Clermont County Flag

Clermont County

State:
Ohio
County Seat:
Batavia

Clermont County's estimated 2026 population is 217,965 with a growth rate of 0.89% in the past year according to the most recent United States census data. Clermont County is the 14th largest county in Ohio. The 2010 population was 197,613 and has seen a growth of 10.3% since that time.

217,965
Total Population
481
Population Density (mi²)
14
Population Rank (State)
1.9K 0.89%
Annual Population Growth

Clermont County Population

Demographics

Economics and Income Statistics