U.S. House seat for Pennsylvania's 15th congressional district. Representatives serve two-year terms.

2 candidates filed, 2 active for the 2026 House election in Pennsylvania District 15. Party primary on May 19, 2026. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | Glenn Thompson R | 71.5% | 390,435 | |
| 2022 | Glenn Thompson R | 69.9% | 305,146 | |
| 2020 | Glenn W Thompson Jr R | 73.5% | 347,214 | |
| 2018 | Glenn William Thompson Jr R | 67.8% | 243,572 | |
| 2016 | Charles W Dent R | 58.4% | 326,474 | |
| 2014 | Charles W Dent R | 100.0% | 128,285 | |
| 2012 | Charles W Dent R | 56.8% | 297,724 | |
| 2010 | Charles W Dent R | 53.5% | 204,548 | |
| 2008 | Charles W Dent R | 58.6% | 309,766 | |
| 2006 | Charles W Dent R | 53.6% | 198,141 | |
| 2004 | Charles W Dent R | 58.6% | 291,134 | |
| 2002 | Patrick J Toomey R | 57.4% | 171,705 | |
| 2000 | Patrick J Toomey R | 53.3% | 222,171 | |
| 1998 | Pat Toomey R | 55.0% | 148,685 | |
| 1996 | Paul Mchale D | 54.8% | 200,358 |