Union
Town in Northeastern Connecticut Planning Region, Connecticut

Union is a town in Northeastern Connecticut Planning Region, Connecticut, with 785 residents (2020 Census). It sits at 981 ft (299 m) above sea level. The nearest town is Holland, 3.4 miles N.
- 785residents (2020 Census)
- 981 ftelevation · 299 m
- 28.8 sq miland area · 74.7 km²
- 27 / sq mipopulation density
- 01521ZIP code
About Union
Union is a town located in the northeastern part of Tolland County, Connecticut, United States and is part of the Northeastern Connecticut Planning Region and Last Green Valley National Heritage Corridor. The population was 785 at the 2020 census, making it the least populous town and municipality in Connecticut. Union includes the village of Mashapaug located in the Eastern Uplands at the Massachusetts state line. Union is located 33 miles (53 kilometers) northeast of the state capital, Hartford and 67 mi (108 km) southwest of Boston, as well as 153 mi (246 km) northeast of New York City.
Text: Wikipedia · CC BY-SA 4.0
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Live webcams in Union
Webcams: Windy.com
Living in Union
- Median household income
- $88,958
- Median home value
- $330,400
- Median age
- 49.9
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Map of Union
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Open in Google Maps ›Union, CT population
Union had 785 residents in the 2020 Census.
| 2020 Census | 785 |
|---|---|
| Density | 27 per sq mi (11 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Union at a glance
| State | Connecticut (CT) |
|---|---|
| County | Northeastern Connecticut Planning Region |
| Type | Town |
| Population | 785 (2020) |
| Land area | 28.85 sq mi (74.7 km²) |
| Water area | 0.97 sq mi (2.51 km²) |
| Elevation | 981 ft (299 m) |
| Coordinates | 41.9999° N, 72.1622° W |
| ZIP code | 01521 |
| Official website | unionconnecticut.org |
| Census code (GEOID) | 0915077830 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Union
- Holland, MA3.4 mi N
- Lake Chaffee4.4 mi S
- Wales, MA5.6 mi NW
- Witches Woods5.8 mi SE
- Lake Bungee6.0 mi SE
- Ashford7.1 mi S
- Woodstock7.5 mi E
- Stafford7.5 mi W
- Stafford Springs7.7 mi W
- Southbridge Town, MA7.8 mi NE
- Eastford8.1 mi SE
- Sturbridge, MA8.2 mi NE
Straight-line distance between town centers.
Frequently asked questions about Union
What county is Union in?
Union is in Northeastern Connecticut Planning Region, Connecticut.
What is the population of Union, CT?
785 people lived in Union at the 2020 Census.
What is the ZIP code of Union, CT?
The ZIP code of Union is 01521.
What is the elevation of Union?
981 feet (299 m) above sea level.
What towns are near Union?
Holland (3.4 mi), Lake Chaffee (4.4 mi), Wales (5.6 mi), Witches Woods (5.8 mi), Lake Bungee (6.0 mi).
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