U.S. House · Missouri's 3rd District
Bethany Mann
CandidateD
- Race
- U.S. House · Missouri's 3rd District
- Result
- Bob Onder, projected winner
- Opponents
- Bob Onder (R); Jim Higgins (LIB)
- Research
- Basic
Party linenone
No recorded floor votes — not a current legislator in our records.
Said vs. did5 statements · 0 votes
When we slap a tariff on something that's imported, what the corporation is going to do is turn around and just charge the American consumer enough so that they are making up their profit margins for that particular piece.
Broad tariffs on imported goods
Compare statements with votes ›On the ballotU.S. House · 3
2026-11-03
| Bob Onder R | incumbent |
| Bethany Mann D | challenger |
| Jim Higgins LIB | challenger |
Won the August 4, 2026 Democratic primary
Said vs. did
Each documented position next to the recorded floor votes we map to the same issue. Votes are compared one at a time; no overall stance is inferred from them.
Lists defending abortion access as essential healthcare among her healthcare priorities.
Documented position[4]
No recorded floor vote in our key-vote set maps to this issue.
Supports Medicare/Healthcare for All to eliminate financial barriers to care.
Documented position[4]
No recorded floor vote in our key-vote set maps to this issue.
When we slap a tariff on something that's imported, what the corporation is going to do is turn around and just charge the American consumer enough so that they are making up their profit margins for that particular piece.
In a 2024 St. Louis Public Radio interview, said tariffs on imports would not hurt China and would be passed on to American consumers.[5]
No recorded floor vote in our key-vote set maps to this issue.
I'm talking about corporations that are in excess of $100 million, so it's not going to impact small to medium-sized business owners here domestically
In a 2024 interview, said she wants more taxation responsibility placed on corporations in excess of $100 million rather than on small businesses or the middle class.[5]
No recorded floor vote in our key-vote set maps to this issue.
Our system is overwhelmed by a lack of resources with private schools receiving public money while public school teachers struggle to make ends meet.
Her platform criticizes private schools receiving public money while public school teachers struggle, and calls for full and equal funding of public education.[6]
No recorded floor vote in our key-vote set maps to this issue.
Biography
Bethany Mann, a Democratic environmental chemist who has tested for contaminants including PFAS, lost the November 3, 2026 election for Missouri's 3rd District to Bob Onder. She had previously run for the seat in 2022 and 2024.[1][2][3]
Basic profile — the most important sourced facts we found.
Mann was born in Normal, Illinois, was homeschooled, and attended Wright City High School in Missouri; according to her campaign website, she grew up in Foristell and lives in St. Peters.[2][7] She earned an associate degree from Lincoln Land Community College (2008) and a bachelor's degree from the University of Illinois Springfield (2010).[2] She describes herself as an environmental chemist and technology professional, a working mother of three and a lifelong Missourian, with work in agriculture, energy and water infrastructure including testing for contaminants such as PFAS; Ballotpedia lists projects with the EPA and USDA.[2] Mann is the daughter of an Air Force veteran and granddaughter of a WWII veteran, according to her Ballotpedia survey.[2]
Mann serves on the executive board of the Kansas Laboratory Education Association and as Vice Chair of the Missouri Democrats LGBTQIA+ Caucus.[2] She was the Democratic nominee for Missouri's 3rd District in 2022, losing to Blaine Luetkemeyer with 34.9% of the vote, and again in 2024, losing to Bob Onder with 35.3%.[2] On August 4, 2026, she won the Democratic primary with 69.1% of the vote over Tommy Holstein and Paul Wilson.[2] During the campaign, she emphasized science-based policy, rural infrastructure investment and healthcare access.[1][2] Mann received 44.4% of the vote to Bob Onder's 52.9%, according to unofficial results reported by NBC News.[3]
In their own words
Priorities
- Economic opportunity and infrastructure: investing in union-led jobs in clean energy and agricultural technology, modernizing rural broadband, energy resilience and clean water access.[4]
- Accountability: protecting reproductive freedom, safeguarding voting rights and ensuring equitably funded public schools.[4]
- Rural healthcare: strengthening rural hospitals and expanding access through mobile clinics, telehealth and incentives to retain rural medical staff.[4]
Campaign money$43K raised · 100% from individuals · FEC through 2026-07-15
Totals this cycle
Bars share one scale (raised = full). Cash on hand can include money carried over from earlier cycles.
Who gave
- Individuals $43K
- PACs & committees $125
Largest committee contributions
Direct contributions only; outside spending is not included. Individual donors are itemized in the FEC’s receipts. All itemized receipts ↗ FEC filing ↗
Profile: /people/bethany-mann
Compare all 3 candidates side by side ›
Sources cited in this profile
- 1.United States House of Representatives elections in Missouri, 2026 · Ballotpedia · 2026-09-25 Reference
- 2.Bethany Mann - Ballotpedia Candidate Connection survey · Ballotpedia Candidate Connection survey · 2026 Candidate's own words
- 3.U.S. House · Missouri's 3rd District results 2026 · NBC News News report
- 4.Bethany Mann - Ballotpedia Candidate Connection survey · Ballotpedia Candidate Connection survey · 2026 Candidate's own words
- 5.Missouri 3rd Congressional District candidate Mann doesn't support increasing tariffs · St. Louis Public Radio · 2024-10-31 News report
- 6.Platform · Bethany Mann for Congress campaign website · 2026-10-03 Candidate's own words
- 7.Bethany Mann for Congress · Bethany Mann for Congress Candidate's own words