Smithton Flag

Smithton

County Seat:
No
Area (mi²):
4.503
State:
Illinois

Smithton is a village located in St. Clair County, Illinois. Smithton has a 2026 population of 3,888. Smithton is currently declining at a rate of -0.46% annually and its population has decreased by -2.87% since the most recent census, which recorded a population of 4,003 in 2020.

3.9K
Total Population
863
Density (mi²)
-18 -0.46%
Growth