In 2021, San Mateo County, CA had a population of 762k people with a median age of 40 and a median household income of $136,837. Between 2020 and 2021 the population of San Mateo County, CA declined from 765,623 to 762,488, a −0.409% decrease and its median household income grew from $128,091 to $136,837, a 6.83% increase.
The 5 largest ethnic groups in San Mateo County, CA are White (Non-Hispanic) (37.8%), Asian (Non-Hispanic) (29.6%), Other (Hispanic) (10.4%), White (Hispanic) (8.11%), and Two+ (Hispanic) (4.57%).
None of the households in San Mateo County, CA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
85.7% of the residents in San Mateo County, CA are U.S. citizens.
The largest universities in San Mateo County, CA are Gurnick Academy of Medical Arts (1,454 degrees awarded in 2021), Skyline College (1,294 degrees), and College of San Mateo (1,124 degrees).
In 2021, the median property value in San Mateo County, CA was $1.23M, and the homeownership rate was 59.8%.
Most people in San Mateo County, CA drove alone to work, and the average commute time was 28.7 minutes. The average car ownership in San Mateo County, CA was 2 cars per household.
San Mateo County, CA borders Alameda County, CA, San Francisco County, CA, Santa Clara County, CA, and Santa Cruz County, CA.