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Missouri's 3rd U.S. House District

Missouri · Next election 2026 · 4 active candidates · $2.0M raisedFederal
About This Office

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

Total Seats
435
Term Length
2 years
Salary
$174,000
Current Officeholders
Rep. Bob Onder
Rep. Bob OnderR
U.S. Representative · MO-003
Tenure
1y
Bills Spon.
19
Votes Missed
2.95%
Cross-party
22
Committees
Vice ChairEconomic Development, Public Buildings and Emergency Management Subcommittee
Education and the Workforce Committee
Transportation and Infrastructure Committee
+8 more
The 2026 Race

10 candidates filed, 4 active for the 2026 House election in Missouri District 3. Party primary on Aug 4, 2026. General election on Nov 3, 2026.

Primary
Aug 4, 2026
General
Nov 3, 2026
Total Raised
$2.0M
Candidates
4 active / 10 filed
Incumbent
Bob Onder (R-MO-3)R
Cash on Hand
$952K
Election History
YearWinnerResultRunner-UpTotal Votes
2024Bob Onder R61.3%Bethany E. Mann D 35.3%392,463
2022Blaine Luetkemeyer R65.1%Bethany Mann D 34.9%277,597
2020Blaine Luetkemeyer R69.4%Megan Rezabek D 28.5%407,348
2018Blaine Luetkemeyer R65.1%Katy Geppert D 32.8%324,608
2016Blaine Luetkemeyer R67.8%Kevin Miller D 27.9%368,323
2014Blaine Luetkemeyer R68.4%Courtney Denton D 27.2%191,554
2012Blaine Luetkemeyer R63.5%Eric C Mayer D 32.9%338,385
2010Russ Carnahan D48.9%Ed Martin R 46.7%203,082
2008Russ Carnahan D66.4%Chris Sander R 30.4%305,071
2006Russ Carnahan D65.6%David Bertelsen R 31.7%221,448
2004Russ Carnahan D52.9%Bill Federer R 45.1%277,905
2002Richard A Gephardt D59.1%Catherine S Enz R 38.9%206,878
2000Richard A Gephardt D57.8%Bill Federer R 39.7%254,539
1998Richard A Gephardt D55.8%William J Federer R 42.0%176,099
1996Richard A Gephardt D59.0%Deborah Lynn \"Debbie\" Wheelehan R 38.8%232,755
District
Population
780,389
Median HH Income
$82K
Unemployment
3.4%
Bachelor's+
35.5%
Veterans
7.1%
Median Age
39.4
Mean HH Income
$106K
Poverty Rate
9.9%
HS or Higher
93.4%
Median Home Value
$268K
Median Rent
$1,045/mo
Owner-Occupied
74.7%
Under 18 / 65+
21.2% / 17.8%