Foster township Flag

Foster township

County:
Beadle County
County Seat:
No
Area (mi²):
35.983
State:
South Dakota

Foster township is located in Beadle County, South Dakota. Foster township has a 2025 population of 93. Foster township is currently growing at a rate of 1.09% annually and its population has increased by 3.33% since the most recent census, which recorded a population of 90 in 2020.

The average household income in Foster township is $91,771 with a poverty rate of 23.33%. The median age in Foster township is 45.5 years: 24.8 years for males, and 55.6 years for females.

93
Total Population
3
Density (mi²)
1 1.09%
Growth

Foster township Population

Foster township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Foster township includes 73.33% White, 26.67% Native American, and smaller percentages for Black or African American, Asian, Native Hawaiian or Pacific Islander, other race, Two or more races and multiracial populations.

Population by Race

White

Native American

Black or African American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Race
Population
Percentage (of total)
White2273.33%
Native American826.67%
Black or African American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%
Two or more races00%

Foster township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Foster township's average per capita income is $0. Household income levels show a median of $125,313. The poverty rate stands at 23.33%.

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
Households$125,313$91,771
Families--
Married Families--
Non Families--

$0

Average Income

$125,313

Median Household Income

23.33%

Poverty Rate

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)