There are 30 zip codes in San Mateo County, California. The most populated is 94080, located in South San Francisco. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | Population | City |
|---|---|---|
| 94080 | 66,262 | South San Francisco |
| 94015 | 65,125 | Daly City |
| 94014 | 46,331 | Daly City |
| 94403 | 43,858 | San Mateo |
| 94010 | 43,458 | Burlingame |
| 94066 | 43,369 | San Bruno |
| 94025 | 41,017 | Menlo Park |
| 94044 | 38,061 | Pacifica |
| 94061 | 37,539 | Redwood City |
| 94404 | 36,397 | San Mateo |
| 94401 | 35,392 | San Mateo |
| 94063 | 34,807 | Redwood City |
| 94070 | 31,312 | San Carlos |
| 94002 | 27,893 | Belmont |
| 94062 | 26,531 | Redwood City |
| 94402 | 26,150 | San Mateo |
| 94030 | 22,825 | Millbrae |
| 94019 | 15,275 | Half Moon Bay |
| 94065 | 11,588 | Redwood City |
| 94027 | 7,142 | Atherton |
| 94028 | 6,888 | Portola Valley |
| 94005 | 4,756 | Brisbane |
| 94018 | 3,423 | El Granada |
| 94038 | 3,165 | Moss Beach |
| 94037 | 2,649 | Montara |
| 94020 | 2,030 | La Honda |
| 94060 | 1,312 | Pescadero |
| 94074 | 151 | San Gregorio |
| 94021 | 123 | Loma Mar |
| 94128 | 0 | San Francisco |