San Dimas city, California
Official LSAD Designation: San Dimas city • Census GEOID: 0666070
• Los Angeles County
San Dimas city is an incorporated city in Los Angeles County, California. According to official records from the Census (2025), San Dimas city had an estimated population of 32,978 residents. Official Census Bureau geographic records classify this community under LSAD designation San Dimas city (GEOID 0666070).
Local Government Administration U.S. Census Bureau GMAF
City Of San Dimas
Municipal
Official Title:
City Manager
Address:
245 EAST BONITA AVE, SAN DIMAS CA 91773-3002
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 | 32,978 | 2025 |
| Median Household Income | $105,321 | 2020-2024 |
| Median Home Value | $801,800 | 2020-2024 |
| Land Area | 15.03 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).