Gloucester -- U.S. County in New Jersey Population (2000): 254673 Housing Units (2000): 95054 Land area (2000): 324.718263 sq. miles (841.016405 sq. km) Water area (2000): 12.201439 sq. miles (31.601580 sq. km) Total area (2000): 336.919702 sq. miles (872.617985 sq. km) Located within: New Jersey (NJ), FIPS 34 Location: 39.752778 N, 75.136197 W Headwords: Gloucester Gloucester, NJ Gloucester County Gloucester County, NJ