Greene County
Also known as Greene County, Pennsylvania, Greene County, PA
county in Pennsylvania, United States
Key facts
- Country
- United States
- State
- Pennsylvania
- Founded
- February 9, 1796
- Named after
- Nathanael Greene
- Seat
- Waynesburg
- Largest borough
- Waynesburg
- Chairman of the board of commissioners
- Jared Edgreen
- Total
- 578 sq mi (1,500 km )
- Land
- 576 sq mi (1,490 km )
- Water
- 2.0 sq mi (5.2 km ) 0.4%
- Estimate 2025
- 33,885
- Density
- 62/sq mi (24/km )
- Time zone
Article
Greene County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 35,954. Its county seat is Waynesburg. Greene County is part of the Pittsburgh media market. The county is part of the Southwest region of the commonwealth.
History