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

15 candidates filed, 3 active for the 2026 House election in Indiana District 4. Party primary on May 5, 2026. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | James R. Baird R | 64.8% | 323,595 | |
| 2022 | James R Baird R | 68.2% | 197,698 | |
| 2020 | James R Baird R | 66.6% | 338,515 | |
| 2018 | Jim Baird R | 64.1% | 244,363 | |
| 2016 | Todd Rokita R | 64.6% | 299,434 | |
| 2014 | Todd Rokita R | 66.9% | 142,054 | |
| 2012 | Todd Rokita R | 62.0% | 272,268 | |
| 2010 | Todd Rokita R | 68.6% | 202,322 | |
| 2008 | Steve Buyer R | 59.9% | 321,564 | |
| 2006 | Steve Buyer R | 62.4% | 178,043 | |
| 2004 | Steve Buyer R | 69.5% | 274,136 | |
| 2002 | Steve Buyer R | 71.4% | 158,008 | |
| 2000 | Mark E Souder R | 62.3% | 210,430 | |
| 1998 | Mark E Souder R | 63.3% | 147,957 | |
| 1996 | Mark E Souder R | 58.4% | 207,880 |