U.S. House seat for Texas's 31st congressional district. Representatives serve two-year terms.

17 candidates filed, 3 active for the 2026 House election in Texas District 31. Party primary on Mar 3, 2026. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | John R. Carter R | 64.4% | 355,557 | |
| 2022 | John R Carter R | 100.0% | 183,185 | |
| 2020 | John R Carter R | 53.4% | 398,057 | |
| 2018 | John Carter R | 50.6% | 286,007 | |
| 2016 | John R Carter R | 58.4% | 284,588 | |
| 2014 | John R Carter R | 64.0% | 143,028 | |
| 2012 | John R Carter R | 61.3% | 237,187 | |
| 2010 | John R Carter R | 82.5% | 153,119 | |
| 2008 | John R Carter R | 60.3% | 291,304 | |
| 2006 | John R Carter R | 58.5% | 155,383 | |
| 2004 | John R Carter R | 64.8% | 247,427 | |
| 2002 | John R Carter R | 69.1% | 161,484 |