What is the population of Union?

The population of Union, OH is 6,909.

Where is Union located?

Union, OH is located at latitude 39.8978300 and longitude -84.3063300. It is in United States.

What is the area of Union?

The area of Union, OH is 19.613766 km².

What is the elevation of Union?

Union, OH has an elevation of 281 meters (922 feet) above sea level.

What time zone is Union in?

Union, OH is in the America/New_York time zone.

What state is Union in?

Union is in the state of Ohio, United States.

What county is Union, OH in?

Union is in Montgomery County, Ohio.

How has the population of Union changed?

The population of Union, OH has increased from 6,419 (2010) to 6,909 (2020), a change of 7.6%.

Union, Ohio

Union: city in Montgomery and Miami Counties in the U.S. state of Ohio.

About

Union is a city located in the county of Montgomery in the U.S. state of Ohio. Its population at the 2010 census was 6,419 and a population density of 327 people per km². After 10 years in 2020 city had an estimated population of 6,909 inhabitants.

The city was created 220 years ago in 1805.

Union locator map — Location of Union on Ohio map.

Quick Facts about Union

Population	6,909 (2020)
Country	United States of America
State	Ohio (United States)
County	Montgomery County
Different from	Union County
Postal code	45322
Area	19.61 km²
Latitude & Longitude	39.8978,-84.3063
Altitude	922 feet / 281 meters
Establishment	January 01, 1806 (220 years ago)
Time Zone	America/New_York
Local time	16:25:08 (17th September 2026)
Density	352 Pop. per km² as of 2020
Population growth	7.63% (2010-2020)
Weather	70℉ Slight Chance Showers And Thunderstorms 7-days weather

Montgomery County Ohio incorporated and unincorporated areas Union highlighted locator map image

Geography

Union is located at 39°53'52"N 84°18'23"W (39.8978300, -84.3063300).

Union map

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Weather

70°F

Slight Chance Showers And Thunderstorms

6 mph SE Tonight

A slight chance of showers and thunderstorms before 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wi...

7-Day Forecast

Official website of Union

Official Website

Demographics

The population of Union increased by 7.63% in 10 years.

Year	Population	% Change	Method
2010	6,419	-	census
2011	6,432	0.2%	estimation process
2012	6,435	0.05%	estimation process
2013	6,437	0.03%	estimation process
2014	6,442	0.08%	estimation process
2015	6,526	1.3%	estimation process
2016	6,604	1.2%	estimation process
2017	6,639	0.53%	estimation process
2018	6,767	1.93%	estimation process
2019	6,890	1.82%	estimation process
2020	6,909	0.28%	estimation process

Services and Civic Places in Union

1Union City Hall

118 N Main St, Union, OH 45322 View details

Phone: +19378368624 | Website available

People born in Union (3)

People born in Union, including author Bernie Babcock, nurse Wilma Leona Jackson, American-football player Troy Mangen, .

More notable people

Nearby Schools and Colleges

Schools and campuses linked to Union, OH. Select a name to open its map and contact details.

Code	Name	City	ZIP
204158	Miami Valley Career Technology Center	Englewood (OH)	45315

Nearby Transit Stations (4)

Rail and bus stations connected to Union, OH. Select a station to open its map and address details.

Code	Name	Address	Type
COI	Connersville station	1012 Eastern Avenue	RAIL
CIG	Cincinnati, OH	1005 Gilbert Avenue	BUS
CIN	Cincinnati Museum Center at Union Terminal	1301 Western Ave.	RAIL
COL	Columbus, OH	111 East Town Street	BUS

Nearby Post Offices

Closest post offices linked to Union.

Post Office Name	City	ZIP
Englewood Post Office	Englewood (OH)	45322

Other places with the same name (9)

Union, New Jersey A city in Union County, New Jersey. with a population of 67,137 people.
Union, New York town in Broome County, New York, United States. with a population of 52,262 people.
Union, Missouri city in and county seat of Franklin County, Missouri, United States. with a population of 12,094 people.
Union, Kentucky township in Boone County, Iowa. with a population of 6,116 people.
Union, Pennsylvania township in southeastern Union County, Pennsylvania. with a population of 5,661 people.
Union, Maine town in Knox County, Maine, United States. with a population of 2,275 people.
Union, Oregon township of Union County, New Jersey. with a population of 2,207 people.
Union, Indiana city in Indiana, United States of America. with a population of 2,160 people.
Union, Mississippi county in Mississippi, United States. with a population of 1,876 people.

Other cities in Montgomery County

Cities, towns, neighborhoods & other populated places in Montgomery County , OH.

City Name	Population	Title
Dayton	139,907	The ninth most populous city in Ohio.
Kettering	54,313	The most populous city in Montgomery County, Ohio.
Huber Heights	37,203	City in Montgomery, Miami and Greene counties in Ohio, United States
Trotwood	24,433	City in Montgomery County, Ohio, United States
Miamisburg	20,117	City in Ohio, USA
Vandalia	14,987	City in Illinois
Englewood	13,502	City in Ohio, United States
Shiloh	11,272	Biblical city
Northridge	8,487	Neighborhood of Los Angeles, California, United States
Sunbury	6,881	City in Delaware County, Ohio, United States of America
Moraine	6,507	City in Ohio, United States
Germantown	5,567	City in Montgomery County, Ohio, United States
New Lebanon	3,988	Town in New York
Drexel	2,076	Census-designated place in Montgomery County, Ohio
Bridgeport	1,704	Village in Belmont County, Ohio

Distance to Other Cities

Union distances to largest Ohio cities