Mascoutah Flag

Mascoutah

County Seat:
No
Area (mi²):
9.64
State:
Illinois

Mascoutah is a city located in St. Clair County, Illinois. Mascoutah has a 2026 population of 9,118. Mascoutah is currently growing at a rate of 1.45% annually and its population has increased by 3.79% since the most recent census, which recorded a population of 8,785 in 2020.

9.1K
Total Population
946
Density (mi²)
130 1.45%
Growth