| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| PA-01 | DEM | 267,513 | 90.8% | D+81.5 | |
| PA-02 | Chaka FattahDEM | DEM | 311,336 | 88.9% | D+77.9 |
| PA-03 | DEM | 286,553 | 51.3% | D+2.5 | |
| PA-04 | DEM | 333,947 | 55.9% | D+11.7 | |
| PA-05 | REP | 274,177 | 56.7% | R+15.7 | |
| PA-06 | REP | 344,375 | 52.1% | R+4.2 | |
| PA-07 | Joe SestakDEM | DEM | 352,317 | 59.6% | D+19.2 |
| PA-08 | DEM | 348,515 | 56.8% | D+15.1 | |
| PA-09 | Bill ShusterREP | REP | 273,686 | 63.9% | R+27.9 |
| PA-10 | DEM | 285,518 | 56.3% | D+12.7 | |
| PA-11 | DEM | 283,530 | 51.6% | D+3.3 | |
| PA-12 | DEM | 268,388 | 57.9% | D+15.7 | |
| PA-13 | DEM | 313,513 | 62.8% | D+28.3 | |
| PA-14 | DEM | 265,540 | 91.3% | D+91.3 | |
| PA-15 | REP | 309,766 | 58.6% | R+17.1 | |
| PA-16 | REP | 305,167 | 55.8% | R+16.4 | |
| PA-17 | Tim HoldenDEM | DEM | 302,608 | 63.7% | D+27.4 |
| PA-18 | Tim MurphyREP | REP | 333,010 | 64.1% | R+28.1 |
| PA-19 | REP | 328,395 | 66.7% | R+33.3 |