Robert F. Onder, Jr.
Republican · MO-3 · U.S. House
MO-3 — U.S. House
Safe R 98%Robert F. Onder, Jr. is on the ballot. Bethany Mann vs. Bob Onder. Runs on a newly enacted district map.
Bio
Robert Frank Onder Jr. is an American politician, attorney, and physician from the state of Missouri. He is the member of the United States House of Representatives for Missouri's 3rd congressional district. He is a member of the Republican Party.
Full bio on Wikipedia →Record of service
- In office
- 1.7 years
- First took office
- 2025 (1 terms)
- Seniority
- 396 of 439 by time served
- Age
- 64
- Cottleville, MO · 636-327-7055
- Jefferson City, MO · 573-635-7232
Service history, offices and identifiers from unitedstates/congress-legislators (public domain). Years served sum each term rather than subtracting the first start date, so a break in service is not counted as time in office.
Reported net worth
- Assets
- $8.1M – $35.3M
- Liabilities
- $0 – $0
- Net worth
- $8.1M – $35.3M
Largest holdings in the 2025 filing · 63 assets reported
Largest first, capped at 40 line items. Each is the asset's reported value bracket, not the income it produced.
From annual financial disclosures, which report every asset and debt as a bracket — so these are ranges, and the figure shown is their midpoint. A primary residence is not a reportable asset while its mortgage is a reportable debt, which pushes some members negative. How this is calculated →
Overall lean (DW-NOMINATE)
Issue profile
Each issue runs left ↔ right, scored from how the member voted on bills tagged to that issue (−1…+1). Issues with too few votes are blank. Overall lean uses DW-NOMINATE.
How they score against the parties
Robert F. Onder, Jr.'s voting record compared with each party's national platform, issue by issue — the same similarity score used across the site.
On the political map
Robert F. Onder, Jr. (the large ringed dot) among every current member of Congress and the party platforms.
Each small dot is a current member (Dem · Rep); the larger dots are party platforms — click one for its closest members. Economic axis: taxes, healthcare, labor, energy. Social axis: abortion, guns, immigration, civil rights, crime.
Do you vote like Jr.?
Answer a few questions on the issues and see which members of Congress — and which party — actually line up with you.
Caucuses & committees
Where Jr.sits in Congress's own organization — each group's lean is computed from its members' voting records. Explore them all on the caucuses and committees pages.
Committees
- House Committee on Education and Workforcecenter · 37 members
- House Committee on the Judiciarycenter · 44 members
- House Committee on Transportation and Infrastructurecenter · 67 members
Most and least aligned members
Treating Jr.'s 14 issue scores as a vector, cosine similarity measures whether two voting records point the same way (+100%) or in opposite directions (−100%) — the colleagues whose records align most and least with theirs.
Recent notable votes
Latest news
Supreme Court rejects Trump-backed Missouri congressional map for 3rd timeJEFFERSON CITY, Mo. (AP) — The Supreme Court on Friday turned away an attempt to use a new Missouri congressional map backed by President Donald Trump, putting an end to a long-running legal dispute as absentee voting is underway in the midterm elections. Th…
Yahoo Entertainment · September 25, 2026
Missouri GOP caves on its gerrymandered map crusade — for nowMissouri Republicans are pressing on with a federal appeals court fight over the state's gerrymandered congressional map, even though the battle over this year's election is effectively over — a tacit admission that this round of litigation is really about se…
Raw Story · September 15, 2026
The Supreme Court Hits a Limit With Missouri’s Election Map MessThe Supreme Court rejected a brazen plot by Missouri Republican officials to hold the state’s upcoming congressional elections under an illegal map on Thursday morning, ending a weeklong jumble of dueling court orders that disrupted the state’s election proce…
The New Republic · September 10, 2026
Terse Supreme Court ruling shuts down GOP's Missouri gerrymander hopes for midtermsThe U.S. Supreme Court on Thursday blocked a federal judge's order forcing Missouri to hold its November elections under a gerrymandered map the state's high court said never took effect.The order ran roughly ten lines, carried no signature and offered no rea…
Raw Story · September 10, 2026
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