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California's 45th district

U.S. House district profile: the sitting representative, 2024 Census demographics (119th-district boundaries), partisan lean, and 2026 race rating.

Representative

Official portrait of Derek Tran

Derek Tran

CA · District 45
DemocratRanking Member, Oversight, Investigations, and RegulationsCook: Likely D
Raised $4,981,277 · 4K followers (office + personal) · missed 0.0% of votes
1.7 years in Congress · Up for reelection: 2026
House Committee on Armed Services · House Committee on Small Business +4 more
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Cook PVI: D+3

2026 race rating: Likely D

District demographics

MeasureValue
Population741,928
Median household income$105,531
Median age42.2
Bachelor's degree or higher38.5%
White alone22.0%
Black alone1.7%
Hispanic or Latino30.8%
Asian alone40.9%
Unemployment rate4.5%
Population density (per sq mi)7,160

Source: U.S. Census Bureau, 2024 American Community Survey 1-year estimates (tables B01003, B01002, B19013 and related), 119th Congress district boundaries, released September 2025; land area from the 2025 Gazetteer.