THE CASTALIA LAND BRIEF
Land in the
Rochester/Paleozoic Plateau Upland setting.
Castalia city has 0.58 square miles of land in Winneshiek County. Its Census reference point is in Rochester/Paleozoic Plateau Upland, within Driftless Area.
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 ↗ · Classification at the Census reference point
Castalia and Winneshiek County
Castalia is associated with Winneshiek 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.
Castalia by land and water
The Census records 0 square miles of water within Castalia, or 0% of its total area. That share is close to Winneshiek County’s 0%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Castalia city has 54.1% of the land area of nearby Ossian city (1.07 square miles). These areas describe boundaries, not comparable property prices.

