'Greene County, PA' definitions:

Greene -- U.S. County in Pennsylvania

From: Gazetteer 2000
Name :
Greene -- U.S. County in Pennsylvania
Population (2000) :
40672
Housing Units (2000) :
16678
Land area (2000) :
575.860595 sq. miles (1491.472030 sq. km)
Water area (2000) :
2.087812 sq. miles (5.407409 sq. km)
Total area (2000) :
577.948407 sq. miles (1496.879439 sq. km)
Located within :
Pennsylvania (PA), FIPS 42
Location :
39.858771 N, 80.162323 W