Union city, Ohio
Official LSAD Designation: Union city • Census GEOID: 3978470
• Miami County / Montgomery County
Union city is an incorporated city in Miami County, Montgomery County, Ohio. According to official records from the Census (2025), Union city had an estimated population of 7,177 residents. Official Census Bureau geographic records classify this community under LSAD designation Union city (GEOID 3978470).
Local Government Administration U.S. Census Bureau GMAF
City Of Union
Municipal
Official Title:
City Manager
Address:
118 N MAIN ST, UNION OH 45322-3396
County Of Miami
County
Official Title:
Development Director
Address:
510 W WATER ST, SUITE 120, TROY OH 45373-2984
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 7,177 | 2025 |
| Median Household Income | $73,353 | 2020-2024 |
| Median Home Value | $169,200 | 2020-2024 |
| Land Area | 8.49 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).