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Union

A town of 944 people in Northeastern Connecticut Planning Region, Connecticut

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This Blink-And-You’ll-Miss-It Town in Connecticut Is So Worth Exploring

Only In Your State · Aug 18, 2026

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About Union

Town in Connecticut, United States

1734Established

785Population

29.8 sq miArea

981 ftElevation

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.

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From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

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Area code860

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Schools in Union

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DistrictUnion School DistrictSchools1

Union SchoolElementary · Grades PK–8 · 49 students

School data from the U.S. Department of Education (NCES). Ratings are from neighbors.

Where Union is

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Locator map of Union — Wikimedia Commons · Map: VulcanTrekkie45 (talk) · Public domain

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