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Who is my U.S. representative in MO-03?
Your U.S. representative for Missouri's 3rd Congressional District is Bob Onder (Robert F. Onder Jr.), a Republicanwho has served since January 3, 2025, and is running for reelection against John Fraser in the Republican primary on August 4, 2026. GovTrack.us Ballotpedia A couple of things worth noting: There's an ongoing redistricting situation in Missouri — the state legislature passed a new congressional map in September 2025, signed by Gov. Kehoe, though opponents submitted signatures for a veto referendum aiming to block that map. Depending on where exactly you live, district lines could shift for the 2026 election. Ballotpedia Ballotpedia The general election for this seat is November 3, 2026. Ballotpedia If you want to double-check your specific address is still in MO-03 (in case the new map affects you), you can look it up at house.gov's "Find Your Representative" tool.
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The response correctly identifies Bob Onder (Robert F. Onder Jr.) as the U.S. representative for MO-03, matching the ground truth of Robert Onder.
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Final
accurate
Ground truth
representative: Robert Onder
clerk.house.gov 100
as of 2026-07-07