Denison Township, Lawrence County, Illinois

Denison Township is located in Lawrence County, Illinois. As of the 2010 census, its population was 1,558 and it contained 738 housing units.

The township's name honors William Denison, a county official.

Geography
According to the 2010 census, the township has a total area of 58.37 sqmi, of which 57.9 sqmi (or 99.19%) is land and 0.47 sqmi (or 0.81%) is water.