Edwardsville Township is located in Madison County, Illinois, in the United States. As of the 2010 census, its population was 37,657 and it contained 15,482 housing units.[2]
According to the 2010 census, the township has a total area of 35.99 square miles (93.2 km2), of which 35.25 square miles (91.3 km2) (or 97.94%) is land and 0.74 square miles (1.9 km2) (or 2.06%) is water.[2]