Map of Union city, Missouri

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.

Union city overview:
Name:	Union city
LSAD Code:	25
LSAD Description:	city (suffix)
State:	Missouri
County:	Franklin County
Founded:	1826
Elevation:	528 ft (161 m)
Total Area:	9.03 sq mi (23.38 km²)
Land Area:	9.03 sq mi (23.38 km²)
Water Area:	0.00 sq mi (0.00 km²)
Total Population:	12,348
Population Density:	1,368.20/sq mi (528.25/km²)
ZIP code:	63084
Area code:	636
FIPS code:	2974626
GNISfeature ID:	2397086
Website:	http://www.unionmissouri.gov/

Online Interactive Map

Union online map. Source: Basemap layers from Google Map, Open Street Map (OSM), Arcgisonline, Wmflabs. Boundary Data from Database of Global Administrative Areas.

Union location map. Where is Union city?

Union location on the U.S. Map. Where is Union city. — Union location on the U.S. Map.

Union location on the Missouri map. Where is Union city. — Location of Union in Missouri.

History

Union was founded in 1826 and designated as the county seat in 1827. The city is named for the ideal of political unity. A post office called Union has been in operation since 1827.

Early German settlers established themselves in and around Franklin County, including what would later be known as Union. German architecture, culture, and especially surnames are still prevalent around Union and surrounding areas. Depending on the definition, the city is within or near a region known as the Missouri Rhineland.

Union Road Map

Union city Satellite Map

Geography

The city is located on the northwest side of the Bourbeuse River. US Route 50 passes through the city and I-44 is approximately five miles to the east. Washington, on the Missouri River, is seven miles to the north on Missouri Route 47.

According to the United States Census Bureau, the city has a total area of 9.16 square miles (23.72 km), all land.