Ross County Flag

Ross County

State:
Ohio
County Seat:
Chillicothe

Ross County's 2026 population is estimated at 75,458, reflecting a -0.39% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Ross County is the 33rd largest county in Ohio. The 2010 population was 78,102 and has grown -3.39% since 2010.

75,458
Total Population
110
Population Density (mi²)
33
Population Rank (State)
-294 -0.39%
Annual Population Growth

Ross County Population

Demographics

Economics and Income Statistics