Called Nov 3Unofficial results
Missouri's 3rd District
U.S. House · Missouri
Bob Onder won re-election by 8.5 points over Bethany Mann.
Bob OnderRepublican · winner · incumbent
52.9%149,239
Bethany MannDemocrat
44.4%125,271
Jim HigginsLibertarian
2.7%7,700
99% of the expected vote counted · 282,210 votes
Source: civicAPI unofficial results and race callsUpdated Nov 4, 2026, 12:50 AM ET
Where the race moved
Against the 2024 presidential vote
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)
Money in this race
Each line compares the two campaigns on one scale.
Bethany MannBob Onder
$86.6K
Raised by the campaign
$1.1M
$85.3K
Spent by the campaign
$771.1K
$5.7K
Cash on hand
$525.8K
Campaign money: FEC, through Oct 14, 2026.
Source: FEC campaign filingsUpdated Oct 14, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Bethany Mann
- 1%
- Bob Onder
- 99%
- Projected margin
- R+18.5
The candidates
Bob Onder (R)
Incumbent U.S. representativeBethany Mann (D)
Technology specialist and nominee for this district in 2022 and 2024
Incumbent U.S. representativeBethany Mann (D)
Technology specialist and nominee for this district in 2022 and 2024
Also on the ballot: Jim Higgins (Libertarian), 2.7%
Changes to this page
- · Race called for Onder.