HOUSE
Missouri MO-03 House2026
RACE AT A GLANCE
RACE TYPE
Incumbent running
Bob Onder (R)
COOK PARTISAN VOTING INDEX
Last updated : Nov 17, 2025D +50
R +50
R +10
Race summary
Despite receiving an endorsement from the campaign arm of the House Freedom Caucus in 2024, freshman Rep. Bob Onder ultimately chose not to join its ranks.Key Dates
Filing Deadline: Mar 31, 2026
Primary Election: Aug 4, 2026
INCUMBENT
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CANDIDATES
Democrats
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DISTRICT DATA
Missouri - 03
East central: part of Jefferson City, St. Charles
Population Breakdown
Source: 2020 Census (VAP) for 2026
Past Presidential Results from this District
2024 Election Results
Source: Dave Leip
2020 Election Results
Source: Dave's Redistricting/VEST
RACE ANALYSIS
Race Analysis
Updated: Jul 24, 2025
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