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Who is my U.S. representative in MA-04?
Your U.S. Representative for Massachusetts’s 4th Congressional District (MA-04) is Jake Auchincloss (Democrat). House of Representatives +1 Rep. Auchincloss represents communities including parts of eastern Massachusetts, and his district includes areas such as Newton, Brookline, Wellesley, and Fall River (among others). Massachusetts Secretary If you want to confirm based on your exact address (since congressional districts can be ZIP-code specific), you can use the House’s Find Your Representative tool. House of Representatives
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Grade
Judge
accurate
Judge model claude-opus-4-8
The response correctly identifies Jake Auchincloss (Democrat) as the U.S. Representative for MA-04, matching the ground truth.
Human
not reviewed
Final
accurate
Ground truth
representative: Jake Auchincloss
clerk.house.gov 100
as of 2026-07-07