| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| PA-01 | DEM | 155,451 | 37.8% | D+47.5 | |
| PA-02 | DEM | 131,828 | 96.4% | D+96.4 | |
| PA-03 | DEM | 124,608 | 54.5% | D+21.7 | |
| PA-04 | REP | 201,370 | 63.3% | R+26.6 | |
| PA-05 | REP | 198,235 | 75.1% | R+51.4 | |
| PA-06 | Gus YatronDEM | DEM | 175,809 | 67.1% | D+34.2 |
| PA-07 | DEM | 187,024 | 53.1% | D+6.3 | |
| PA-08 | REP | 204,345 | 50.7% | R+1.9 | |
| PA-09 | Bud ShusterREP | REP | 157,241 | 100.0% | R+100.0 |
| PA-10 | REP | 190,319 | 76.6% | R+53.9 | |
| PA-11 | REP | 180,324 | 51.9% | R+3.8 | |
| PA-12 | DEM | 179,749 | 59.4% | D+18.8 | |
| PA-13 | REP | 197,584 | 70.0% | R+40.7 | |
| PA-14 | DEM | 149,624 | 68.5% | D+39.1 | |
| PA-15 | REP | 167,725 | 59.5% | R+19.8 | |
| PA-16 | REP | 168,656 | 76.9% | R+53.9 | |
| PA-17 | DEM | 161,785 | 60.6% | D+21.1 | |
| PA-18 | DEM | 186,462 | 68.5% | D+36.9 | |
| PA-19 | REP | 180,002 | 76.0% | R+52.9 | |
| PA-20 | DEM | 168,413 | 72.5% | D+45.0 | |
| PA-21 | DEM | 164,248 | 68.5% | D+36.9 | |
| PA-22 | DEM | 169,768 | 69.6% | D+40.1 | |
| PA-23 | Bill ClingerREP | REP | 167,046 | 73.5% | R+49.0 |
| PA-24 | REP | 174,555 | 49.7% | R+0.1 | |
| PA-25 | DEM | 178,585 | 67.1% | D+34.2 |