Union, Maine

Union, Maine
Union Common in 1915
Location in Knox County and the state of Maine.
Coordinates: 44°13′50″N 69°16′23″W / 44.23056°N 69.27306°W / 44.23056; -69.27306
CountryUnited States
StateMaine
CountyKnox
Incorporated1786
VillagesUnion
East Union
North Union
South Union
Area
 • Total
34.49 sq mi (89.33 km2)
 • Land32.15 sq mi (83.27 km2)
 • Water2.34 sq mi (6.06 km2)
Elevation
121 ft (37 m)
Population
 (2020)
 • Total
2,383
 • Density74/sq mi (28.6/km2)
Time zoneUTC−5 (Eastern (EST))
 • Summer (DST)UTC−4 (EDT)
ZIP Code
04862
Area code207
FIPS code23-78115
GNIS feature ID582772
Websitewww.union.maine.gov

Union is a town in Knox County, Maine, United States. The population was 2,383 at the 2020 census. Union is home to the Matthews Museum of Maine Heritage as well as the annual Union agricultural fair.