Missouri's 3rd Congressional District, 2026

Incumbent running

Bethany Mann (D) vs. Bob Onder (R): Missouri's 3rd District election is on Tuesday, November 3, 2026, part of the 2026 midterm elections.

BM
Bethany Mann
Democratic
FEC filing ↗
Bob Onder, Republican candidate for U.S. House in Missouri
Bob Onder
Republican
Incumbent · U.S. Representative, MO-3, since 2025Voting record →
Campaign money →FEC filing ↗

Also on the ballot

Seat held by
(R) Robert Onder, since 2025
Election day
Tuesday, Nov. 3, 2026
Term
Jan 3, 2027 – Jan 3, 2029

Who is running for Missouri's 3rd Congressional District?

Who holds this seat now?

(R) Robert Onder, since 2025

When is the election?

Tuesday, Nov. 3, 2026

This race is for Missouri's 3rd Congressional District (MO-3, District 3). Find your district on the district map.

Candidate list: civicAPI ↗