THE BROWN COUNTY LAND BRIEF
Land in the
Lake Michigan Lacustrine Clay Plain setting.
Brown County has 530.1 square miles of land in Wisconsin. 2 mapped landscape regions meet across Brown County: Lake Michigan Lacustrine Clay Plain, Green Bay Till and Lacustrine Plain.
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 ↗ · Regional mapping across the county footprint
Where the landscape changes
Brown County intersects 2 mapped regional units. The largest mapped shares are:
- Lake Michigan Lacustrine Clay Plain82.2%
- Green Bay Till and Lacustrine Plain17.8%
North Central Hardwood Forests in Brown 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 ↗Finding your parcel within Brown County
The atlas lists 26 cities, towns, townships, and Census communities associated with Brown County, including Green Bay, Suamico, Morrison. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Brown County by land and water
The Census records 85.6 square miles of water within Brown County, or 13.9% of its total area. That share is close to Brown County’s 13.9%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Brown County has 116.1 times the land area of nearby Allouez village (4.57 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Calumet County, Door County, Kewaunee County, Manitowoc County, Oconto County, Outagamie County, Shawano County within Wisconsin. A tract near one of these lines should be matched to the county identifier on its own records.

