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, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other 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%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

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