Union Flag

Union

County:
Edmunds County
County Seat:
No
Area (mi²):
36.109
State:
South Dakota

Union is located in Edmunds County, South Dakota. Union has a 2025 population of 28. Union is currently growing at a rate of 3.7% annually and its population has increased by 16.67% since the most recent census, which recorded a population of 24 in 2020.

The median age in Union is 50.3 years: 0 years for males, and 0 years for females.

28
Total Population
1
Density (mi²)
1 3.7%
Growth

Union Population

Union Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Union includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

White (100.0%)

Race
Population
Percentage (of total)
White86100%

Union Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Nearby Cities

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)