Madison township

County:: Lake County
County Seat:: No
Area (mi²):: 35.765
State:: South Dakota

Madison township is located in Lake County, South Dakota. Madison township has a 2025 population of 131. Madison township is currently growing at a rate of 0.77% annually and its population has increased by 3.15% since the most recent census, which recorded a population of 127 in 2020.

The average household income in Madison township is $101,615 with a poverty rate of 0%. The median age in Madison township is 67.9 years: 67.4 years for males, and 70.8 years for females.

Demographics

The racial composition of Madison township includes 100% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race, Two or more races and multiracial populations.

Population by Race

White

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Race	Population	Percentage (of total)
White	68	100%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%
Two or more races	0	0%

Madison township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Madison township's average per capita income is $50,625. Household income levels show a median of $78,750. The poverty rate stands at 0%.

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
Married Families	$129,750	-
Families	$128,000	$139,380
Households	$78,750	$101,615
Non Families	$50,469	$43,515

$50,625

Average Income

$78,750

Median Household Income

0%

Poverty Rate