Chillicothe Flag

Chillicothe

County:
Ross County
County Seat:
Yes
Area (mi²):
10.5
State:
Ohio

Chillicothe is a city located in Ross County, Ohio. Chillicothe has a 2026 population of 21,769. It is also the county seat of Ross County. Chillicothe is currently declining at a rate of -0.38% annually and its population has decreased by -1.23% since the most recent census, which recorded a population of 22,041 in 2020.

21.8K
Total Population
2,073
Density (mi²)
-84 -0.38%
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)