Fairfield city, Iowa
Official LSAD Designation: Fairfield city • Census GEOID: 1926445
• Jefferson County
Fairfield city is an incorporated city in Jefferson County, Iowa. According to official records from the Census (2025), Fairfield city had an estimated population of 9,220 residents. Official Census Bureau geographic records classify this community under LSAD designation Fairfield city (GEOID 1926445).
Local Government Administration U.S. Census Bureau GMAF
City Of Fairfield
Municipal
Official Title:
Administrator
Address:
PO BOX 850, FAIRFIELD IA 52556-0015
County Of Jefferson
County
Official Title:
Chairman
Address:
51 E BRIGGS AVE, FAIRFIELD IA 52556-2820
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 9,220 | 2025 |
| Median Household Income | $51,311 | 2020-2024 |
| Median Home Value | $156,000 | 2020-2024 |
| Land Area | 6.61 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).