Response review
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Who is my U.S. representative in IL-01?
The current U.S. Representative for Illinois's 1st Congressional District (IL-01) is Jonathan L. Jackson, a Democrat. He has represented the district since January 2023 and is serving his second term in the House. jonathanjackson.house.gov +1 You can contact his offices at: Washington, DC: (202) 225-4372 Chicago District Office: (773) 779-2400 jonathanjackson.house.gov
Cited sources
Grade
Judge
accurate
Judge model claude-opus-4-8
The response correctly identifies Jonathan Jackson as the U.S. Representative for IL-01, matching the ground truth. Additional contact details and source are consistent with an official house.gov domain.
Human
not reviewed
Final
accurate
Ground truth
representative: Jonathan Jackson
clerk.house.gov 100
as of 2026-07-07