County
San Mateo County
California
742,340 population$158,855 median income597,245 voting age0 active campaigns
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Officials Representing San Mateo County
Congressional District Coverage
San Mateo County is 70% in CA Congressional District 16, and 30% in CA Congressional District 15.
Area-weighted; population-weighted shares may differ in counties with large urban/rural density splits.
Median Income
$158,855
↑ 60%vs $99,122
Bachelor's+
53.7%
↑ 45%vs 37.1%
Under 18
19.6%
↓ 11%vs 22.0%
Owner-Occupied
58.5%
↑ 5%vs 55.9%
White (non-Hispanic)
37.8%
↔ 5%vs 39.7%
Demographics
American Community Survey 2024 5-year estimates
Race & Ethnicity
White37.8%
Hispanic/Latino24.9%
Black2.1%
Asian31.4%
Two or More14.4%
Other14.2%
Income & Economy
Median Household Income$158,855
Per Capita Income$84,288
Poverty Rate6.7%
Unemployment4.8%
Education
High School+90.3%
Bachelor's+53.7%
Housing
Median Home Value$1,559,600
Median Rent$2,922
Owner-Occupied58.5%
Health Insurance
Uninsured3.8%
Age Distribution
Under 1819.6%
65 and Over17.8%
Median Age40.9