Who is my U.S. representative in CA-04?

Captured 2026-07-10 20:19:02 UTC Model gpt-5-2025-08-07
As of July 10, 2026, California’s 4th congressional district (CA‑04) is represented by Mike Thompson (Democrat). ([clerk.house.gov](https://clerk.house.gov/Members/T000460?os=vbkn42tqho5h1rnbcsportbayar&utm_source=openai))

If you want to double-check using your address or ZIP code, use the official House “Find Your Representative” lookup. ([ziplook.house.gov](https://ziplook.house.gov/htbin/findrep_house?ZIP=95616&utm_source=openai))

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Judge accurate

Judge model claude-opus-4-8

The response correctly identifies Mike Thompson (Democrat) as the representative for CA-04, matching the ground truth.

Human not reviewed
Final accurate

Ground truth

representative: Mike Thompson

clerk.house.gov 100 as of 2026-07-07

https://clerk.house.gov/xml/lists/MemberData.xml

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The human verdict is authoritative — it becomes the final verdict.