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 Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	138	83.13%
Two or more races	15	9.04%
Other race	13	7.83%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

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