Columbiana County Flag

Columbiana County

State:
Ohio
County Seat:
Lisbon

Columbiana County's 2026 population is estimated at 99,195, reflecting a -0.32% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Columbiana County is the 27th largest county in Ohio. The 2010 population was 107,889 and has grown -8.06% since 2010.

99,195
Total Population
186
Population Density (mi²)
27
Population Rank (State)
-314 -0.32%
Annual Population Growth

Columbiana County Population

Demographics

Economics and Income Statistics