| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| PA-01 | DEM | 149,944 | 100.0% | D+100.0 | |
| PA-02 | Chaka FattahDEM | DEM | 204,707 | 89.3% | D+78.6 |
| PA-03 | REP | 200,833 | 55.7% | R+11.4 | |
| PA-04 | DEM | 237,785 | 50.8% | D+1.6 | |
| PA-05 | REP | 185,512 | 68.7% | R+40.5 | |
| PA-06 | REP | 234,263 | 57.1% | R+14.2 | |
| PA-07 | REP | 250,847 | 54.9% | R+11.0 | |
| PA-08 | REP | 244,306 | 53.5% | R+7.0 | |
| PA-09 | Bill ShusterREP | REP | 194,226 | 73.1% | R+46.1 |
| PA-10 | REP | 200,445 | 55.2% | R+10.3 | |
| PA-11 | REP | 186,797 | 54.7% | R+9.4 | |
| PA-12 | Mark S CritzDEM | DEM | 185,226 | 50.8% | D+1.6 |
| PA-13 | DEM | 210,697 | 56.3% | D+12.7 | |
| PA-14 | DEM | 177,470 | 68.8% | D+40.6 | |
| PA-15 | REP | 204,548 | 53.5% | R+14.6 | |
| PA-16 | REP | 205,107 | 65.4% | R+30.8 | |
| PA-17 | Tim HoldenDEM | DEM | 213,486 | 55.5% | D+11.0 |
| PA-18 | Tim MurphyREP | REP | 240,446 | 67.3% | R+34.7 |
| PA-19 | REP | 229,756 | 71.9% | R+48.6 |