San Mateo County, California
San Mateo County, California · ZIP 94002, 94005, 94010
- Census data · ACS 2019-2023
- 742,893 (2024 estimate)Population
- 264,424Households
- $156,000Median household income
- $1,494,500Median home value
- 33Towns with a page
- 31ZIP codes
San Mateo County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 707,161 |
| 2010 | 718,451 |
| 2020 | 764,442 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 06, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 06, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 06, retrieved November 14, 2026.
Median household income $156,000 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 06, retrieved November 14, 2026.
- Owner occupied
- 156,244 units
- Renter occupied
- 108,180 units
- Vacancy rate
- 7.4%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 06, retrieved November 14, 2026.
477,938 employees in 21,569 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 06, retrieved November 14, 2026.
| Measure | San Mateo County | California |
|---|---|---|
| Population | 745,100 | 39,242,785 |
| Median household income | $156,000 | $96,334 |
| Median age | 40.6 | 37.6 |
| Median home value | $1,494,500 | $695,400 |
| Bachelor’s degree or higher | 53.1% | 36.5% |
| Foreign-born residents | 35.6% | 26.7% |
| Owner-occupied homes | 59.1% | 55.8% |
| Mean commute to work | 27.3 minutes | 29.0 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 06, retrieved November 14, 2026.
Townships, towns and villages in San Mateo County33 with a page · sort by any column
| Type | |||
|---|---|---|---|
| San Mateo | City | 103,006 | 12.1 sq mi |
| Daly City | City | 101,418 | 7.65 sq mi |
| Redwood City | City | 82,982 | 19.3 sq mi |
| South San Francisco | City | 64,660 | 9.20 sq mi |
| San Bruno | City | 42,035 | 5.49 sq mi |
| Pacifica | City | 37,056 | 12.6 sq mi |
| Menlo Park | City | 33,040 | 9.99 sq mi |
| Foster City | City | 32,657 | 3.79 sq mi |
| Burlingame | City | 30,885 | 4.39 sq mi |
| San Carlos | City | 29,403 | 5.41 sq mi |
| East Palo Alto | City | 29,296 | 2.53 sq mi |
| Belmont | City | 27,132 | 4.63 sq mi |
| Millbrae | City | 23,321 | 3.27 sq mi |
| North Fair Oaks | Census designated place | 13,327 | 1.20 sq mi |
| Half Moon Bay | City | 11,324 | 6.24 sq mi |
| Hillsborough | Town | 11,171 | 6.17 sq mi |
| Atherton | Town | 7,022 | 5.02 sq mi |
| El Granada | Census designated place | 5,231 | 4.91 sq mi |
| Woodside | Town | 5,123 | 11.5 sq mi |
| Brisbane | City | 4,667 | 2.99 sq mi |
| Broadmoor | Census designated place | 4,467 | 0.43 sq mi |
| Emerald Lake Hills | Census designated place | 4,396 | 1.18 sq mi |
| Portola Valley | Town | 4,282 | 9.08 sq mi |
| West Menlo Park | Census designated place | 3,382 | 0.49 sq mi |
| Moss Beach | Census designated place | 3,016 | 2.24 sq mi |
| Montara | Census designated place | 2,897 | 3.88 sq mi |
| Highlands | Census designated place | 2,535 | 1.30 sq mi |
| Baywood Park | Census designated place | 1,481 | 0.55 sq mi |
| Colma | Town | 1,428 | 1.89 sq mi |
| Ladera | Census designated place | 1,160 | 0.43 sq mi |
| La Honda | Census designated place | 1,094 | 4.26 sq mi |
| Pescadero | Census designated place | 478 | 4.03 sq mi |
| Loma Mar | Census designated place | 319 | 1.73 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 06 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.
County officialsFrom public records
No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.
Across San Mateo County
No job is posted in San Mateo County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.
No upcoming event is listed in San Mateo County's towns yet. Members and businesses add events from any town page.
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Neighboring counties
Neighboring counties
- Alameda CountyPopulation 1,649,060 (2024 estimate)
- San Francisco CountyPopulation 827,526 (2024 estimate)
- Santa Clara CountyPopulation 1,926,325 (2024 estimate)
- Santa Cruz CountyPopulation 262,406 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 06, retrieved November 14, 2026.