Carterville

County:: Williamson County
County Seat:: No
Area (mi²):: 5.299
State:: Illinois

Carterville is a city located in Williamson County, Illinois. Carterville has a 2025 population of 5,778. Carterville is currently declining at a rate of -0.26% annually and its population has decreased by -1.26% since the most recent census, which recorded a population of 5,852 in 2020.

The average household income in Carterville is $101,045 with a poverty rate of 12.31%.The median age in Carterville is 39.9 years: 38 years for males, and 43.7 years for females.

Demographics

The racial composition of Carterville includes 89.68% White, 4.14% Asian, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	5,221	89.68%
Two or more races	270	4.64%
Asian	241	4.14%
Black or African American	90	1.55%

Carterville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Carterville's average per capita income is $46,420. Household income levels show a median of $65,238. The poverty rate stands at 12.31%.

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	$129,167	-
Families	$101,302	$129,777
Households	$65,238	$101,045
Non Families	$43,766	$55,853

$46,420

Average Income

$65,238

Median Household Income

12.31%

Poverty Rate