THE DUNN COUNTY LAND BRIEF
Land in the
Central Wisconsin Undulating Till Plain setting.
Dunn County has 850.2 square miles of land in Wisconsin. 2 mapped landscape regions meet across Dunn County: Central Wisconsin Undulating Till Plain, Blufflands and Coulees.
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.
Regional context: North Central Hardwood Forests ↗ · Regional mapping across the county footprint
Where the landscape changes
Dunn County intersects 2 mapped regional units. The largest mapped shares are:
- Central Wisconsin Undulating Till Plain52.5%
- Blufflands and Coulees47.5%
Driftless Area in Dunn County
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.
Read the regional source ↗Finding your parcel within Dunn County
The atlas lists 33 cities, towns, townships, and Census communities associated with Dunn County, including Spring Brook, Dunn, Eau Galle. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Dunn County by land and water
The Census records 13.7 square miles of water within Dunn County, or 1.6% of its total area. That share is close to Dunn County’s 1.6%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Dunn County has 25.9 times the land area of nearby Tainter town (32.9 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Barron County, Chippewa County, Eau Claire County, Pepin County, Pierce County, Polk County, St. Croix County within Wisconsin. A tract near one of these lines should be matched to the county identifier on its own records.

