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Who is my U.S. representative in TX-20?

Captured 2026-07-16 17:05:29 UTC Model ChatGPT Source page 
If you mean Texas's 20th Congressional District (TX-20), your current U.S. representative is Joaquin Castro, a Democrat. He has represented the district since 2013. 
Congress.gov
+1

TX-20 is centered on San Antonio and includes much of the city's urban core. 
The Texas Tribune
+1

If you'd like, I can also provide:

his committee assignments,

contact information for his district or Washington office,

or help verify whether a specific address falls within TX-20.

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The response correctly identifies Joaquin Castro as the U.S. representative for TX-20, matching the ground truth.

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Final accurate

Ground truth

representative: Joaquin Castro

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

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

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