| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| PA-01 | DEM | 167,825 | 76.3% | D+52.6 | |
| PA-02 | DEM | 196,687 | 93.7% | D+87.4 | |
| PA-03 | DEM | 214,499 | 63.2% | D+26.4 | |
| PA-04 | DEM | 177,699 | 69.8% | D+40.3 | |
| PA-05 | REP | 196,211 | 78.2% | R+56.4 | |
| PA-06 | Gus YatronDEM | DEM | 180,745 | 63.1% | D+27.0 |
| PA-07 | Curt WeldonREP | REP | 229,132 | 67.8% | R+35.6 |
| PA-08 | DEM | 225,566 | 56.8% | D+15.3 | |
| PA-09 | Bud ShusterREP | REP | 158,702 | 100.0% | R+100.0 |
| PA-10 | REP | 191,275 | 73.2% | R+46.5 | |
| PA-11 | DEM | 120,706 | 100.0% | D+100.0 | |
| PA-12 | DEM | 133,081 | 100.0% | D+100.0 | |
| PA-13 | REP | 228,615 | 66.6% | R+33.1 | |
| PA-14 | DEM | 171,900 | 78.6% | D+57.3 | |
| PA-15 | REP | 186,078 | 57.5% | R+14.9 | |
| PA-16 | REP | 185,113 | 74.0% | R+48.0 | |
| PA-17 | REP | 166,289 | 100.0% | R+100.0 | |
| PA-18 | DEM | 218,488 | 62.7% | D+25.6 | |
| PA-19 | REP | 188,200 | 77.3% | R+54.5 | |
| PA-20 | DEM | 139,616 | 98.5% | D+98.5 | |
| PA-21 | REP | 180,120 | 78.7% | R+57.5 | |
| PA-22 | DEM | 170,467 | 72.4% | D+44.8 | |
| PA-23 | REP | 170,160 | 62.0% | R+24.7 |