Union
City in Hardin County, Iowa

Union is a city in Hardin County, Iowa, with 399 residents (2020 Census). It sits at 942 ft (287 m) above sea level. The nearest town is Whitten, 3.0 miles NE.
- 399residents (2020 Census)
- 942 ftelevation · 287 m
- 0.6 sq miland area · 1.5 km²
- 690 / sq mipopulation density
- 50258ZIP code
About Union
Union is a city in Hardin County, Iowa, United States. The population was 399 at the time of the 2020 census.
Text: Wikipedia · CC BY-SA 4.0
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Living in Union
- Median household income
- $55,625
- Median home value
- $74,600
- Median rent
- $875/mo
- Median age
- 51.1
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Map of Union
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Open in Google Maps ›Union, IA population
Union had 399 residents in the 2020 Census.
| 2020 Census | 399 |
|---|---|
| Density | 690 per sq mi (267 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Union at a glance
| State | Iowa (IA) |
|---|---|
| County | Hardin County |
| Type | City |
| Population | 399 (2020) |
| Land area | 0.58 sq mi (1.5 km²) |
| Elevation | 942 ft (287 m) |
| Coordinates | 42.2436° N, 93.0625° W |
| ZIP code | 50258 |
| Official website | unioniowa.com |
| Census code (GEOID) | 1979545 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Union
- Whitten3.0 mi NE
- Liscomb4.6 mi SE
- New Providence6.2 mi NW
- Eldora8.3 mi N
- Albion9.8 mi SE
- Conrad9.8 mi E
- Clemons10.2 mi SW
- St. Anthony10.8 mi SW
- Steamboat Rock11.4 mi N
- Beaman12.4 mi E
- Hubbard13.0 mi W
- Zearing13.4 mi SW
Straight-line distance between town centers.
Frequently asked questions about Union
What county is Union in?
Union is in Hardin County, Iowa.
What is the population of Union, IA?
399 people lived in Union at the 2020 Census.
What is the ZIP code of Union, IA?
The ZIP code of Union is 50258.
What is the elevation of Union?
942 feet (287 m) above sea level.
What towns are near Union?
Whitten (3.0 mi), Liscomb (4.6 mi), New Providence (6.2 mi), Eldora (8.3 mi), Albion (9.8 mi).
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