In 2017, San Mateo County, CA had a population of 771k people with a median age of 39.9 and a median household income of $116,653. Between 2016 and 2017 the population of San Mateo County, CA grew from 764,797 to 771,410, a 0.865% increase and its median household income grew from $108,627 to $116,653, a 7.39% increase.
The population of San Mateo County, CA is 39% White Alone, 28.2% Asian Alone, and 24.5% Hispanic or Latino. 47.1% of the people in San Mateo County, CA speak a non-English language, and 85.2% are U.S. citizens.
The median property value in San Mateo County, CA is $1.09M, and the homeownership rate is 59.1%. Most people in San Mateo County, CA commute by Drove Alone, and the average commute time is 28 minutes. The average car ownership in San Mateo County, CA is 2 cars per household.