'Jefferson County, PA' definitions:
Jefferson -- U.S. County in Pennsylvania
From: Gazetteer 2000
Name :
Jefferson -- U.S. County in Pennsylvania
Population (2000) :
45932
Housing Units (2000) :
22104
Land area (2000) :
655.479714 sq. miles (1697.684593 sq. km)
Water area (2000) :
1.391967 sq. miles (3.605177 sq. km)
Total area (2000) :
656.871681 sq. miles (1701.289770 sq. km)
Located within :
Pennsylvania (PA), FIPS 42
Location :
41.097215 N, 78.985389 W