'Middlesex County' 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
Middlesex -- U.S. County in New Jersey
From: Gazetteer 2000
Name :
Middlesex -- U.S. County in New Jersey
Population (2000) :
750162
Housing Units (2000) :
273637
Land area (2000) :
309.719506 sq. miles (802.169805 sq. km)
Water area (2000) :
12.792287 sq. miles (33.131870 sq. km)
Total area (2000) :
322.511793 sq. miles (835.301675 sq. km)
Located within :
New Jersey (NJ), FIPS 34
Location :
40.494044 N, 74.383918 W
Middlesex -- U.S. County in Virginia
From: Gazetteer 2000
Name :
Middlesex -- U.S. County in Virginia
Population (2000) :
9932
Housing Units (2000) :
6362
Land area (2000) :
130.298269 sq. miles (337.470952 sq. km)
Water area (2000) :
80.455402 sq. miles (208.378526 sq. km)
Total area (2000) :
210.753671 sq. miles (545.849478 sq. km)
Located within :
Virginia (VA), FIPS 51
Location :
37.595718 N, 76.489133 W
Middlesex -- U.S. County in Connecticut
From: Gazetteer 2000
Name :
Middlesex -- U.S. County in Connecticut
Population (2000) :
155071
Housing Units (2000) :
67285
Land area (2000) :
369.262704 sq. miles (956.385973 sq. km)
Water area (2000) :
69.805970 sq. miles (180.796624 sq. km)
Total area (2000) :
439.068674 sq. miles (1137.182597 sq. km)
Located within :
Connecticut (CT), FIPS 09
Location :
41.449378 N, 72.539622 W