THE POLK LAND BRIEF
Land in the
Loess Flats and Till Plains setting.
Polk township has 56.5 square miles of land in DeKalb County. Its Census reference point is in Loess Flats and Till Plains, within Central Irregular Plains.
Irregular plains form a transition between northern agricultural country and more wooded uplands to the south and east. Grassland and forest historically mixed, with wider woodland belts beside streams.
Regional context: Central Irregular Plains ↗ · Classification at the Census reference point
Polk and DeKalb County
Polk is associated with DeKalb 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.
Polk by land and water
The Census records 0.39 square miles of water within Polk, or 0.7% of its total area. It is 0.4 percentage points lower than the 1% recorded for DeKalb County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Polk township has 215.7 times the land area of nearby Union Star town (0.26 square miles). These areas describe boundaries, not comparable property prices.

