THE DUNCAN LAND BRIEF
Land in the
Des Moines Lobe setting.
Duncan CDP has 0.79 square miles of land in Hancock County. Its Census reference point is in Des Moines Lobe, within Western Corn Belt Plains.
Glacial till plains and windblown loess hills make up the Western Corn Belt landscape. Near-level and rolling terrain are interspersed with steeper river valleys and hills.
Regional context: Western Corn Belt Plains ↗ · Classification at the Census reference point
Duncan and Hancock County
Duncan is associated with Hancock 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.
Duncan by land and water
The Census records <0.01 square miles of water within Duncan, or 0.9% of its total area. It is 0.5 percentage points higher than the 0.4% recorded for Hancock County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Duncan CDP has 80.6% of the land area of nearby Hayfield CDP (0.97 square miles). These areas describe boundaries, not comparable property prices.

