San Marino ZIP codes, California
San Marino, CA has 2 ZIP codes (91108 and 91118) and area codes 626, 818 and 747. The largest is 91108.
- USPS city name
- 2 ZIP codes
- Overlapping the city
- 1 more
- Population
- 12,216
- County
- Los Angeles County
- State
- California
NANPA lists no telephone rate centre for San Marino itself, so these are the area codes of the nearest one, Pasadena (1.2 miles). A town on an area-code boundary can differ from its neighbour.
Mail addressed to San Marino uses the ZIP codes above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.
San Marino in numbers
About 12,216 people live in San Marino, in 3,910 households. The median household income is $214,167 a year, 2.2 times the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $2,000,000+, and median gross rent is $3,500+ a month. The median age is 45.7; 82.6% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 27 minutes.
| Population | 12,216 |
|---|---|
| Households | 3,910 |
| Median age | 45.7 |
| Median household income | $214,167 |
| Median home value | $2,000,000+ |
| Median gross rent | $3,500+ |
| Bachelor's degree or higher | 82.6% |
| Mean commute | 26.6 min |
| Population density | 3,244 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place San Marino city. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as San Marino
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
91108 | San Marino , CA | Standard | 12,401 | $204,847 | $2,000,000+ |
91118 | San Marino , CA | No street area | — | — | — |
Other ZIP codes overlapping San Marino
These ZIP codes cover part of San Marino but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
91775 | San Gabriel , CA | Standard | 23,672 | $118,610 | $1,092,700 |
Map of San Marino ZIP codes
The ZIP codes of San Marino, 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 Marino
The nearest larger towns are East San Gabriel (23,410 people, 1.9 mi), San Gabriel (38,392 people, 2.1 mi) and South Pasadena (26,068 people, 2.7 mi).
| Town | Population | Distance |
|---|---|---|
| East San Gabriel | 23,410 | 1.9 mi |
| San Gabriel | 38,392 | 2.1 mi |
| East Pasadena | 5,479 | 2.2 mi |
| South Pasadena | 26,068 | 2.7 mi |
| Pasadena | 136,969 | 3.0 mi |
| Alhambra | 81,022 | 3.0 mi |
| Temple City | 35,430 | 3.4 mi |
| Rosemead | 50,013 | 4.1 mi |
| Arcadia | 55,170 | 4.4 mi |
| Sierra Madre | 10,940 | 4.8 mi |
| Altadena | 41,705 | 5.0 mi |
| Monterey Park | 59,132 | 5.3 mi |
| South San Gabriel | 7,923 | 5.3 mi |
| North El Monte | 4,086 | 5.3 mi |
More nearby: every ZIP code in Los Angeles County · California ZIP codes
Cite this page
zipcodes.pro. “San Marino, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/san-marino
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