Foster township Flag

Foster township

County Seat:
No
Area (mi²):
29.299
State:
South Dakota

Foster township is located in Hutchinson County, South Dakota. Foster township has a 2026 population of 291. Foster township is currently growing at a rate of 2.46% annually and its population has increased by 8.99% since the most recent census, which recorded a population of 267 in 2020.

The median age in Foster township is 33.5 years: 5.8 years for males, and 87.2 years for females. For every 100 females there are 52.9 males.

291
Total Population
9.9
Density (mi²)
7 2.46%
Growth

Foster township Population

Foster township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202629172.46%
202528472.53%
202427772.59%
202327041.5%
202226600%
2021266-1-0.37%
202026700%
201925100%
2018251-1-0.4%
201725210.4%
201625100%
201525120.8%
201424910.4%
2013248-1-0.4%
201224900%
2011249-3-1.19%
201025000%

Median Age

Overall: 33.5 years
Female: 87.2 years
Male: 5.8 years

Foster township Adults

There are 128 adults, (85 of whom are seniors) in Foster township.

Sex Ratio

Female: 138 (65.4%)
Male: 73 (34.6%)

Demographics

The racial composition of Foster township includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White211100%
Race
Population ↓
Percentage (of total)
White211100%

Foster township Marital Status

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)