Hercules city, California
Official LSAD Designation: Hercules city • Census GEOID: 0633308
• Contra Costa County
Hercules city is an incorporated city in Contra Costa County, California. According to official records from the Census (2025), Hercules city had an estimated population of 26,326 residents. Official Census Bureau geographic records classify this community under LSAD designation Hercules city (GEOID 0633308).
Local Government Administration U.S. Census Bureau GMAF
City Of Hercules
Municipal
Official Title:
City Clerk
Address:
111 CIVIC DR, HERCULES CA 94547-1771
County Of Contra Costa
County
Official Title:
Chairman
Address:
651 PINE ST, RM 108A, MARTINEZ CA 94553-1229
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 26,326 | 2025 |
| Median Household Income | $129,397 | 2020-2024 |
| Median Home Value | $769,400 | 2020-2024 |
| Land Area | 6.41 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).