Lancaster city, Ohio
Official LSAD Designation: Lancaster city • Census GEOID: 3941720
• Fairfield County
Lancaster city is an incorporated city in Fairfield County, Ohio. According to official records from the Census (2025), Lancaster city had an estimated population of 41,956 residents. Official Census Bureau geographic records classify this community under LSAD designation Lancaster city (GEOID 3941720).
Local Government Administration U.S. Census Bureau GMAF
City Of Lancaster
Municipal
Official Title:
Mayor's Assistant
Address:
104 E MAIN ST, LANCASTER OH 43130-3784
County Of Fairfield
County
Official Title:
Chair
Address:
210 E MAIN ST, 201, LANCASTER OH 43130-3882
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 41,956 | 2025 |
| Median Household Income | $59,133 | 2020-2024 |
| Median Home Value | $193,900 | 2020-2024 |
| Land Area | 19.45 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).