Union Flag

Union

County:
Franklin County
County Seat:
Yes
Area (mi²):
103.421
State:
Missouri

Union is located in Franklin County, Missouri. Union has a 2025 population of 3,258 . It is also the county seat of Franklin County . Union is currently declining at a rate of -0.37% annually and its population has decreased by -5.13% since the most recent census, which recorded a population of 3,434 in 2020.

The average household income in Union is $89,131 with a poverty rate of 21.57%. The median age in Union is 39.5 years: 31.5 years for males, and 45 years for females. For every 100 females there are 91.7 males.

3.3K
Total Population
32
Density (mi²)
-12 -0.37%
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)