
U.S. Representative for Missouri’s 3rd district
Republican
119th Congress, two-year term
Missed 3.0% of roll calls. Chamber median 1.9%.
The full voting recordCounts roll calls where most Democrats and most Republicans voted differently, leaving out procedural votes.
How we countFrom FEC filings, Voteview roll calls and Congress.gov.
Republican. In Congress since 2025, 1 term in total.
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Bills and resolutions where Onder is the primary sponsor. Most bills never leave committee; that is normal for every member. Source: Congress.gov, last updated Oct 29, 2026.
3 of 19 have at least one cosponsor from the other party.
Improving CTU Act of 2026
Introduced Jul 9, 2026. 0 cosponsors. H.R. 9636 on Congress.gov(opens in a new tab)
Introduced
Health DATA Act of 2026
Introduced Jun 9, 2026. 2 cosponsors. H.R. 9228 on Congress.gov(opens in a new tab)
Introduced
Child Care Integrity Monitoring Act of 2026
Introduced Feb 26, 2026. 1 cosponsor. H.R. 7722 on Congress.gov
Introduced
CARBON Act
Introduced Feb 12, 2026. 0 cosponsors. H.R. 7554 on Congress.gov(opens in a new tab)
Introduced
ROTOR Act
Introduced Nov 20, 2025. 32 cosponsors, 20 from the other party. H.R. 6222 on Congress.gov(opens in a new tab)
Introduced
Endorsement Transparency Act
Introduced Nov 19, 2025. 2 cosponsors. H.R. 6156 on Congress.gov(opens in a new tab)
Introduced
Chloe Cole Act
Introduced Sep 18, 2025. 44 cosponsors. H.R. 5483 on Congress.gov(opens in a new tab)
Introduced
MEGA Act of 2025
Introduced Jul 23, 2025. 0 cosponsors. H.R. 4715 on Congress.gov(opens in a new tab)
Introduced
PAPA Act of 2025
Introduced Jun 25, 2025. 9 cosponsors. H.R. 4146 on Congress.gov(opens in a new tab)
Introduced
Worker Enfranchisement Act
Introduced Apr 1, 2025. 9 cosponsors. H.R. 2572 on Congress.gov(opens in a new tab)
Introduced
Self-Insurance Protection Act
Introduced Apr 1, 2025. 2 cosponsors. H.R. 2571 on Congress.gov(opens in a new tab)
Introduced
No Harm Act
Introduced Mar 26, 2025. 8 cosponsors. H.R. 2387 on Congress.gov(opens in a new tab)
Introduced
Protecting Life and Integrity in Research Act of 2025
Introduced Mar 11, 2025. 33 cosponsors. H.R. 2075 on Congress.gov(opens in a new tab)
Introduced
Timely Departure Act
Introduced Mar 4, 2025. 7 cosponsors. H.R. 1837 on Congress.gov(opens in a new tab)
Introduced