
Chillicothe
- County:
- Livingston County
- County Seat:
- Yes
- Area (mi²):
- 7.133
- State:
- Missouri
Chillicothe is a city located in Livingston County, Missouri. Chillicothe has a 2025 population of 9,374. It is also the county seat of .Chillicothe is currently growing at a rate of 1.79% annually and its population has increased by 9.65% since the most recent census, which recorded a population of 8,549 in 2020.
The average household income in Chillicothe is $71,871 with a poverty rate of 16.34%. The median age in Chillicothe is 37.7 years: 35.4 years for males, and 39.3 years for females.