Classification: County
Located in: Massachusetts (MA)
Total Population (2000): 650308
Total Housing Units (2000): 255154
Land Area (square meters): 1034915597
Water Area (square meters): 114878501
Land Area (square miles): 399.583163
Water Area (square miles): 44.354839
Latitude (decimal degrees): 42.199156
Longitude (decimal degrees): -71.15444
FIPS Code: 25
Place FIPS Code: 21