Greene County Flag

Greene County

State:
Ohio
County Seat:
Xenia

Greene County's 2026 population is estimated at 176,371, reflecting a 1.15% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Greene County is the 18th largest county in Ohio. The 2010 population was 161,599 and has grown 9.14% since 2010.

176,371
Total Population
426
Population Density (mi²)
18
Population Rank (State)
2K 1.15%
Annual Population Growth

Greene County Population

Demographics

Economics and Income Statistics