Chillicothe, Illinois - Wikipedia, the free encyclopediaChillicothe is a city on the Illinois River in Peoria County, Illinois. The population was 5,996 at the 2000 census. Chillicothe is just north of the city of Peoria and …
City of Chillicothe IllinoisChillicothe is located in central Illinois. The Illinois River borders Chillicothe on the East while many acres of rolling topography surrou