Madison township Flag

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 2026 population of 129. Madison township is currently declining at a rate of 0% annually and its population has increased by 1.57% since the most recent census, which recorded a population of 127 in 2020.

The median household income in Madison township is $112,917 with a poverty rate of 0%. The median age in Madison township is 34.4 years: 6.9 years for males, and 54.6 years for females. For every 100 females there are 139.1 males.

129
Total Population
3.6
Density (mi²)

Madison township Population

Madison township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202612900%
202512900%
202412900%
202312900%
202212900%
202112921.57%
2020127-1-0.78%
2019122-1-0.81%
201812300%
2017123-1-0.81%
201612421.64%
2015122-3-2.4%
201412500%
201312500%
201212510.81%
201112410.81%
201012300%

Median Age

Overall: 34.4 years
Female: 54.6 years
Male: 6.9 years

Madison township Adults

There are 77 adults, (30 of whom are seniors) in Madison township.

Sex Ratio

Female: 46 (41.8%)
Male: 64 (58.2%)

Demographics

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

Population by Race

Race
Population ↓
Percentage (of total)
White110100%
Race
Population ↓
Percentage (of total)
White110100%

Madison township Marital Status

Economics and Income Statistics

Madison township 's average per capita income is $71,250. Household income levels show a median of $112,917. 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
Families$113,750$136,186
Households$112,917$117,686
Married Families--
Non Families--

$71,250

Average Income

$112,917

Median Household Income

0%

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)