U.S. House seat for Florida's 18th congressional district. Representatives serve two-year terms.

5 candidates filed, 2 active for the 2026 House election in Florida District 18. Party primary on Aug 18, 2026. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | Scott Franklin R | 65.3% | 344,807 | |
| 2022 | C Scott Franklin R | 74.7% | 224,076 | |
| 2020 | Brian J Mast R | 56.3% | 449,720 | |
| 2018 | Brian Mast R | 54.3% | 342,359 | |
| 2016 | Brian Mast R | 53.6% | 375,909 | |
| 2014 | Patrick Murphy D | 59.8% | 253,374 | |
| 2012 | Patrick Murphy D | 50.3% | 330,610 | |
| 2010 | Ileana Ros-Lehtinen R | 68.9% | 148,595 | |
| 2008 | Ileana Ros-Lehtinen R | 57.9% | 242,989 | |
| 2006 | Ileana Ros-Lehtinen R | 62.1% | 128,130 | |
| 2004 | Ileana Ros-Lehtinen R | 64.7% | 221,928 | |
| 2002 | Ileana Ros-Lehtinen R | 69.1% | 149,787 | |
| 2000 | Ileana Ros-Lehtinen R | 100.0% | 112,968 | |
| 1998 | Ileana Ros-Lehtinen R | 100.0% | 1 | |
| 1996 | Ileana Ros-Lehtinen R | 100.0% | 123,659 |