Centralia township

County:: Marion County
County Seat:: No
Area (mi²):: 35.079
State:: Illinois

Centralia township is located in Marion County, Illinois. Centralia township has a 2025 population of 13,753. Centralia township is currently declining at a rate of -0.66% annually and its population has decreased by -3.94% since the most recent census, which recorded a population of 14,317 in 2020.

The average household income in Centralia township is $69,750 with a poverty rate of 20.25%. The median age in Centralia township is 40.8 years: 39.1 years for males, and 41.9 years for females.

Demographics

The racial composition of Centralia township includes 84.44% White, 8.55% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	11,972	84.44%
Black or African American	1,212	8.55%
Two or more races	632	4.46%
Other race	241	1.7%
Asian	116	0.82%
Native American	5	0.04%
Native Hawaiian or Pacific Islander	0	0%

Centralia township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Centralia township's average per capita income is $40,410. Household income levels show a median of $51,967. The poverty rate stands at 20.25%.

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	$88,789	-
Families	$74,447	$90,650
Households	$51,967	$69,750
Non Families	$32,611	$41,063

$40,410

Average Income

$51,967

Median Household Income

20.25%

Poverty Rate