U.S. House seat for Ohio's 9th congressional district. Representatives serve two-year terms.

10 candidates filed, 2 active for the 2026 House election in Ohio District 9. Party primary on May 5, 2026. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | Marcy Kaptur D | 48.3% | 375,195 | |
| 2022 | Marcy Kaptur D | 56.6% | 266,017 | |
| 2020 | Marcy Kaptur D | 63.1% | 301,752 | |
| 2018 | Marcy Kaptur D | 67.8% | 231,889 | |
| 2016 | Marcy Kaptur D | 68.7% | 282,393 | |
| 2014 | Marcy Kaptur D | 67.8% | 160,574 | |
| 2012 | Marcy Kaptur D | 73.0% | 298,164 | |
| 2010 | Marcy Kaptur D | 59.4% | 205,242 | |
| 2008 | Marcy Kaptur D | 74.4% | 298,566 | |
| 2006 | Marcy Kaptur D | 73.6% | 208,999 | |
| 2004 | Marcy Kaptur D | 68.1% | 301,132 | |
| 2002 | Marcy Kaptur D | 74.0% | 178,717 | |
| 2000 | Marcy Kaptur D | 74.8% | 225,328 | |
| 1998 | Marcy Kaptur D | 81.2% | 161,105 | |
| 1996 | Marcy Kaptur D | 77.1% | 221,334 |