Union Flag

Union

County:
Brule County
County Seat:
No
Area (mi²):
35.516
State:
South Dakota

Union is located in Brule County, South Dakota. Union has a 2025 population of 74 . Union is currently declining at a rate of -1.33% annually but its population has increased by 1.37% since the most recent census, which recorded a population of 73 in 2020.

The median household income in Union is $84,583 with a poverty rate of 0%. The median age in Union is 26 years: 21 years for males, and 31.2 years for females. For every 100 females there are 130.0 males.

74
Total Population
2
Density (mi²)
-1 -1.33%
Growth

Union Population

Union Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Union includes 92.03% White, and smaller percentages for and multiracial populations.

Population by Race

White (92.03%)

Two or more races (7.97%)

Race
Population
Percentage (of total)
White12792.03%
Two or more races117.97%

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 $66,719. Household income levels show a median of $84,583. The poverty rate stands at 0%.

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$120,278$110,691
Married Families$120,278-
Households$84,583$97,776
Non Families--

$66,719

Average Income

$84,583

Median Household Income

0%

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)