Pennsylvania congressional districts: U.S. House election history
Each cell is one election, coloured by the winning party. District numbers are reused after redistricting, so a district in 2024 does not cover the same ground as the same number in 1980.
Current representatives
- District 1: Brian K. Fitzpatrick Republican
- District 2: Brendan F. Boyle Democrat
- District 3: Dwight Evans Democrat
- District 4: Madeleine Dean Democrat
- District 5: Mary Gay Scanlon Democrat
- District 6: Chrissy Houlahan Democrat
- District 7: Ryan Mackenzie Republican
- District 8: Robert P. Bresnahan, Jr. Republican
- District 9: Daniel Meuser Republican
- District 10: Scott Perry Republican
- District 11: Lloyd Smucker Republican
- District 12: Summer L. Lee Democrat
- District 13: John Joyce Republican
- District 14: Guy Reschenthaler Republican
- District 15: Glenn Thompson Republican
- District 16: Mike Kelly Republican
- District 17: Christopher R. Deluzio Democrat
Every district, every election
| District | '24 | '22 | '20 | '18 | '16 | '14 | '12 | '10 | '08 | '06 | '04 | '02 | '00 | '98 | '80 | '78 | '76 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | R | R | R | R | D | D | D | D | D | D | D | D | D | D | I | D | D |
| 2 | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D |
| 3 | D | D | D | D | R | R | R | R | D | R | R | R | D | D | D | D | D |
| 4 | D | D | D | D | R | R | R | D | D | D | R | R | R | D | R | R | D |
| 5 | D | D | D | D | R | R | R | R | R | R | R | R | R | R | R | R | R |
| 6 | D | D | D | D | R | R | R | R | R | R | R | R | D | D | D | D | D |
| 7 | R | D | D | D | R | R | R | R | D | D | R | R | R | R | D | D | D |
| 8 | R | D | D | D | R | R | R | R | D | D | R | R | R | R | R | D | D |
| 9 | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R |
| 10 | R | R | R | R | R | R | R | R | D | D | R | R | R | R | R | R | R |
| 11 | R | R | R | R | R | R | R | R | D | D | D | D | D | D | R | D | D |
| 12 | D | D | R | R | R | R | R | D | D | D | D | D | D | D | D | D | D |
| 13 | R | R | R | R | D | D | D | D | D | D | D | D | D | D | R | R | R |
| 14 | R | R | R | R | D | D | D | D | D | D | D | D | D | D | D | D | D |
| 15 | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | D |
| 16 | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R |
| 17 | D | D | D | D | D | D | D | D | D | D | D | D | R | R | D | D | D |
| 18 | D | D | R | R | R | R | R | R | R | R | D | D | D | D | D | ||
| 19 | R | R | R | R | R | R | R | R | R | R | |||||||
| 20 | D | D | D | D | D | ||||||||||||
| 21 | R | R | D | D | D | ||||||||||||
| 22 | D | D | D | ||||||||||||||
| 23 | R | R | D | ||||||||||||||
| 24 | R | R | R | ||||||||||||||
| 25 | D | D | R |
Darker cells were won by bigger margins. Blank: no race in the data that year (the source has no House results for 1984–1996).