Fairfield city, California
Official LSAD Designation: Fairfield city • Census GEOID: 0623182
• Solano County
Fairfield city is an incorporated city in Solano County, California. According to official records from the Census (2025), Fairfield city had an estimated population of 122,489 residents. Official Census Bureau geographic records classify this community under LSAD designation Fairfield city (GEOID 0623182).
Local Government Administration U.S. Census Bureau GMAF
City Of Fairfield
Municipal
Official Title:
Associate Planner
Address:
1000 WEBSTER ST, FAIRFIELD CA 94533-4883
County Of Solano
County
Official Title:
County Administrator
Address:
675 TEXAS ST, STE 6500, FAIRFIELD CA 94533-6342
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 122,489 | 2025 |
| Median Household Income | $101,895 | 2020-2024 |
| Median Home Value | $624,300 | 2020-2024 |
| Land Area | 41.59 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).