Classification: County
Located in: Massachusetts (MA)
Total Population (2000): 534678
Total Housing Units (2000): 216918
Land Area (square meters): 1440023877
Water Area (square meters): 350150973
Land Area (square miles): 555.996351
Water Area (square miles): 135.194052
Latitude (decimal degrees): 41.778329
Longitude (decimal degrees): -71.102131
FIPS Code: 25
Place FIPS Code: 5