THE CLEAR LAKE LAND BRIEF
Land in the
Illinois/Indiana Prairies setting.
Clear Lake township has 33.7 square miles of land in Sangamon County. Its Census reference point is in Illinois/Indiana Prairies, within Central Corn Belt Plains.
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 ↗ · Classification at the Census reference point
Clear Lake and Sangamon County
Clear Lake is associated with Sangamon 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.
Clear Lake by land and water
The Census records 0.81 square miles of water within Clear Lake, or 2.4% of its total area. It is 1.4 percentage points higher than the 1% recorded for Sangamon County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Clear Lake township has 10.5 times the land area of nearby Riverton village (3.22 square miles). These areas describe boundaries, not comparable property prices.

