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Who is my U.S. representative in CA-21?
The current U.S. representative for California's 21st Congressional District (CA-21) is Jim Costa, a Democrat. He has represented the district since the start of the 119th Congress, and the district covers much of the central San Joaquin Valley, including parts of Fresno and Tulare counties. costa.house.gov +1 If you're asking because you want help contacting your representative or confirming whether your specific address is in CA-21, I can help with that too.
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The response correctly identifies Jim Costa as the U.S. representative for CA-21, matching the ground truth.
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Ground truth
representative: Jim Costa
clerk.house.gov 100
as of 2026-07-07