Decatur township

County:: Macon County
County Seat:: No
Area (mi²):: 29.065
State:: Illinois

Decatur township is located in Macon County, Illinois. Decatur township has a 2025 population of 45,241. Decatur township is currently declining at a rate of -0.8% annually and its population has decreased by -4.8% since the most recent census, which recorded a population of 47,520 in 2020.

The average household income in Decatur township is $64,252 with a poverty rate of 23.52%. The median age in Decatur township is 37.5 years: 36.1 years for males, and 39 years for females.

Demographics

The racial composition of Decatur township includes 62.22% White, 27.83% Black or African American, and smaller percentages for Asian, other race, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Asian

Other race

Native Hawaiian or Pacific Islander

Native American

Race	Population	Percentage (of total)
White	29,225	62.22%
Black or African American	13,073	27.83%
Two or more races	3,639	7.75%
Asian	483	1.03%
Other race	464	0.99%
Native Hawaiian or Pacific Islander	59	0.13%
Native American	25	0.05%

Decatur township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Decatur township's average per capita income is $40,820. Household income levels show a median of $47,734. The poverty rate stands at 23.52%.

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	$79,179	$98,767
Families	$63,750	$81,372
Households	$47,734	$64,252
Non Families	$36,602	$44,248

$40,820

Average Income

$47,734

Median Household Income

23.52%

Poverty Rate