U.S. House seat for Mississippi's 3rd congressional district. Representatives serve two-year terms.

5 candidates filed, 3 active for the 2026 House election in Mississippi District 3. Party primary on Mar 10, 2026. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | Michael Guest R | 100.0% | 265,159 | |
| 2022 | Michael Guest R | 70.7% | 187,284 | |
| 2020 | Michael Guest R | 64.7% | 341,846 | |
| 2018 | Michael Guest R | 62.3% | 257,271 | |
| 2016 | Gregg Harper R | 66.2% | 316,445 | |
| 2014 | Gregg Harper R | 68.9% | 170,946 | |
| 2012 | Gregg Harper R | 80.0% | 293,322 | |
| 2010 | Gregg Harper R | 68.0% | 194,716 | |
| 2008 | Gregg Harper R | 62.5% | 340,869 | |
| 2006 | Charles W \"Chip\" Pickering R | 77.7% | 161,480 | |
| 2004 | Charles W \"Chip\" Pickering R | 80.1% | 293,368 | |
| 2002 | Charles W \"Chip\" Pickering R | 63.6% | 219,151 | |
| 2000 | Charles W \"Chip\" Pickering R | 73.2% | 210,363 | |
| 1998 | Charles W \"Chip\" Pickering R | 84.6% | 100,250 | |
| 1996 | Charles W \"Chip\" Pickering Jr R | 61.4% | 188,144 |