Preble County Flag

Preble County

State:
Ohio
County Seat:
Eaton

Preble County's estimated 2026 population is 40,610 with a growth rate of -0.13% in the past year according to the most recent United States census data. Preble County is the 61st largest county in Ohio. The 2010 population was 42,172 and has seen a growth of -3.7% since that time.

40,610
Total Population
96
Population Density (mi²)
61
Population Rank (State)
-54 -0.13%
Annual Population Growth

Preble County Population

Demographics

Economics and Income Statistics