Middlesex County, New Jersey

Middlesex County is a county located in the U.S. state of New Jersey. As of the United States 2000 Census, the population was 750,162. It is part of the New York Metropolitan Area and its county seat is New Brunswick. The center of population for New Jersey is located in Middlesex County, in the town of Milltown, just east of the New Jersey Turnpike.

Geography

According to the U.S. Census Bureau, the county has a total area of 835 km² (323 sq mi). 802 km² (310 sq mi) of it is land and 33 km² (13 sq mi) of it (3.97%) is water.

Bisected by the Raritan River, the county is topographically typical of Central Jersey in that it is largely flat, with minimal relief. The highest point is a hill in a residential neighborhood in South Brunswick Township of approximately 300 feet (91.4 m) above sea level; the low elevation is sea level.

Municipalities
 

Most of these areas are census-designated places that have been created by the United States Census Bureau for enumeration purposes within a Township. Other communities and enclaves that exist within a municipality are marked as non-CDP next to the name.

Carteret
Cranbury Township
Cranbury CDP
Dunellen
East Brunswick Township
East Brunswick
Edison
Helmetta
Highland Park
Jamesburg
Metuchen
Middlesex
Milltown
Monroe Township
Clearbrook Park
Concordia
Rossmoor
Whittingham
New Brunswick
North Brunswick Township
Old Bridge Township
Brownville
Laurence Harbor
Madison Park
Old Bridge CDP
Perth Amboy
Piscataway Township
Society Hill
Plainsboro Township
Plainsboro Center
Princeton Meadows
Sayreville
South Amboy
Mechanicsville
South Brunswick Township
Dayton
Deans non-CDP
Heathcote
Kendall Park
Kingston
Monmouth Junction
South Plainfield
South River
Spotswood
Woodbridge Township
Avenel
Colonia
Fords
Hopelawn non-CDP
Iselin
Keasbey non-CDP
Menlo Park Terrace non-CDP
Port Reading
Sewaren
Woodbridge