Chillicothe Flag

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 2026 population of 6,052. Chillicothe is currently growing at a rate of 0.58% annually but its population has decreased by -0.97% since the most recent census, which recorded a population of 6,111 in 2020.

6.1K
Total Population
1,148
Density (mi²)
35 0.58%
Growth

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)