San Mateo County, California

CA · FIPS 06081 · ACS 2024 5-Year Estimates

Key Statistics

Total Population
742,340
Rank #89 of 3,222
97th %ile
Median Household Income
$158,855 +111.4% vs nat'l
Rank #3 of 3,222
100th %ile
Poverty Rate
6.7% −46.8% vs nat'l
Rank #178 of 3,222
95th %ile
Median Home Value
$1.6M +453.2% vs nat'l
Rank #3 of 3,222
100th %ile
Bachelor's Degree or Higher
53.7% +59.3% vs nat'l
Rank #63 of 3,222
98th %ile
Unemployment Rate
4.8% −10.0% vs nat'l
Rank #1,859 of 3,222
42th %ile

At a Glance

58.5% Homeownership
96.2% Insured
53.7% Bachelor's+

Age & Sex Distribution

MaleFemale
0-910-1920-2930-3940-4950-5960-6970-7980+10%5%0%5%10%

Race & Ethnicity

White (non-Hispanic)Asian (non-Hispanic)Hispanic or LatinoTwo or More RacesBlack (non-Hispanic)Native Hawaiian/Pacific IslanderOther (non-Hispanic)American Indian (non-Hispanic)0.0%6.7%13.5%20.2%26.9%33.7%34.7%31.0%24.9%5.2%2.0%1.1%0.9%0.1%

About San Mateo County, California

San Mateo County, California has a total population of 742,340, making it the 89th most populous county in the United States. The median age in San Mateo County is 40.9 years, which is 5.1% above the national median of 38.9 years.

The median household income in San Mateo County is $158,855, which ranks #3 of 3,222 counties nationwide. This is 111.4% above the national median of $75,149. The poverty rate is 6.7%, lower than the national rate of 12.6%. The unemployment rate stands at 4.8%.

The median home value in San Mateo County is $1.6M, 453.2% above the national median. Renters in San Mateo County pay a median gross rent of $2,922 per month. The homeownership rate is 58.5%, compared to the national rate of 64.4%.

In San Mateo County, 53.7% of residents aged 25 and older hold a bachelor's degree or higher, 59.3% above the national average of 33.7%. Health insurance coverage stands at 96.2% of the population. The average commute time for workers is 29.5 min.

San Mateo County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 34.7% of the population, followed by Asian (non-Hispanic) (31.0%) and Hispanic or Latino (24.9%).

All data for San Mateo County, California comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.