Classification: County
Located in: Pennsylvania (PA)
Total Population (2000): 251798
Total Housing Units (2000): 111133
Land Area (square meters): 1360493165
Water Area (square meters): 83509841
Land Area (square miles): 525.28937
Water Area (square miles): 32.243331
Latitude (decimal degrees): 40.324487
Longitude (decimal degrees): -76.804656
FIPS Code: 42
Place FIPS Code: 43