Lake Madison
- County:
- Lake County
- County Seat:
- No
- Area (mi²):
- 4.721
- State:
- South Dakota
Lake Madison is a CDP located in Lake County, South Dakota South Dakota. Unfortunately, the data for this location is currently limited or unavailable.
The median household income in Lake Madison is $129,191 with a poverty rate of 0.96%. The median age in Lake Madison is 63.2 years: 62.8 years for males, and 64.2 years for females. For every 100 females there are 126.6 males.