Fullerton city, California
Official LSAD Designation: Fullerton city • Census GEOID: 0628000
• Orange County
Fullerton city is an incorporated city in Orange County, California. According to official records from the Census (2025), Fullerton city had an estimated population of 138,675 residents. Official Census Bureau geographic records classify this community under LSAD designation Fullerton city (GEOID 0628000).
Local Government Administration U.S. Census Bureau GMAF
City Of Fullerton
Municipal
Official Title:
Assistant To The City Manager
Address:
303 W COMMONWEALTH AVE, FULLERTON CA 92832-1775
County Of Orange
County
Official Title:
Manager, Special Projects
Address:
331 W SANTA ANA BLVD, SANTA ANA CA 92701
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 138,675 | 2025 |
| Median Household Income | $104,286 | 2020-2024 |
| Median Home Value | $902,600 | 2020-2024 |
| Land Area | 22.42 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).