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 and multiracial populations.

Population by Race

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%

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