Smithton Flag

Smithton

County Seat:
No
Area (mi²):
32.29
State:
Illinois

Smithton is located in St. Clair County, Illinois. Smithton has a 2025 population of 4,019 . Smithton is currently declining at a rate of -0.5% annually and its population has decreased by -3.37% since the most recent census, which recorded a population of 4,159 in 2020.

The average household income in Smithton is $123,602 with a poverty rate of 4.16%. The median age in Smithton is 42.3 years: 42.2 years for males, and 42.6 years for females. For every 100 females there are 106.6 males.

4K
Total Population
124
Density (mi²)
-20 -0.5%
Growth

Smithton Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)