THE SAUK COUNTY LAND BRIEF
Land in the
Blufflands and Coulees setting.
Sauk County has 831.6 square miles of land in Wisconsin. 4 mapped landscape regions meet across Sauk County: Blufflands and Coulees, Glacial Lake Wisconsin Sand Plain, Central Sand Ridges, among others.
Deeply cut valleys divide a bedrock plateau with windblown soil on many uplands. Glaciers had less influence here than in neighboring regions, leaving a distinctly hilly landscape.
Regional context: Driftless Area ↗ · Regional mapping across the county footprint
Where the landscape changes
Sauk County intersects 4 mapped regional units. The largest mapped shares are:
- Blufflands and Coulees92.6%
- Glacial Lake Wisconsin Sand Plain3.2%
- Central Sand Ridges2.6%
- Southeastern Wisconsin Savannah and Till Plain1.6%
North Central Hardwood Forests in Sauk County
This transition between northern forests and southern farming country includes lakes, wetlands and hardwood woodland. Glacial landforms support a mosaic of open land and wooded areas.
Read the regional source ↗Southeastern Wisconsin Till Plains in Sauk County
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.
Read the regional source ↗Finding your parcel within Sauk County
The atlas lists 41 cities, towns, townships, and Census communities associated with Sauk County, including Troy, Bear Creek, Franklin. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Sauk County by land and water
The Census records 17.6 square miles of water within Sauk County, or 2.1% of its total area. That share is close to Sauk County’s 2.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Sauk County has 24.3 times the land area of nearby Freedom town (34.3 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Columbia County, Dane County, Iowa County, Juneau County, Richland County, Vernon County within Wisconsin. A tract near one of these lines should be matched to the county identifier on its own records.

