Madison city, South Dakota Demographics & Population 2026
As of 2026, Madison city, South Dakota has a total population of 6,158, the 18th largest city in South Dakota, with a median household income of $62,180, which is 14% lower than the state average. The poverty rate is 11.2%.
Madison city Quick Facts
How Madison city Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 33 | National average: 60
Education
Educational Attainment (Adults 25+)
Madison city Rankings in South Dakota
Explore South Dakota Rankings
Other Cities in Lake County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Ramona town | 427 | $76,042 | 10.1% | $92,900 |
| Wentworth village | 189 | $91,875 | 9.5% | N/A |
| Brant Lake city | 68 | $123,750 | 0.0% | $422,200 |
| Nunda town | 43 | N/A | 23.3% | $113,500 |
Cities Similar to Madison city
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Belle Fourche city | 5,741 | $59,920 | $188,800 | 15.2% | 7.1% |
| Sturgis city | 7,111 | $51,101 | $236,400 | 19.8% | 9.0% |
| Tea city | 6,339 | $104,643 | $305,300 | 41.4% | 4.4% |
| Rapid Valley CDP | 7,153 | $85,217 | $226,300 | 20.1% | 6.9% |
| Harrisburg city | 7,790 | $101,534 | $281,400 | 40.5% | 1.5% |
Population Overview
Madison city is a small city located in South Dakota, within Lake County. The total population is 6,158. It ranks as the 18th most populous out of 439 cities and towns in South Dakota.
Age Demographics
The median age in Madison city is 39.6 years. This is 5% higher than the state median of 37.7 years.
Economy, Income & Housing
The median household income in Madison city is $62,180. This is 14% lower than the state median of $72,421. Compared to the national median of $78,538, household income here is 21% lower. The poverty rate stands at 11.2%. This is 7% lower than the state poverty rate of 12.0%. The unemployment rate is 3.1%. This is 5% higher than the state rate of 3.0%. The median home value is $191,400. Housing costs are 19% lower than the state median of $236,800. The home-value-to-income ratio is 3.1x. 55.9% of occupied housing units are owner-occupied. This homeownership rate is 19% lower than the state average of 68.6%.
Race & Ethnicity
Madison city has a predominantly White (non-Hispanic) population, comprising 92.3% of all residents. Hispanic or Latino residents account for 5.3%. The Black or African American population (0.9%) is well below the state average of 2.2%. The Asian population (0.4%) is well below the state average of 1.4%.
Education
35.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 15% higher than the state rate of 31.1%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.3%.
Data Sources & Methodology
All demographic data for Madison city, South Dakota is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against South Dakota state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 439 Census-designated places in South Dakota. For official data, visit data.census.gov.
Free data download: Get all South Dakota city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Madison city, South Dakota?
Madison city, South Dakota has a population of 6,158 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Madison city, SD?
The median household income in Madison city is $62,180, which is 21% lower the national median of $78,538.
What is the poverty rate in Madison city, SD?
The poverty rate in Madison city is 11.2%. This means approximately 636 residents live below the federal poverty line.
What is the racial makeup of Madison city, South Dakota?
Madison city's population is 92.3% White, 0.9% Black, 5.3% Hispanic/Latino, and 0.4% Asian.
What is the median home value in Madison city, SD?
The median home value in Madison city is $191,400. The home-value-to-income ratio is 3.1x.
How educated is Madison city, South Dakota?
35.7% of adults (25+) in Madison city hold a bachelor's degree or higher, and 9.7% hold a graduate or professional degree.