Greene County Flag

Greene County

State:
Pennsylvania
County Seat:
Waynesburg

Greene County's estimated 2026 population is 33,628 with a growth rate of -0.76% in the past year according to the most recent United States census data. Greene County is the 58th largest county in Pennsylvania. The 2010 population was 38,616 and has seen a growth of -12.92% since that time.

33,628
Total Population
58
Population Density (mi²)
58
Population Rank (State)
-257 -0.76%
Annual Population Growth

Greene County Population

Demographics

Economics and Income Statistics