San Quentin ZIP codes, California
San Quentin, CA has 2 ZIP codes (94964 and 94974) and area codes 415 and 628.
- USPS city name
- 2 ZIP codes
- Population
- 2,344
- County
- Marin County
- State
- California
NANPA lists no telephone rate centre for San Quentin itself, so these are the area codes of the nearest one, Corte Madera (1.1 miles). A town on an area-code boundary can differ from its neighbour.
San Quentin in numbers
About 2,344 people live in San Quentin, in 204 households. The median household income is $115,192 a year, 16% above the California median of $99,122 (US: $80,734).
| Population | 2,344 |
|---|---|
| Households | 204 |
| Median household income | $115,192 |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the 2 ZIP codes addressed as San Quentin, medians weighted by households. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as San Quentin
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
94964 | San Quentin , CA | Standard | 2,344 | $115,192 | — |
94974 | San Quentin , CA | No street area | — | — | — |
Map of San Quentin ZIP codes
The ZIP codes of San Quentin, CA, 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.
Towns near San Quentin
The nearest larger towns are Corte Madera (10,077 people, 1.3 mi), Larkspur (12,854 people, 2.3 mi) and San Rafael (60,433 people, 3.0 mi).
| Town | Population | Distance |
|---|---|---|
| Corte Madera | 10,077 | 1.3 mi |
| Larkspur | 12,854 | 2.3 mi |
| San Rafael | 60,433 | 3.0 mi |
| Strawberry | 5,830 | 3.6 mi |
| Mill Valley | 14,012 | 3.7 mi |
| Kentfield | 6,900 | 3.9 mi |
| Tiburon | 9,012 | 4.0 mi |
| Ross | 2,606 | 4.3 mi |
| Santa Venetia | 3,725 | 4.5 mi |
| Marin City | 3,195 | 5.0 mi |
| Tamalpais-Homestead Valley | 12,085 | 5.1 mi |
| San Anselmo | 12,679 | 5.3 mi |
| Sausalito | 7,141 | 5.7 mi |
| North Richmond | 3,855 | 6.6 mi |
More nearby: every ZIP code in Marin County · California ZIP codes
Cite this page
zipcodes.pro. “San Quentin, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/san-quentin
Underlying data is public domain or openly licensed — sources, vintages and licences.