THE OAK RUN LAND BRIEF
Land in the
Darby Plains setting.
Oak Run township has 27.6 square miles of land in Madison County. Its Census reference point is in Darby Plains, within Eastern Corn Belt Plains.
Rolling glacial till plains are interrupted by end moraines and areas of older, more dissected deposits. The historical landscape had more tree cover than the Central Corn Belt to the west.
Regional context: Eastern Corn Belt Plains ↗ · Classification at the Census reference point
Oak Run and Madison County
Oak Run is associated with Madison 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.
Oak Run by land and water
The Census records 0.04 square miles of water within Oak Run, or 0.1% of its total area. That share is close to Madison County’s 0.2%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Oak Run township has 86.5% of the land area of nearby Fairfield township (31.9 square miles). These areas describe boundaries, not comparable property prices.

