Census place · GEOID 0668252 · San Mateo County
San Mateo, CA ZIP codes
4 ZIP/ZCTAs intersecting this Census place in San Mateo County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place San Mateo (GEOID 0668252). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 140,535 (4 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of San Mateo, CA
ZIP/ZCTA overlap with San Mateo
Population overlap
Share of each ZIP/ZCTA’s population located within San Mateo, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- 94401100.0%
USPS primary city
- 9440284.3%
USPS primary city
- 94403100.0%
USPS primary city
- 944049.4%
USPS primary city
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting San Mateo
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 94401 | San Mateo | San Mateo County | 35,628 | $121,258 |
| 94402 | San Mateo | San Mateo County | 25,498 | $179,683 |
| 94403 | San Mateo | San Mateo County | 43,459 | $179,825 |
| 94404 | San Mateo | San Mateo County | 35,950 | $182,417 |
USPS associates these ZIPs with San Mateo
These codes list San Mateo as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 94497 | San Mateo | San Mateo County | — | — |