Madison city, South Dakota
Official LSAD Designation: Madison city • Census GEOID: 4640220
• Lake County
Madison city is an incorporated city in Lake County, South Dakota. According to official records from the Census (2025), Madison city had an estimated population of 6,065 residents. Official Census Bureau geographic records classify this community under LSAD designation Madison city (GEOID 4640220).
Local Government Administration U.S. Census Bureau GMAF
City Of Madison
Municipal
Official Title:
Mayor
Address:
116 W CENTER ST, MADISON SD 57042-2833
County Of Lake
County
Official Title:
Lake County Auditor
Address:
200 E CENTER ST, STE 1, MADISON SD 57042-2956
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 6,065 | 2025 |
| Median Household Income | $65,593 | 2020-2024 |
| Median Home Value | $193,100 | 2020-2024 |
| Land Area | 4.62 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).