Lake Madison is an unincorporated community and census-designated place in Lake County, South Dakota, United States. Its population was 829 as of the 2020 census.[4] The community is located on the shores of Lake Madison.

Lake Madison, South Dakota
Census-designated place
Lake Madison Show map of South Dakota Lake Madison Show map of the United States
Coordinates: 43°57′33″N 97°01′15″W
Country	United States
State	South Dakota
County	Lake
Area [1]
• Total	9.10 sq mi (23.58 km2)
• Land	4.72 sq mi (12.23 km2)
• Water	4.38 sq mi (11.35 km2)
Elevation	1,604 ft (489 m)
Population  (2020)[2]
• Total	829
• Density	175.60/sq mi (67.80/km2)
Time zone	UTC-6 (Central (CST))
• Summer (DST)	UTC-5 (CDT)
Area code	605
GNIS feature ID	2584557[3]
FIPS code	46-35430

Geography

The community is in southeastern Lake County, surrounding Lake Madison. The CDP is 3 to 10 miles (5 to 16 km) southeast of Madison, the county seat. South Dakota Highway 34 forms the northern edge of the CDP. The highway leads west into Madison and east 13 miles (21 km) to Interstate 29.

According to the U.S. Census Bureau, the community has an area of 9.104 square miles (23.58 km²); 4.749 square miles (12.30 km²) of its area is land, and 4.355 square miles (11.28 km²) is water.[5] Lake Madison drains to the southeast, into Round Lake and then Brant Lake, and is part of the Big Sioux River watershed.

Demographics

References

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