Madison Flag

Madison

County:
Lake County
County Seat:
No
Area (mi²):
4.616
State:
South Dakota

Madison is a city located in Lake County, South Dakota. Madison has a 2025 population of 6,045. Madison is currently declining at a rate of -0.38% annually and its population has decreased by -1.85% since the most recent census, which recorded a population of 6,159 in 2020.

The average household income in Madison is $79,612 with a poverty rate of 11.21%.The median age in Madison is 39.6 years: 33.9 years for males, and 42.6 years for females.

6K
Total Population
1,310
Density (mi²)
-23 -0.38%
Growth

Madison Population

Madison Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Madison includes 96.49% White, and smaller percentages for Two or more races, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White5,94296.49%
Two or more races961.56%
Black or African American550.89%
Native American330.54%
Asian260.42%
Native Hawaiian or Pacific Islander60.1%

Madison Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Madison's average per capita income is $40,509. Household income levels show a median of $62,180. The poverty rate stands at 11.21%.

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$92,542-
Families$74,778$95,525
Households$62,180$79,612
Non Families$41,198$59,304

$40,509

Average Income

$62,180

Median Household Income

11.21%

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)