Union
City in Boone County, Kentucky

Union is a city in Boone County, Kentucky, with 7,416 residents (2020 Census). It sits at 837 ft (255 m) above sea level. The nearest town is Oakbrook, 3.4 miles N.
- 7,416residents (2020 Census)
- 837 ftelevation · 255 m
- 3.9 sq miland area · 10.2 km²
- 1,878 / sq mipopulation density
- 41042ZIP code
About Union
Union is a home-rule-class city in Boone County, Kentucky, United States. The population was 7,416 as of the 2020 United States census. The area was rural until residential growth in the 1990s and 2000s. Union is located 17 miles (27 km) southwest of Cincinnati, Ohio.
Text: Wikipedia · CC BY-SA 4.0
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Living in Union
- Median household income
- $136,712
- Median home value
- $411,500
- Median rent
- $1,657/mo
- Median age
- 39.5
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Map of Union
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Open in Google Maps ›Union, KY population
Union had 7,416 residents in the 2020 Census.
| 2020 Census | 7,416 |
|---|---|
| Density | 1,878 per sq mi (725 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Union at a glance
| State | Kentucky (KY) |
|---|---|
| County | Boone County |
| Type | City |
| Population | 7,416 (2020) |
| Land area | 3.95 sq mi (10.2 km²) |
| Elevation | 837 ft (255 m) |
| Coordinates | 38.9475° N, 84.6754° W |
| ZIP code | 41042 |
| Official website | cityofunionky.org |
| Census code (GEOID) | 2178384 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Union
- Oakbrook3.4 mi N
- Florence3.5 mi NE
- Elsmere5.1 mi NE
- Burlington5.7 mi NW
- Walton6.7 mi SE
- Independence6.9 mi E
- Edgewood7.5 mi NE
- Erlanger7.5 mi NE
- Crestview Hills7.8 mi NE
- Hebron8.2 mi N
- Lakeside Park8.4 mi NE
- Belleview8.6 mi W
Straight-line distance between town centers.
Frequently asked questions about Union
What county is Union in?
Union is in Boone County, Kentucky.
What is the population of Union, KY?
7,416 people lived in Union at the 2020 Census.
What is the ZIP code of Union, KY?
The ZIP code of Union is 41042.
What is the elevation of Union?
837 feet (255 m) above sea level.
What towns are near Union?
Oakbrook (3.4 mi), Florence (3.5 mi), Elsmere (5.1 mi), Burlington (5.7 mi), Walton (6.7 mi).
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