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 6,067 . Madison is currently declining at a rate of -0.31% annually and its population has decreased by -1.53% since the most recent census, which recorded a population of 6,161 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. For every 100 females there are 107.1 males.

6.1K
Total Population
1,314
Density (mi²)
-19 -0.31%
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

White (96.49%)

Two or more races (1.56%)

Black or African American (0.89%)

Native American (0.54%)

Asian (0.42%)

Native Hawaiian or Pacific Islander (0.1%)

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)