Greene County Flag

Greene County

State:
Pennsylvania
County Seat:
Waynesburg

Greene County's 2026 population is estimated at 32,894, reflecting a -1.59% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Greene County is the 58th largest county in Pennsylvania. The 2010 population was 38,616 and has grown -14.82% since 2010.

32,894
Total Population
57
Population Density (mi²)
58
Population Rank (State)
-533 -1.59%
Annual Population Growth

Greene County Population

Demographics

Economics and Income Statistics