U.S. House seat for Illinois's 14th congressional district. Representatives serve two-year terms.

5 candidates filed, 2 active for the 2026 House election in Illinois District 14. Party primary on Mar 17, 2026. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | Lauren Underwood D | 55.1% | 332,910 | |
| 2022 | Lauren Underwood D | 54.2% | 236,592 | |
| 2020 | Lauren Underwood D | 50.7% | 401,052 | |
| 2018 | Lauren Underwood D | 52.5% | 297,199 | |
| 2016 | Randy Hultgren R | 59.3% | 338,097 | |
| 2014 | Randy Hultgren R | 65.4% | 222,230 | |
| 2012 | Randy Hultgren R | 58.8% | 301,954 | |
| 2010 | Randall M \"Randy\" Hultgren R | 51.3% | 218,963 | |
| 2008 | Bill Foster D | 57.7% | 321,057 | |
| 2006 | J Dennis Hastert R | 59.8% | 197,144 | |
| 2004 | J Dennis Hastert R | 68.6% | 279,208 | |
| 2002 | J Dennis Hastert R | 74.1% | 182,363 | |
| 2000 | J Dennis Hastert R | 74.0% | 254,906 | |
| 1998 | J Dennis Hastert R | 69.8% | 168,148 | |
| 1996 | J Dennis Hastert R | 64.4% | 208,764 |