Union
City in Missouri
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Union is a city in and the county seat of Franklin County, Missouri, United States. It is located on the Bourbeuse River, 50 miles southwest of St. Louis. The population was 12,348 at the 2020 census. Wikipedia
ZIP code: 63084
Population: 12,756 (2022)
Area code: 636
Elevation: 528 ft (161 m)
Founded: 1826
Named for: The ideal of political unity