Mascoutah Township is located in St. Clair County, Illinois. As of the 2010 census, its population was 8,217 and it contained 3,335 housing units.[2]
Geography
According to the 2010 census, the township has a total area of 39.33 square miles (101.9 km2), of which 39.09 square miles (101.2 km2) (or 99.39%) is land and 0.24 square miles (0.62 km2) (or 0.61%) is water.[2]