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Elections · U.S. House · Missouri

2026 Missouri House race, District 3

Bob Onder (Republican), Bethany Mann (Democrat) and Jim Higgins (Libertarian) are on the November 3, 2026 ballot for U.S. House in Missouri District 3, as recorded September 21, 2026 from the Missouri Secretary of State.

The November ballot

Onder
$950K
Mann
$43K

Raised so far, filed with the FEC

Also in this race: Jim Higgins (Libertarian).

Certified list: Missouri Secretary of State. Faces and bars are the campaigns that hold the seat or have $25,000 raised or outside spending on file; being outside that group is a filing fact, not a mark. Not a prediction.

The seat

Bob Onder

Republican · Holds the seat now

First took office 2025 · Age 64

Discloses no individual stock trades.

Has not cosponsored a bill that would ban it

From the member's own disclosures and congress.gov. Not cosponsoring is not a vote against a ban.

See their record

How to vote in Missouri

  • General electionNovember 3, 2026 

Register 27 days before the election.

All dates and rules
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How they won the primary

The primary · 56,964 votes

  • Bethany Mann Won: 69.1% 39,358
  • Tommy Holstein: 17.7% 10,067
  • Paul Wilson (withdrawn): 13.2% 7,539

Primary results as recorded October 12, 2026, ordered by votes. Source: Missouri Secretary of State official primary results. Certified August 25, 2026. A primary result is a recorded fact about a past contest, not a prediction of November.

The money on this race

Raised by candidates
$1M
Outside money
$1.7K

Outside money, for and against

Supporting Onder$10
Opposing Onder$1.7K
Supporting Mann-
Opposing Mann-

Independent expenditures; direction is each filer's own declared filing. No outside money is on file for or against the other name on this ballot.

Where each candidate's money comes from

8%$78KSmall donors$25K58%
45%$427KLarge donors$18K42%
39%$373KPACs$125<1%
8%$72KOther$70<1%

Small donors give $200 or less; PACs are political action committees. Shares of each candidate's own receipts on file with the FEC. Outside money is not part of these figures.

Who is spending on this race

The largest groups spending independently here, ranked; open a row for whose race the money went into.

Independent expenditures reported to the FEC; direction is each group's own declared filing.

Not on the November ballot

5 filed

Primary candidates who did not advance, committees still on file, and candidacies that ended. Being here is a filing fact, not a mark against anyone.

The district

Census context
People
780K
Median household income
$82K
Unemployment
3.4%
Living below the poverty line
9.9%
Without health insurance
6.2%

U.S. Census Bureau, ACS 2024 5-year estimates. Context about the district, not a statement about any candidate.

How this seat voted last time

R+26 in 2024

  • Bob Onder Won: 61.3%
  • Bethany Mann: 35.3%

392,463 votes for candidates. Other candidates and write-ins took the remaining 3.4%. A past result is a filed fact, not a prediction of November.

Certified returns via MIT Election Data and Science Lab, from the House Clerk's election statistics and state canvasses.

More on the Missouri ballot8 House races statewideYour full ballot at Missouri's Voting Center Find your races by ZIP →

Candidates and financing from the FEC, public domain. Candidate totals are each campaign's latest FEC report, ending between July 15, 2026 and August 4, 2026. Outside money is the FEC's processed total of independent expenditures plus the 24- and 48-hour reports filed since each group's latest regular report. It covers this two-year cycle, the same as the candidate totals. Dataset built 2026-10-12. Nothing here is a forecast, a grade, or a ranking of candidates.