In 2018, San Mateo County, CA had a population of 770k people with a median age of 39.9 and a median household income of $124,425. Between 2017 and 2018 the population of San Mateo County, CA declined from 771,410 to 769,545, a -0.242% decrease and its median household income grew from $116,653 to $124,425, a 6.66% increase.
The 5 largest ethnic groups in San Mateo County, CA are White (Non-Hispanic) (38.4%), Asian (Non-Hispanic) (29.1%), White (Hispanic) (11.7%), Other (Hispanic) (9.86%), and Two+ (Non-Hispanic) (4.25%). 45.8% of the people in San Mateo County, CA speak a non-English language, and 85.2% are U.S. citizens.
The largest universities in San Mateo County, CA are College of San Mateo (1,932 degrees awarded in 2017), Skyline College (1,234 degrees), and Canada College (870 degrees).
The median property value in San Mateo County, CA is $1.21M, and the homeownership rate is 60.5%. Most people in San Mateo County, CA commute by Drove Alone, and the average commute time is 28.1 minutes. The average car ownership in San Mateo County, CA is 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.