Who is my U.S. representative in CA-45?

Captured 2026-07-15 01:18:42 UTC Model Claude Source page
Your U.S. Representative for California's 45th District is Derek Tran, a Democrat. He's served since January 3, 2025, and is next up for reelection in 2026. 
GovTrack.us

A couple of notes worth flagging:

The district covers western Orange County and eastern Los Angeles County, including cities like Cypress, Brea, Placentia, Westminster, Garden Grove, Buena Park, Fountain Valley, Los Alamitos, La Palma, Cerritos, Artesia, and Hawaiian Gardens, plus parts of Yorba Linda, Fullerton, and Lakewood. If you're near the edges of these cities, it's worth double-checking your exact address falls in CA-45. 
Wikipedia
Tran defeated incumbent Michelle Steel in the 2024 general election. California redrew its congressional district boundaries ahead of the 2026 elections, so it's possible your district lines have shifted — worth verifying if you're unsure. 
Ballotpedia
Ballotpedia

If you want to double-check you're in the right district or find contact info for Tran's office, the House website (house.gov) has a "Find Your Representative" lookup tool by zip code/address.

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The response correctly identifies Derek Tran as the U.S. Representative for CA-45, matching the ground truth, with additional accurate contextual details.

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Ground truth

representative: Derek Tran

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

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

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