In 2020, San Mateo County, CA had a population of 766k people with a median age of 39.8 and a median household income of $128,091. Between 2019 and 2020 the population of San Mateo County, CA declined from 767,423 to 765,623, a −0.235% decrease and its median household income grew from $122,641 to $128,091, a 4.44% increase.
The 5 largest ethnic groups in San Mateo County, CA are White (Non-Hispanic) (38.6%), Asian (Non-Hispanic) (29%), Other (Hispanic) (10.1%), White (Hispanic) (9.76%), and Two+ (Non-Hispanic) (4.25%).
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.
85.6% of the residents in San Mateo County, CA are U.S. citizens.
The largest universities in San Mateo County, CA are Skyline College (1,253 degrees awarded in 2020), Gurnick Academy of Medical Arts (1,176 degrees), and College of San Mateo (1,122 degrees).
In 2020, the median property value in San Mateo County, CA was $1.16M, and the homeownership rate was 59.9%.
Most people in San Mateo County, CA drove alone to work, and the average commute time was 29.4 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.