Classification: County
Located in: Pennsylvania (PA)
Total Population (2000): 312090
Total Housing Units (2000): 128910
Land Area (square meters): 897850049
Water Area (square meters): 4354647
Land Area (square miles): 346.661857
Water Area (square miles): 1.681339
Latitude (decimal degrees): 40.605797
Longitude (decimal degrees): -75.505467
FIPS Code: 42
Place FIPS Code: 77