Missouri's 3rd District: 2026 result
Called · unofficial countOnder (R) 52.9%, Mann (D) 11.5%.
Bob Onder (Republican) won Missouri's 3rd District in the 3 November 2026 election, with 52.9% of the vote to Bethany E. Mann's 11.5%, a margin of 41.4 points (116,931 votes). The seat stays Republican. Count as of November 11 at 1:18 PM EST, not yet certified.
What stands out in MO-3
from the count and past results- In 2024 the district went R+26.0 (Onder 61.3%, Mann 35.3%); in 2026 it went R+41.4, a 15.4-point swing toward Republicans.
- Donald Trump carried this district by 27.0 points in 2024; Onder's margin was 41.4 points, 14.4 points wider.
- One of the widest margins of 2026: Onder finished 41.4 points ahead of Mann.
- Cook Partisan Voting Index for the district, on its 2026 lines: R+13.
- Republican hold: the incumbent, Bob Onder, was re-elected.
- 282,239 votes are counted so far, against 392,463 in 2024.
Missouri's 3rd District: candidates and votes
Called · unofficial countGeneral election, 3 November 2026 · as of November 11 at 1:18 PM EST
| Candidate | Party | Votes | % |
|---|---|---|---|
| Bob Onder · incumbent | Republican | 149,239 | 52.9 |
| Bethany E. Mann | Democratic | 32,308 | 11.5 |
| Jim Higgins | Libertarian | 7,700 | 2.7 |
| Write-ins | Write-in | 29 | 0.0 |
| Total | 282,239 | 100.0 |
Republican hold.
MO-3 in 2024
same district linesHouse election, 5 November 2024
| Candidate | Party | Votes | % |
|---|---|---|---|
| Bob Onder | Republican | 240,620 | 61.3 |
| Bethany Mann | Democratic | 138,532 | 35.3 |
| Jordan Rowden | Other | 9,298 | 2.4 |
| William Hastings | Other | 4,013 | 1.0 |
| Total | 392,463 | 100.0 |
2024 presidential vote in the district: Trump 63.0%, Harris 36.0%.
Related races
Sources
- Votes and candidates: Wikipedia, 2026 United States House of Representatives elections in Missouri (revision 1385066171, November 11 at 1:18 PM EST), which cites the state election office and AP race calls.
- Race call and incumbent: Wikipedia, 2026 United States House of Representatives elections (revision 1385103391). A race is shown as called only when that article marks a winner.
- 2024 comparison: the 2024 House result from Wikipedia's 2024 House election articles; the 2024 presidential vote in the district from the district's own Wikipedia article.
- Text and figures from Wikipedia are available under CC BY-SA 4.0. Results are unofficial until the state certifies them; this page updates with the source.