Foster Flag

Foster

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

Foster is located in Beadle County, South Dakota. Foster has a 2025 population of 93. Foster 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 is $91,771 with a poverty rate of 23.33%.The median age in Foster 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 Population

Demographics

Economics and Income Statistics

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)