
Place
Chillicothe is a city in Ross County, Ohio, United States, and its county seat. The population was 22,059 at the 2020 census. The town's population peaked around 25,000 in 1960 and has held steady in the intervening decades.
Not who you're looking for? Others named Chillicothe: city in Hardeman County, Texas, United States · city in northeast Peoria County, Illinois, United States · city in Wapello County, Iowa, United States · former train station in Illinois