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

24 candidates filed, 4 active for the 2026 House election in South Carolina District 1. Party primary on Jun 23, 2026. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | Nancy Mace R | 58.3% | 390,084 | |
| 2022 | Nancy Mace R | 56.5% | 272,187 | |
| 2020 | Nancy Mace R | 50.6% | 426,669 | |
| 2018 | Joe Cunningham D | 50.7% | 286,928 | |
| 2016 | Mark Sanford R | 60.4% | 315,337 | |
| 2014 | Mark Sanford R | 100.0% | 119,392 | |
| 2012 | Tim Scott R | 63.3% | 284,396 | |
| 2010 | Tim Scott R | 65.4% | 233,532 | |
| 2008 | Henry E Brown Jr R | 52.0% | 341,264 | |
| 2006 | Henry E Brown Jr R | 59.9% | 193,271 | |
| 2004 | Henry E Brown R | 87.9% | 212,122 | |
| 2002 | Henry E Brown Jr R | 89.6% | 142,368 | |
| 2000 | Henry Brown R | 60.6% | 230,296 | |
| 1998 | Marshall \"Mark\" Sanford R | 91.1% | 130,000 | |
| 1996 | Marshall \"Mark\" Sanford R | 96.4% | 143,572 |