Chillicothe Flag

Chillicothe

County:
Peoria County
County Seat:
No
Area (mi²):
18.034
State:
Illinois

Chillicothe is located in Peoria County, Illinois. Chillicothe has a 2025 population of 8,208 . Chillicothe is currently growing at a rate of 0.56% annually but its population has decreased by -0.4% since the most recent census, which recorded a population of 8,241 in 2020.

The average household income in Chillicothe is $86,087 with a poverty rate of 12.37%. The median age in Chillicothe is 43.3 years: 41.4 years for males, and 45.3 years for females. For every 100 females there are 90.0 males.

8.2K
Total Population
455
Density (mi²)
46 0.56%
Growth

Chillicothe Population

Chillicothe Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Chillicothe includes 89.45% White, and smaller percentages for Black or African American, other race, Asian and multiracial populations.

Population by Race

White (89.45%)

Two or more races (8.4%)

Black or African American (1.31%)

Other race (0.45%)

Asian (0.39%)

Race
Population
Percentage (of total)
White7,30989.45%
Two or more races6868.4%
Black or African American1071.31%
Other race370.45%
Asian320.39%

Chillicothe Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Chillicothe's average per capita income is $46,914. Household income levels show a median of $66,008. The poverty rate stands at 12.37%.

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$105,911-
Families$80,797$102,783
Households$66,008$86,087
Non Families$51,197$60,863

$46,914

Average Income

$66,008

Median Household Income

12.37%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)