Chillicothe

County:: Peoria County
County Seat:: No
Area (mi²):: 5.274
State:: Illinois

Chillicothe is a city located in Peoria County, Illinois. Chillicothe has a 2025 population of 5,889. Chillicothe is currently declining at a rate of -0.74% annually and its population has decreased by -3.6% since the most recent census, which recorded a population of 6,109 in 2020.

The average household income in Chillicothe is $80,235 with a poverty rate of 14.5%. The median age in Chillicothe is 43.9 years: 41.3 years for males, and 45.9 years for females.

Demographics

The racial composition of Chillicothe includes 86.26% White, and smaller percentages for Black or African American, other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	5,335	86.26%
Two or more races	674	10.9%
Black or African American	107	1.73%
Other race	37	0.6%
Asian	32	0.52%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Chillicothe Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Chillicothe's average per capita income is $47,155. Household income levels show a median of $62,108. The poverty rate stands at 14.5%.

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	$89,402	-
Families	$72,900	$96,195
Households	$62,108	$80,235
Non Families	$51,774	$57,310

$47,155

Average Income

$62,108

Median Household Income

14.5%

Poverty Rate