| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| PA-01 | DEM | 95,848 | 81.2% | D+64.6 | |
| PA-02 | Chaka FattahDEM | DEM | 118,764 | 86.5% | D+73.0 |
| PA-03 | DEM | 111,660 | 59.4% | D+18.7 | |
| PA-04 | Ron KlinkDEM | DEM | 161,685 | 63.8% | D+27.6 |
| PA-05 | REP | 117,323 | 84.8% | R+84.8 | |
| PA-06 | Tim HoldenDEM | DEM | 139,953 | 61.0% | D+22.0 |
| PA-07 | Curt WeldonREP | REP | 166,411 | 71.8% | R+43.6 |
| PA-08 | REP | 148,200 | 63.2% | R+30.6 | |
| PA-09 | Bud ShusterREP | REP | 126,027 | 99.5% | R+99.5 |
| PA-10 | Don SherwoodREP | REP | 173,056 | 48.7% | R+0.3 |
| PA-11 | DEM | 133,065 | 66.8% | D+33.7 | |
| PA-12 | DEM | 146,780 | 68.5% | D+37.0 | |
| PA-13 | DEM | 184,490 | 51.5% | D+5.0 | |
| PA-14 | DEM | 137,736 | 60.5% | D+22.2 | |
| PA-15 | REP | 148,706 | 55.0% | R+10.0 | |
| PA-16 | REP | 136,085 | 70.5% | R+41.1 | |
| PA-17 | REP | 115,107 | 99.8% | R+99.8 | |
| PA-18 | DEM | 145,337 | 67.7% | D+35.4 | |
| PA-19 | REP | 142,489 | 67.6% | R+39.0 | |
| PA-20 | DEM | 98,075 | 99.8% | D+99.8 | |
| PA-21 | Phil EnglishREP | REP | 149,115 | 63.4% | R+26.8 |