Union township

County:: Sanborn County
County Seat:: No
Area (mi²):: 35.848
State:: South Dakota

Union township is located in Sanborn County, South Dakota. Union township has a 2025 population of 67. Union township is currently growing at a rate of 3.08% annually and its population has increased by 11.67% since the most recent census, which recorded a population of 60 in 2020.

The average household income in Union township is $105,403 with a poverty rate of 2.94%. The median age in Union township is 26.4 years: 23.9 years for males, and 26.5 years for females.

Demographics

The racial composition of Union township includes 100% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race, Two or more races and multiracial populations.

Population by Race

White

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Race	Population	Percentage (of total)
White	102	100%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%
Two or more races	0	0%

Union township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Union township's average per capita income is $47,132. Household income levels show a median of $102,917. The poverty rate stands at 2.94%.

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	$166,563	$158,995
Married Families	$166,563	-
Households	$102,917	$105,403
Non Families	$31,250	$32,664

$47,132

Average Income

$102,917

Median Household Income

2.94%

Poverty Rate