Union Flag

Union

County:
Moody County
County Seat:
No
Area (mi²):
22.424
State:
South Dakota

Union is located in Moody County, South Dakota. Union has a 2025 population of 79. Union is currently declining at a rate of -1.25% annually and its population has decreased by -1.25% since the most recent census, which recorded a population of 80 in 2020.

The median age in Union is 29.4 years: 0 years for males, and 0 years for females.

79
Total Population
4
Density (mi²)
-1 -1.25%
Growth

Union Population

Demographics

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)