Spring Lake township

County:: Kingsbury County
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 2025 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 average household income in Spring Lake township is $118,008 with a poverty rate of 11.45%.The median age in Spring Lake township is 37.8 years: 38.9 years for males, and 28.3 years for females.

Demographics

The racial composition of Spring Lake township includes 83.13% White, 7.83% other race, and smaller percentages for and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	138	83.13%
Two or more races	15	9.04%
Other race	13	7.83%

Spring Lake township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Spring Lake township's average per capita income is $42,083. Household income levels show a median of $109,792. The poverty rate stands at 11.45%.

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	$111,250	$133,122
Married Families	$111,250	-
Households	$109,792	$118,008
Non Families	$39,375	$48,929

$42,083

Average Income

$109,792

Median Household Income

11.45%

Poverty Rate