Union Flag

Union

County:
Davison County
County Seat:
No
Area (mi²):
36.173
State:
South Dakota

Union is located in Davison County, South Dakota. Union has a 2025 population of 72 . Union is currently declining at a rate of -1.37% annually and its population has decreased by -1.37% since the most recent census, which recorded a population of 73 in 2020.

The average household income in Union is $96,158 with a poverty rate of 5.41%. The median age in Union is 58.8 years: 59.3 years for males, and 58.6 years for females. For every 100 females there are 85.0 males.

72
Total Population
2
Density (mi²)
-1 -1.37%
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%)

Race
Population
Percentage (of total)
White37100%

Union Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Union's average per capita income is $57,292. Household income levels show a median of $55,625. The poverty rate stands at 5.41%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Families$56,250$113,063
Married Families$56,250-
Households$55,625$96,158
Non Families--

$57,292

Average Income

$55,625

Median Household Income

5.41%

Poverty Rate

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)