Smithton township Flag

Smithton township

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

Smithton township is located in St. Clair County, Illinois. Smithton township has a 2026 population of 4,039. Smithton township is currently declining at a rate of -0.49% annually and its population has decreased by -2.89% since the most recent census, which recorded a population of 4,159 in 2020.

The median household income in Smithton township is $116,875 with a poverty rate of 4.16%. The median age in Smithton township 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
125
Density (mi²)
-20 -0.49%
Growth

Smithton township Population

Smithton township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Smithton township includes 93.01% White, and smaller percentages for Asian, Black or African American and multiracial populations.

Population by Race

White (93.01%)

Two or more races (6.09%)

Asian (0.73%)

Black or African American (0.17%)

Race
Population
Percentage (of total)
White3,83393.01%
Two or more races2516.09%
Asian300.73%
Black or African American70.17%

Smithton township Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Smithton township's average per capita income is $62,321. Household income levels show a median of $116,875. The poverty rate stands at 4.16%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$147,083-
Families$139,891$142,290
Households$116,875$123,602
Non Families$33,472$51,609

$62,321

Average Income

$116,875

Median Household Income

4.16%

Poverty Rate

Nearby Cities

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)