Union
City in Montgomery County, Ohio

Union is a city in Montgomery County, Ohio, with 6,859 residents (2020 Census). It sits at 922 ft (281 m) above sea level. The nearest town is Clayton, 2.3 miles S.
- 6,859residents (2020 Census)
- 922 ftelevation · 281 m
- 8.5 sq miland area · 22.0 km²
- 808 / sq mipopulation density
- 45322ZIP code
About Union
Union is a city in Montgomery and Miami counties in the U.S. state of Ohio. The population was 6,859 at the 2020 census. It is part of the Dayton metropolitan area.
Text: Wikipedia · CC BY-SA 4.0
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Live webcams in Union
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Living in Union
- Median household income
- $73,353
- Median home value
- $169,200
- Median rent
- $1,118/mo
- Median age
- 36.8
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Map of Union
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Open in Google Maps ›Union, OH population
Union had 6,859 residents in the 2020 Census.
| 2020 Census | 6,859 |
|---|---|
| Density | 808 per sq mi (312 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Union at a glance
| State | Ohio (OH) |
|---|---|
| County | Montgomery County |
| Type | City |
| Population | 6,859 (2020) |
| Land area | 8.49 sq mi (22.0 km²) |
| Water area | 0.08 sq mi (0.20 km²) |
| Elevation | 922 ft (281 m) |
| Coordinates | 39.9022° N, 84.3144° W |
| ZIP code | 45322 |
| Official website | ci.union.oh.us |
| Census code (GEOID) | 3978470 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Union
- Clayton2.3 mi S
- Englewood2.6 mi S
- West Milton4.0 mi N
- Phillipsburg4.6 mi W
- Vandalia6.7 mi E
- Ludlow Falls6.8 mi N
- Potsdam6.8 mi NW
- Brookville6.9 mi SW
- Shiloh7.4 mi SE
- Trotwood7.6 mi S
- Fort McKinley7.8 mi SE
- Tipp City8.0 mi NE
Straight-line distance between town centers.
Frequently asked questions about Union
What county is Union in?
Union is in Montgomery County, Ohio.
What is the population of Union, OH?
6,859 people lived in Union at the 2020 Census.
What is the ZIP code of Union, OH?
The ZIP code of Union is 45322.
What is the elevation of Union?
922 feet (281 m) above sea level.
What towns are near Union?
Clayton (2.3 mi), Englewood (2.6 mi), West Milton (4.0 mi), Phillipsburg (4.6 mi), Vandalia (6.7 mi).
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