Lake Wisconsin, Wisconsin

Lake Wisconsin, Wisconsin
Location of Lake Wisconsin, Wisconsin
Coordinates: 43°22′24″N 89°34′32″W / 43.37333°N 89.57556°W / 43.37333; -89.57556
CountryUnited States
StateWisconsin
CountiesColumbia, Sauk
Area
  Total
21.456 sq mi (55.57 km2)
  Land12.134 sq mi (31.43 km2)
  Water9.322 sq mi (24.14 km2)
Elevation
807 ft (246 m)
Population
 (2020)
  Total
4,616
  Density220/sq mi (83/km2)
Time zoneUTC-6 (Central (CST))
  Summer (DST)UTC-5 (CDT)
Area code608
FIPS code55-42012
GNIS feature ID1867661

Lake Wisconsin is a census-designated place (CDP) in Columbia and Sauk counties, in the towns of Lodi and Merrimac, in Wisconsin, United States. The population was 4,616 at the 2020 census, up from 4,189 at the 2010 census.

The Columbia County portion of the Lake Wisconsin is part of the Madison Metropolitan Statistical Area, while the Sauk County portion is part of the Baraboo Micropolitan Statistical Area.