About This Place
Mascoutah is a small town in St. Clair County, Illinois, United States. The population was 7,483 at the 2010 census.
Mascoutah is located at 38°29′50″N 89°48′4″W / 38.49722°N 89.80111°W / 38.49722; -89.80111 (38.497312, -89.801248).
According to the United States Census Bureau, the city has a total area of 8.7 square miles (22.5 km²), of which, 8.6 square miles (22.4 km²) of it is land and 0.1 square miles (0.2 km²) of it (0.69%) is water.