Greene County Flag

Greene County

State:
Ohio
County Seat:
Xenia

Greene County's estimated 2025 population is 171,019 with a growth rate of 0.39% in the past year according to the most recent United States census data. Greene County is the 18th largest county in Ohio. The 2010 population was 161,599 and has seen a growth of 5.83% since that time.

171,019
Total Population
413
Population Density (mi²)
18
Population Rank (State)
664 0.39%
Annual Population Growth

Greene County Population

Demographics

Economics and Income Statistics