U.S. House seat for Pennsylvania's 13th congressional district. Representatives serve two-year terms.

2 candidates filed, 2 active for the 2026 House election in Pennsylvania District 13. Party primary on May 19, 2026. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | John Joyce R | 74.2% | 406,283 | |
| 2022 | John Joyce R | 100.0% | 260,345 | |
| 2020 | John Joyce R | 73.5% | 364,401 | |
| 2018 | John Joyce R | 70.5% | 253,266 | |
| 2016 | Brendan F Boyle D | 100.0% | 239,316 | |
| 2014 | Brendan F Boyle D | 67.1% | 184,150 | |
| 2012 | Allyson Y Schwartz D | 69.1% | 303,819 | |
| 2010 | Allyson Y Schwartz D | 56.3% | 210,697 | |
| 2008 | Allyson Y Schwartz D | 62.8% | 313,513 | |
| 2006 | Allyson Y Schwartz D | 66.1% | 222,860 | |
| 2004 | Allyson Schwartz D | 55.7% | 308,124 | |
| 2002 | Joseph M Hoeffel D | 50.9% | 211,867 | |
| 2000 | Joseph M Hoeffel D | 52.8% | 276,751 | |
| 1998 | Joseph M Hoeffel D | 51.6% | 184,490 | |
| 1996 | Jon D Fox R | 48.9% | 245,979 |