Classification: County
Located in: Pennsylvania (PA)
Total Population (2000): 381751
Total Housing Units (2000): 156720
Land Area (square meters): 2342526119
Water Area (square meters): 15021372
Land Area (square miles): 904.45443
Water Area (square miles): 5.799784
Latitude (decimal degrees): 39.927299
Longitude (decimal degrees): -76.742183
FIPS Code: 42
Place FIPS Code: 133