THE LAKE WISCONSIN LAND BRIEF
Land in the
Southeastern Wisconsin Savannah and Till Plain setting.
Lake Wisconsin CDP has 13.4 square miles of land in Columbia County, Sauk County. Its Census reference point is in Southeastern Wisconsin Savannah and Till Plain, within Southeastern Wisconsin Till Plains.
Glacial till plains support a transition between hardwood forest, oak savanna and prairie landscapes. Rolling farmland and woodland reflect this meeting of ecological regions in southeastern Wisconsin.
Regional context: Southeastern Wisconsin Till Plains ↗ · Classification at the Census reference point
One place name. 2 county geographies.
Lake Wisconsin intersects 2 county geographies: Columbia County, Sauk County. A Lake Wisconsin mailing address alone cannot choose the right record office; use the county and parcel identifier on the tax bill or deed.
Lake Wisconsin by land and water
The Census records 11.1 square miles of water within Lake Wisconsin, or 45.3% of its total area. It is 28 percentage points higher than the 17.3% recorded for Wisconsin. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Lake Wisconsin CDP has 16.3 times the land area of nearby Merrimac village (0.82 square miles). These areas describe boundaries, not comparable property prices.

