THE MACON COUNTY LAND BRIEF
Land in the
Illinois/Indiana Prairies setting.
Macon County has 580.5 square miles of land in Illinois. The mapped landscape region in Macon County is Illinois/Indiana Prairies.
Glaciated plains historically supported tallgrass prairie mixed with oak and hickory woodland. Dark prairie soils and broad farming landscapes distinguish much of the Central Corn Belt.
Regional context: Central Corn Belt Plains ↗ · Regional mapping across the county footprint
Finding your parcel within Macon County
The atlas lists 30 cities, towns, townships, and Census communities associated with Macon County, including Mount Zion, Friends Creek, Decatur. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Macon County by land and water
The Census records 5.2 square miles of water within Macon County, or 0.9% of its total area. That share is close to Macon County’s 0.9%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Macon County has 20 times the land area of nearby Decatur township (29.1 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Christian County, De Witt County, Logan County, Moultrie County, Piatt County, Sangamon County, Shelby County within Illinois. A tract near one of these lines should be matched to the county identifier on its own records.

