Cotton Hill Township, Sangamon County, Illinois

Cotton Hill Township is located in Sangamon County, Illinois. As of the 2010 census, its population was 902 and it contained 389 housing units. The township is the home of Hunter Lake, a proposed 3010 acre reservoir.

Geography
According to the 2010 census, the township has a total area of 30.18 sqmi, of which 29.82 sqmi (or 98.81%) is land and 0.36 sqmi (or 1.19%) is water.