Smithton

County:: St. Clair County
County Seat:: No
Area (mi²):: 4.503
State:: Illinois

Smithton is a village located in St. Clair County, Illinois. Smithton has a 2025 population of 3,831. Smithton is currently declining at a rate of -0.88% annually and its population has decreased by -4.3% since the most recent census, which recorded a population of 4,003 in 2020.

The average household income in Smithton is $121,341 with a poverty rate of 3.53%. The median age in Smithton is 48.1 years: 47.6 years for males, and 48.2 years for females.

Demographics

The racial composition of Smithton includes 97.18% White, and smaller percentages for Two or more races, Black or African American, other race, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	3,413	97.18%
Two or more races	49	1.4%
Black or African American	42	1.2%
Other race	8	0.23%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Smithton Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Smithton's average per capita income is $68,000. Household income levels show a median of $114,453. The poverty rate stands at 3.53%.

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
Families	$149,975	$145,348
Married Families	$149,412	-
Households	$114,453	$121,341
Non Families	$32,309	$45,922

$68,000

Average Income

$114,453

Median Household Income

3.53%

Poverty Rate