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Who is my U.S. representative in CA-48?
The current U.S. Representative for California's 48th Congressional District (CA-48) is Darrell Issa, a Republican. He has represented the district since January 2023, following California's post-2020 redistricting. Representative Darrell Issa +1 CA-48 includes much of central and eastern San Diego County and part of Riverside County, including communities such as Escondido, Poway, Santee, Lakeside, Alpine, Temecula, Murrieta, Fallbrook, and Valley Center. Representative Darrell Issa If you want to verify whether a specific address is in CA-48 (district boundaries can be tricky), let me know the ZIP code or address and I can help confirm it.
Cited sources
Grade
Judge
accurate
Judge model claude-opus-4-8
The response correctly identifies Darrell Issa as the U.S. Representative for CA-48, matching the ground truth, though the district geography description contains some inaccuracies.
Human
not reviewed
Final
accurate
Ground truth
representative: Darrell Issa
clerk.house.gov 100
as of 2026-07-07