San Mateo County, California Basics:
San Mateo County California - Government Site
Population: 738,681
Area: 448 square miles
County seat: Redwood City
Area code(s) in use: 650
Time zone: PST
High school graduate or higher: 88.3%
Bachelor's degree or higher: 43.9%
Median household income: $87,751
Persons in poverty: 7.4%
Home ownership rate: 59.7%
Mean travel time to work: 25.2 minutes
Adjacent counties:
Alameda Contra Costa Marin San Francisco Santa Clara Santa Cruz