U.S. House seat for Indiana's 1st congressional district. Representatives serve two-year terms.

8 candidates filed, 2 active for the 2026 House election in Indiana District 1. Party primary on May 5, 2026. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | Frank J. Mrvan D | 53.4% | 322,723 | |
| 2022 | Frank J Mrvan D | 52.8% | 213,198 | |
| 2020 | Frank J Mrvan D | 56.6% | 326,948 | |
| 2018 | Peter J Visclosky D | 65.1% | 245,205 | |
| 2016 | Peter J Visclosky D | 81.5% | 254,566 | |
| 2014 | Peter J Visclosky D | 60.8% | 142,293 | |
| 2012 | Peter J Visclosky D | 67.3% | 279,034 | |
| 2010 | Peter J Visclosky D | 58.6% | 169,707 | |
| 2008 | Peter J Visclosky D | 70.9% | 282,022 | |
| 2006 | Peter J Visclosky D | 69.6% | 149,607 | |
| 2004 | Peter J Visclosky D | 68.3% | 261,264 | |
| 2002 | Peter J Visclosky D | 66.9% | 135,111 | |
| 2000 | Peter J Visclosky D | 71.6% | 207,790 | |
| 1998 | Peter J Visclosky D | 72.5% | 127,754 | |
| 1996 | Peter J Visclosky D | 69.2% | 193,113 |