San Mateo County, CA ZIP codes
There are 37 ZIP codes in San Mateo County, CA, in 23 towns, from 94002 to 94497. The largest are 94080 (South San Francisco), 94015 (Daly City) and 94014 (Daly City).
The county seat is Redwood City.
- ZIP codes
- 37
- Towns
- 23
- County seat
- Redwood City
- County FIPS
06081- State
- California
- Population
- 742,340
- Median household income
- $158,855
- Land area
- 449 sq mi
- Metro area
- San Francisco-Oakland-Fremont
San Mateo County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of San Mateo County ZIP codes
The ZIP codes of San Mateo County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
San Mateo County in numbers
About 742,340 people live in San Mateo County, in 264,419 households, the 15th most populous of California's 58 counties. The median household income is $158,855 a year, 60% above the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $1,559,600 (2.1 times the California median), and median gross rent is $2,922 a month. The median age is 40.9; 53.7% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 26 minutes.
| Population | 742,340 |
|---|---|
| Households | 264,419 |
| Median age | 40.9 |
| Median household income | $158,855 |
| Median home value | $1,559,600 |
| Median gross rent | $2,922 |
| Bachelor's degree or higher | 53.7% |
| Mean commute | 26.4 min |
| Population density | 1,655 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in San Mateo County
| Town | ZIP codes | Population |
|---|---|---|
| San Francisco | 1 | 830,235 |
| San Mateo | 5 | 103,105 |
| Daly City | 4 | 101,964 |
| Redwood City | 5 | 82,447 |
| South San Francisco | 2 | 64,305 |
| San Bruno | 1 | 42,307 |
| Pacifica | 1 | 37,261 |
| Menlo Park | 2 | 32,727 |
| Burlingame | 2 | 30,525 |
| San Carlos | 1 | 29,614 |
| Belmont | 1 | 27,337 |
| Millbrae | 1 | 22,689 |
| Half Moon Bay | 1 | 11,391 |
| Atherton | 1 | 6,993 |
| El Granada | 1 | 5,232 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with San Mateo County.
Not sure you are in San Mateo County? What county am I in? answers from your location, near a county line included.
Every ZIP code in San Mateo County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
94002 | Belmont , CA | Standard | 27,534 | $203,965 | $2,000,000+ |
94005 | Brisbane , CA | Standard | 4,692 | $156,169 | $1,232,200 |
94010 | Burlingame , CA | Standard | 43,025 | $196,882 | $2,000,000+ |
94011 | Burlingame , CA | No street area | — | — | — |
94014 | Daly City , CA | Standard | 45,315 | $122,966 | $1,036,900 |
94015 | Daly City , CA | Standard | 64,091 | $127,056 | $1,165,500 |
94016 | Daly City , CA | No street area | — | — | — |
94017 | Daly City , CA | No street area | — | — | — |
94018 | El Granada , CA | Standard | 3,834 | $230,053 | $1,430,200 |
94019 | Half Moon Bay , CA | Standard | 14,419 | $153,781 | $1,556,800 |
94020 | La Honda , CA | Standard | 1,694 | $250,000+ | $995,900 |
94021 | Loma Mar , CA | Standard | 321 | $250,000+ | $1,073,100 |
94025 | Menlo Park , CA | Standard | 40,721 | $216,601 | $2,000,000+ |
94026 | Menlo Park , CA | No street area | — | — | — |
94027 | Atherton , CA | Standard | 7,002 | $250,000+ | $2,000,000+ |
94028 | Portola Valley , CA | Standard | 6,531 | $250,000+ | $2,000,000+ |
94030 | Millbrae , CA | Standard | 22,689 | $163,476 | $1,934,900 |
94037 | Montara , CA | Standard | 2,917 | $233,826 | $1,580,700 |
94038 | Moss Beach , CA | Standard | 2,683 | $99,680 | $1,123,100 |
94044 | Pacifica , CA | Standard | 37,274 | $160,408 | $1,249,800 |
94060 | Pescadero , CA | Standard | 1,465 | $127,973 | $1,401,500 |
94061 | Redwood City , CA | Standard | 37,048 | $146,265 | $1,900,500 |
94062 | Redwood City , CA | Standard | 25,759 | $233,262 | $2,000,000+ |
94063 | Redwood City , CA | Standard | 34,433 | $116,760 | $1,042,500 |
94064 | Redwood City , CA | No street area | — | — | — |
94065 | Redwood City , CA | Standard | 11,673 | $215,955 | $1,811,800 |
94066 | San Bruno , CA | Standard | 42,728 | $141,272 | $1,207,500 |
94070 | San Carlos , CA | Standard | 30,447 | $240,074 | $2,000,000+ |
94074 | San Gregorio , CA | Standard | 126 | $250,000+ | — |
94080 | South San Francisco , CA | Standard | 64,761 | $136,733 | $1,188,700 |
94083 | South San Francisco , CA | No street area | — | — | — |
94128 | San Francisco , CA | Standard | 0 | — | — |
94401 | San Mateo , CA | Standard | 35,295 | $122,227 | $1,184,500 |
94402 | San Mateo , CA | Standard | 25,475 | $172,522 | $2,000,000+ |
94403 | San Mateo , CA | Standard | 43,276 | $174,917 | $1,746,300 |
94404 | San Mateo , CA | Standard | 35,881 | $192,332 | $1,714,400 |
94497 | San Mateo , CA | No street area | — | — | — |
Cite this page
zipcodes.pro. “San Mateo County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ca/county/san-mateo
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