Classification: County
Located in: Pennsylvania (PA)
Total Population (2000): 550864
Total Housing Units (2000): 216978
Land Area (square meters): 477102716
Water Area (square meters): 16909016
Land Area (square miles): 184.210396
Water Area (square miles): 6.528608
Latitude (decimal degrees): 39.912978
Longitude (decimal degrees): -75.350636
FIPS Code: 42
Place FIPS Code: 45