Union city, Iowa
Official LSAD Designation: Union city • Census GEOID: 1979545
• Hardin County
Union city is an incorporated city in Hardin County, Iowa. According to official records from the Census (2025), Union city had an estimated population of 382 residents. Official Census Bureau geographic records classify this community under LSAD designation Union city (GEOID 1979545).
Local Government Administration U.S. Census Bureau GMAF
City Of Union
Municipal
Official Title:
Mayor
Address:
PO BOX 342, UNION IA 50258-0342
County Of Hardin
County
Official Title:
Board Of Supervisors
Address:
1215 EDGINGTON AVE, STE 1, ELDORA IA 50627-1700
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 382 | 2025 |
| Median Household Income | $55,625 | 2020-2024 |
| Median Home Value | $74,600 | 2020-2024 |
| Land Area | 0.58 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).