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Who is my U.S. representative in FL-21?
If you're referring to Florida's 21st congressional district (FL-21), your current U.S. representative is Brian Mast, a Republican. He has represented the district since 2017 and is serving in the 119th Congress. Wikipedia +1 Florida's 21st district includes parts of the Treasure Coast and northern Palm Beach County, including areas around Stuart, Jupiter, and Palm City. Boundaries are scheduled to change for the 2026 election under Florida's new congressional map, but Brian Mast remains the incumbent representative until the next Congress takes office. Econ & Demographic Research Office +1 If you want to confirm whether your specific address is in FL-21 (especially if you live near a district boundary), tell me your ZIP code or city and I'll help verify it.
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accurate
Judge model claude-opus-4-8
The response correctly identifies Brian Mast as the U.S. representative for FL-21, matching the ground truth.
Human
not reviewed
Final
accurate
Ground truth
representative: Brian Mast
clerk.house.gov 100
as of 2026-07-07