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 and multiracial populations.

Population by Race

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%

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