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Who is my U.S. representative in MA-09?
Your U.S. Representative for Massachusetts's 9th Congressional District (MA-09) is William R. (Bill) Keating, a Democrat. He has represented the district since 2013. Congressman Bill Keating +1 MA-09 includes much of: Cape Cod Martha's Vineyard and Nantucket The South Coast (including New Bedford) The South Shore (including communities such as Plymouth and Cohasset) Congressman Bill Keating +1 If you're not sure whether your specific address is in MA-09, I can also help verify your district based on your ZIP code or city.
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Grade
Judge
accurate
Judge model claude-opus-4-8
The response correctly identifies William (Bill) Keating as the U.S. Representative for MA-09, matching the ground truth.
Human
not reviewed
Final
accurate
Ground truth
representative: William Keating
clerk.house.gov 100
as of 2026-07-07