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California's 10th 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 Mark DeSaulnier

Mark DeSaulnier

CA · District 10
DemocratRanking Member, Health, Employment, Labor, and PensionsRanking Member, House Committee on Ethics
Raised $567,258 · 57K followers (office + personal) · missed 0.3% of votes
11.7 years in Congress · Up for reelection: 2026
House Committee on Transportation and Infrastructure · House Committee on Education and Workforce +7 more
View profile

Cook PVI: D+18

District demographics

MeasureValue
Population773,816
Median household income$151,546
Median age41.4
Bachelor's degree or higher55.8%
White alone43.4%
Black alone4.5%
Hispanic or Latino20.2%
Asian alone23.4%
Unemployment rate6.3%
Population density (per sq mi)1,440

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.