Worcester -- U.S. County in Massachusetts Population (2000): 750963 Housing Units (2000): 298159 Land area (2000): 1513.063932 sq. miles (3918.817426 sq. km) Water area (2000): 65.954850 sq. miles (170.822271 sq. km) Total area (2000): 1579.018782 sq. miles (4089.639697 sq. km) Located within: Massachusetts (MA), FIPS 25 Location: 42.329642 N, 71.840209 W Headwords: Worcester Worcester, MA Worcester County Worcester County, MA