| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| PA-01 | DEM | 92,441 | 79.4% | D+58.9 | |
| PA-02 | DEM | 102,702 | 92.1% | D+84.2 | |
| PA-03 | DEM | 149,809 | 60.0% | D+20.0 | |
| PA-04 | DEM | 132,583 | 55.9% | D+11.8 | |
| PA-05 | REP | 131,489 | 57.1% | R+18.6 | |
| PA-06 | Gus YatronDEM | DEM | 130,487 | 57.0% | D+14.0 |
| PA-07 | Curt WeldonREP | REP | 162,160 | 65.3% | R+30.6 |
| PA-08 | DEM | 150,115 | 56.6% | D+13.3 | |
| PA-09 | Bud ShusterREP | REP | 106,632 | 100.0% | R+100.0 |
| PA-10 | REP | 113,490 | 100.0% | R+100.0 | |
| PA-11 | DEM | 88,219 | 100.0% | D+100.0 | |
| PA-12 | DEM | 130,693 | 61.7% | D+23.5 | |
| PA-13 | REP | 148,544 | 60.3% | R+20.6 | |
| PA-14 | DEM | 108,133 | 71.8% | D+43.6 | |
| PA-15 | REP | 127,411 | 60.6% | R+21.1 | |
| PA-16 | REP | 129,445 | 66.1% | R+32.3 | |
| PA-17 | REP | 110,317 | 100.0% | R+100.0 | |
| PA-18 | REP | 166,577 | 51.5% | R+2.9 | |
| PA-19 | REP | 96,336 | 100.0% | R+100.0 | |
| PA-20 | DEM | 125,134 | 65.6% | D+31.2 | |
| PA-21 | REP | 92,732 | 100.0% | R+100.0 | |
| PA-22 | DEM | 123,884 | 63.3% | D+26.5 | |
| PA-23 | REP | 131,654 | 59.4% | R+18.8 |