 | REP | 232,426 | 71.5% | R+43.0 | |
| PA-18 | DEM | 224,929 | 69.4% | D+38.8 | |
| PA-19 | REP | 232,494 | 72.6% | R+46.1 | |
| PA-20 | DEM | 225,443 | 64.4% | D+28.8 | |
| PA-21 | Phil EnglishREP | REP | 222,182 | 60.8% | R+21.7 |