Spring Lake township Flag

Spring Lake township

County:
Hanson County
County Seat:
No
Area (mi²):
36.6
State:
South Dakota

Spring Lake township is located in Hanson County, South Dakota. Spring Lake township has a 2026 population of 142. Spring Lake township is currently growing at a rate of 1.43% annually and its population has increased by 5.19% since the most recent census, which recorded a population of 135 in 2020.

The median age in Spring Lake township is 38.1 years: 38.8 years for males, and 35.4 years for females. For every 100 females there are 154.8 males.

142
Total Population
3.9
Density (mi²)
2 1.43%
Growth

Spring Lake township Population

Spring Lake township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202614221.43%
202514021.45%
202413821.47%
2023136-1-0.73%
202213700%
202113721.48%
202013500%
201912954.03%
201812400%
201712400%
2016124-1-0.8%
201512500%
201412500%
201312510.81%
201212410.81%
201112321.65%
201012100%

Median Age

Overall: 38.1 years
Female: 35.4 years
Male: 38.8 years

Spring Lake township Adults

There are 52 adults, (13 of whom are seniors) in Spring Lake township.

Sex Ratio

Female: 31 (39.2%)
Male: 48 (60.8%)

Demographics

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

Population by Race

Race
Population ↓
Percentage (of total)
White79100%
Race
Population ↓
Percentage (of total)
White79100%

Spring Lake 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)