San Mateo County is a fascinating place, not just for its geography and cities, but for the way its housing, economy, and population have evolved over time. This overview uses data provided by Compass and based on the 2022 U.S. Census American Community Survey to present a high-level snapshot of San Mateo County.
All figures are approximate and meant to provide general context.
Housing at a Glance
San Mateo County’s housing stock reflects a mix of long-established neighborhoods and more recent development.
- About 66% of housing units are single-family homes.
- Approximately 41% of homes were built before 1960, showing how much of the county’s housing predates modern development trends.
- Occupancy is split between:
- 58.5% owner-occupied
- 41.5% renter-occupied
This combination points to a county with both long-standing residential areas and a substantial rental housing presence.
Household Characteristics
- The most common household size is two-person households, making up about 32% of all households.
- San Mateo County includes a wide range of household types, from single-person households to larger family and multi-generational households.
Economic Overview
The county’s economy spans many industries and occupations.
- About 37% of households report annual incomes above $200,000.
- The largest employment sectors include:
- Professional, Scientific, and Management (~22%)
- Education, Health, and Social Assistance (~20%)
- In terms of education:
- Over 54% of residents age 25+ hold a Bachelor’s degree or higher.
Why This Is Interesting
These numbers don’t define any one city, neighborhood, or resident, but together they offer a useful big-picture look at how San Mateo County has developed, how people live here, and how the community continues to evolve.
They’re simply one way to better understand the place many of us call home.
(This information is provided for educational purposes and is based on third-party data sources.)
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