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

4 candidates filed, 2 active for the 2026 House election in Illinois District 3. Party primary on Mar 17, 2026. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | Delia C. Ramirez D | 67.3% | 259,812 | |
| 2022 | Delia Ramirez D | 68.5% | 177,759 | |
| 2020 | Marie Newman D | 56.4% | 306,848 | |
| 2018 | Daniel William Lipinski D | 73.8% | 220,938 | |
| 2016 | Daniel Lipinski D | 100.0% | 225,320 | |
| 2014 | Daniel Lipinski D | 64.6% | 180,855 | |
| 2012 | Daniel Lipinski D | 68.5% | 246,391 | |
| 2010 | Daniel Lipinski D | 69.7% | 166,627 | |
| 2008 | Daniel Lipinski D | 73.3% | 235,524 | |
| 2006 | Daniel Lipinski D | 77.1% | 165,722 | |
| 2004 | Daniel William Lipinski D | 74.3% | 224,879 | |
| 2002 | William O Lipinski D | 100.0% | 156,042 | |
| 2000 | William O Lipinski D | 75.6% | 192,503 | |
| 1998 | William O Lipinksi D | 72.5% | 159,899 | |
| 1996 | William O Lipinski D | 65.3% | 209,916 |