Centreville township

County:: St. Clair County
County Seat:: No
Area (mi²):: 27.929
State:: Illinois

Centreville township is located in St. Clair County, Illinois. Centreville township has a 2025 population of 18,865. Centreville township is currently declining at a rate of -1.26% annually and its population has decreased by -6.29% since the most recent census, which recorded a population of 20,132 in 2020.

The average household income in Centreville township is $56,629 with a poverty rate of 30.7%.The median age in Centreville township is 35.4 years: 38.6 years for males, and 33.5 years for females.

Demographics

The racial composition of Centreville township includes 65.68% Black or African American, 26.38% White, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
Black or African American	13,088	65.68%
White	5,257	26.38%
Two or more races	876	4.4%
Asian	306	1.54%
Other race	291	1.46%
Native American	100	0.5%
Native Hawaiian or Pacific Islander	8	0.04%

Centreville township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Centreville township's average per capita income is $30,755. Household income levels show a median of $39,288. The poverty rate stands at 30.7%.

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	$69,625	-
Families	$43,712	$63,726
Households	$39,288	$56,629
Non Families	$31,977	$38,298

$30,755

Average Income

$39,288

Median Household Income

30.7%

Poverty Rate