Chillicothe, Illinois, is a small city located in Peoria County along the Illinois River. It has a population of around 6,000 residents and covers an area of approximately 3.5 square miles. The city is known for its friendly community and local events, making it a welcoming place for families and visitors. Founded in the early 19th century, Chillicothe has a rich history that includes its role in the Illinois and Michigan Canal development. The city offers various recreational opportunities, including parks and access to the river, which enhance the quality of life for its residents.