Union City city, California
Official LSAD Designation: Union City city • Census GEOID: 0681204
• Alameda County
Union City city is an incorporated city in Alameda County, California. According to official records from the Census (2025), Union City city had an estimated population of 65,282 residents. Official Census Bureau geographic records classify this community under LSAD designation Union City city (GEOID 0681204).
Local Government Administration U.S. Census Bureau GMAF
City Of Union City
Municipal
Official Title:
City Manager
Address:
34009 ALVARADO NILES RD, UNION CITY CA 94587-4497
County Of Alameda
County
Official Title:
Alameda Co. Board Of Supvrs 3rd District
Address:
1221 OAK ST, STE 536, OAKLAND CA 94612-4224
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 65,282 | 2025 |
| Median Household Income | $133,715 | 2020-2024 |
| Median Home Value | $1,104,900 | 2020-2024 |
| Land Area | 19.40 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).