'Middlesex County, MA' definitions:
Middlesex -- U.S. County in Massachusetts
From: Gazetteer 2000
Name :
Middlesex -- U.S. County in Massachusetts
Population (2000) :
1465396
Housing Units (2000) :
576681
Land area (2000) :
823.457968 sq. miles (2132.746255 sq. km)
Water area (2000) :
24.084081 sq. miles (62.377480 sq. km)
Total area (2000) :
847.542049 sq. miles (2195.123735 sq. km)
Located within :
Massachusetts (MA), FIPS 25
Location :
42.459085 N, 71.275566 W