Spring Lake township Flag

Spring Lake township

County Seat:
No
Area (mi²):
79.631
State:
South Dakota

Spring Lake township is located in Kingsbury County, South Dakota. Spring Lake township has a 2026 population of 304. Spring Lake township is currently declining at a rate of 0% annually and its population has increased by 1.67% since the most recent census, which recorded a population of 299 in 2020.

The median household income in Spring Lake township is $112,083 with a poverty rate of 10.56%. The median age in Spring Lake township is 37.7 years: 38.7 years for males, and 35.1 years for females. For every 100 females there are 133.3 males.

304
Total Population
3.8
Density (mi²)

Spring Lake township Population

Spring Lake township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202630400%
202530400%
202430400%
202330400%
202230451.67%
202129900%
202029910.34%
2019283-1-0.35%
201828400%
2017284-2-0.7%
201628620.7%
2015284-3-1.05%
201428700%
2013287-7-2.38%
201229441.38%
201129000%
2010289-1-0.34%

Median Age

Overall: 37.7 years
Female: 35.1 years
Male: 38.7 years

Spring Lake township Adults

There are 113 adults, (35 of whom are seniors) in Spring Lake township.

Sex Ratio

Female: 69 (42.9%)
Male: 92 (57.1%)

Demographics

The racial composition of Spring Lake township includes 79.5% White, 9.94% other race, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White12879.5%
Two or more races1710.56%
Other race169.94%
Race
Population ↓
Percentage (of total)
White12879.5%
Two or more races1710.56%
Other race169.94%

Spring Lake township Marital Status

Economics and Income Statistics

Spring Lake township 's average per capita income is $41,750. Household income levels show a median of $112,083. The poverty rate stands at 10.56%.

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
Families$113,214$134,100
Married Families$113,214-
Households$112,083$121,028
Non Families$41,250$46,950

$41,750

Average Income

$112,083

Median Household Income

10.56%

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)