San Marino city, California
Official LSAD Designation: San Marino city • Census GEOID: 0668224
• Los Angeles County
San Marino city is an incorporated city in Los Angeles County, California. According to official records from the Census (2025), San Marino city had an estimated population of 11,964 residents. Official Census Bureau geographic records classify this community under LSAD designation San Marino city (GEOID 0668224).
Local Government Administration U.S. Census Bureau GMAF
City Of San Marino
Municipal
Official Title:
Senior Planner
Address:
2200 HUNTINGTON DR, SAN MARINO CA 91108-2639
County Of Los Angeles
County
Official Title:
Executive Officer Board Of Supervisors
Address:
500 W TEMPLE ST, ROOM 383, LOS ANGELES CA 90012
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 11,964 | 2025 |
| Median Household Income | $214,167 | 2020-2024 |
| Median Home Value | $2,000,000+ | 2020-2024 |
| Land Area | 3.77 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).