U.S. House seat for Colorado's 3rd congressional district. Representatives serve two-year terms.

9 candidates filed, 2 active for the 2026 House election in Colorado District 3. Party primary on Jun 30, 2026. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | Jeff Hurd R | 50.8% | 397,553 | |
| 2022 | Lauren Boebert R | 50.1% | 327,285 | |
| 2020 | Lauren Boebert R | 51.4% | 429,319 | |
| 2018 | Scott R Tipton R | 51.5% | 336,189 | |
| 2016 | Scott R Tipton R | 54.6% | 374,037 | |
| 2014 | Scott R Tipton R | 58.0% | 281,141 | |
| 2012 | Scott R Tipton R | 53.4% | 347,247 | |
| 2010 | Scott R Tiptin R | 50.1% | 257,965 | |
| 2008 | John T Salazar D | 61.6% | 330,217 | |
| 2006 | John T Salazar D | 61.6% | 237,835 | |
| 2004 | John Salazar D | 50.6% | 303,646 | |
| 2002 | Scott Mcinnis R | 65.8% | 217,866 | |
| 2000 | Scott Mcinnis R | 65.8% | 302,540 | |
| 1998 | Scott Mcinnis R | 66.1% | 236,653 | |
| 1996 | Scott Mcinnis R | 68.9% | 266,476 |