Union, Missouri

Union, Missouri
City of Union
Motto: 
Treasuring Our Past, Building For Our Future.
Location of Union, Missouri
Coordinates: 38°26′59″N 91°01′04″W / 38.44972°N 91.01778°W / 38.44972; -91.01778
CountryUnited States
StateMissouri
CountyFranklin
Founded1826
Designated
(as the county seat)
1827
Named afterThe ideal of political unity.
Area
 • Total
9.03 sq mi (23.38 km2)
 • Land9.03 sq mi (23.38 km2)
 • Water0 sq mi (0.00 km2)
Elevation
528 ft (161 m)
Population
 (2020)
 • Total
12,348
 • Density1,368.2/sq mi (528.25/km2)
Time zoneUTC-6 (Central (CST))
 • Summer (DST)UTC-5 (CDT)
ZIP code
63084
Area code636
FIPS code29-74626
GNIS feature ID2397086
Websitehttp://www.unionmissouri.gov/

Union is a city in and the county seat of Franklin County, Missouri, United States. It is located on the Bourbeuse River, 50 miles (80 km) southwest of St. Louis. The population was 12,348 at the 2020 census.