U.S. House seat for Connecticut's 4th congressional district. Representatives serve two-year terms.

9 candidates filed, 3 active for the 2026 House election in Connecticut District 4. Party primary on Aug 11, 2026. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | James A. Himes D | 61.1% | 328,857 | |
| 2022 | James A Himes D | 59.4% | 236,084 | |
| 2020 | James A Himes D | 62.2% | 360,716 | |
| 2018 | Jim Himes D | 97.8% | 172,472 | |
| 2016 | James A Himes D | 97.4% | 192,882 | |
| 2014 | James A Himes D | 96.5% | 105,114 | |
| 2012 | James A Himes D | 58.7% | 284,823 | |
| 2010 | James A Himes D | 52.0% | 212,776 | |
| 2008 | Jim Himes D | 49.8% | 299,636 | |
| 2006 | Christopher Shays R | 51.0% | 209,018 | |
| 2004 | Christopher Shays R | 52.4% | 290,826 | |
| 2002 | Christopher Shays R | 64.4% | 175,688 | |
| 2000 | Christopher Shays R | 57.6% | 206,758 | |
| 1998 | Christopher Shays R | 69.1% | 137,204 | |
| 1996 | Christopher Shays R | 60.5% | 201,712 |