THE ERIN LAND BRIEF
Land in the
Kettle Moraines setting.
Erin town has 35.8 square miles of land in Washington County. Its Census reference point is in Kettle Moraines, 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
Erin and Washington County
Erin is associated with Washington County in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Erin by land and water
The Census records 0.39 square miles of water within Erin, or 1.1% of its total area. That share is close to Washington County’s 1.2%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Erin town has 4 times the land area of nearby Hartford city (9.05 square miles). These areas describe boundaries, not comparable property prices.

