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 2026 population of 91. Foster township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 91 in 2020.

The median household income in Foster township is $98,750 with a poverty rate of 15.63%. The median age in Foster township is 53.5 years: 37.1 years for males, and 55.5 years for females. For every 100 females there are 190.9 males.

91
Total Population
2.5
Density (mi²)

Foster township Population

Foster township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20269100%
20259100%
20249100%
20239100%
20229100%
20219100%
20209100%
20198211.23%
201881-2-2.41%
20178311.22%
20168200%
20158211.23%
20148111.25%
20138011.27%
20127911.28%
20117811.3%
20107700%

Median Age

Overall: 53.5 years
Female: 55.5 years
Male: 37.1 years

Foster township Adults

There are 29 adults, (2 of whom are seniors) in Foster township.

Sex Ratio

Female: 11 (34.4%)
Male: 21 (65.6%)

Demographics

The racial composition of Foster township includes 81.25% White, 18.75% Native American, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2681.25%
Native American618.75%
Race
Population ↓
Percentage (of total)
White2681.25%
Native American618.75%

Foster township Marital Status

Economics and Income Statistics

Foster township 's average per capita income is $0. Household income levels show a median of $98,750. The poverty rate stands at 15.63%.

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$98,750$90,825
Families--
Married Families--
Non Families--

$0

Average Income

$98,750

Median Household Income

15.63%

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)