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 8,162 . Chillicothe is currently growing at a rate of 0.57% annually but its population has decreased by -0.96% since the most recent census, which recorded a population of 8,241 in 2020.

The median household income in Chillicothe is $66,008 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
453
Density (mi²)
46 0.57%
Growth

Chillicothe Population

Demographics

Economics and Income Statistics

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)