Union Flag

Union

County:
Franklin County
County Seat:
Yes
Area (mi²):
35.901
State:
Missouri

Union is located in Franklin County, Missouri. Union has a 2025 population of 508 . It is also the county seat of Franklin County . Union is currently declining at a rate of -0.2% annually but its population has increased by 0.2% since the most recent census, which recorded a population of 507 in 2020.

The average household income in Union is $79,809 with a poverty rate of 11.7%. The median age in Union is 32.6 years: 32.9 years for males, and 22.9 years for females. For every 100 females there are 77.1 males.

508
Total Population
14
Density (mi²)
-1 -0.2%
Growth

Union Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)