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

4 candidates filed, 3 active for the 2026 House election in Ohio District 4. Party primary on May 5, 2026. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2026 | Joshua Kolasinski D | 100.0% | 939 | |
| 2024 | Jim Jordan R | 68.5% | 399,202 | |
| 2022 | Jim Jordan R | 69.2% | 290,156 | |
| 2020 | Jim Jordan R | 67.9% | 347,626 | |
| 2018 | Jim Jordan R | 65.3% | 257,405 | |
| 2016 | Jim Jordan R | 68.0% | 309,208 | |
| 2014 | Jim Jordan R | 67.7% | 186,072 | |
| 2012 | Jim Jordan R | 58.4% | 312,998 | |
| 2010 | Jim Jordan R | 71.5% | 204,270 | |
| 2008 | Jim Jordan R | 65.2% | 285,653 | |
| 2006 | Jim Jordan R | 60.0% | 216,636 | |
| 2004 | Michael G Oxley R | 58.6% | 286,345 | |
| 2002 | Michael Oxley R | 67.5% | 177,727 | |
| 2000 | Michael G Oxley R | 67.4% | 232,118 | |
| 1998 | Michael G Oxley R | 63.8% | 175,540 |