Cottage Township is located in Saline County, Illinois. As of the 2010 census, its population was 219 and it contained 108 housing units.[2]
Geography
According to the 2010 census, the township has a total area of 31.06 square miles (80.4 km2), of which 30.56 square miles (79.2 km2) (or 98.39%) is land and 0.49 square miles (1.3 km2) (or 1.58%) is water.[2]