Chillicothe is a city located in Peoria County Illinois. With a 2020 population of 6,134, it is the 302nd largest city in Illinois and the 5808th largest city in the United States. Chillicothe is currently growing at a rate of 0.05% annually but its population has decreased by -3.04% since the most recent census, which recorded a population of 6,326 in 2020. Spanning over 6 miles, Chillicothe has a population density of 1,163 people per square mile.
The average household income in Chillicothe is $66,630 with a poverty rate of 14.67%. The median rental costs in recent years comes to $724 per month, and the median house value is $116,900. The median age in Chillicothe is 40 years, 38.4 years for males, and 40.5 years for females.
According to the most recent ACS, the racial composition of Chillicothewas:
Rate of Home Ownership
Average Family Size
Average Household Size
The highest rate of high school graduation is among asian people with a rate of 100.00%.
The highest rate of bachelors degrees is among white people with a rate of 26.92%.
98.57% of Chillicothe residents speak only English, while 1.43% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.09% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Chillicothe is White, with 10.65% below the poverty level.
The race least likely to be in poverty in Chillicothe is Hispanic, with 5.44% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.95%. Among those working part-time, it was 14.68%, and for those that did not work, the poverty rate was 17.62%.
Number of Veterans
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Chillicothe
97.93% of Chillicothe residents were born in the United States, with 71.75% having been born in Illinois. 1.41% of residents are not US citizens. Of those not born in the United States, the largest percentage are from North America.