Chillicothe is a city located in Peoria County, Illinois. Chillicothe has a 2025 population of 6,037 . Chillicothe is currently declining at a rate of -0.25% annually and its population has decreased by -1.21% since the most recent census, which recorded a population of 6,111 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. For every 100 females there are 81.7 males.
Data after 2023 is projected based on recent change
The racial composition of Chillicothe includes 86.26% White, and smaller percentages for Black or African American, other race, Asian and multiracial populations.
White (86.26%)
Two or more races (10.9%)
Black or African American (1.73%)
Other race (0.6%)
Asian (0.52%)
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% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Married Families | $89,402 | - |
| Families | $72,900 | $96,195 |
| Households | $62,108 | $80,235 |
| Non Families | $51,774 | $57,310 |
Average Income
Median Household Income
Poverty Rate