County of middlesex

new jersey

History & Founding

Located in central New Jersey, this county boasts a rich history and a diverse tapestry of communities. Established in 1683 by Royal Charter, it was originally part of the Province of East Jersey. The name "Middlesex" derives from the English county of Middlesex, reflecting the early settlers’ origins. Initially encompassing a much larger area, it was gradually reduced as other counties were formed, including Somerset, Hunterdon, and Union. During the Revolutionary War, the area played a crucial role, serving as a vital supply route and witnessing skirmishes. A fascinating anecdote recounts how General Washington briefly headquartered in New Brunswick during the winter of 1776-77, using the Rahway River as a strategic advantage for troop movements and supply lines. The county’s early development was intrinsically linked to the growth of New Jersey as a whole, contributing significantly to the state’s agricultural and later industrial expansion.

Geography & Landscape

The county’s geography is characterized by a varied landscape. Situated within the Piedmont Plateau region, the terrain is generally rolling hills and fertile farmland. The Rahway River and the Raritan River are the major waterways, providing both transportation and irrigation. While no significant mountains are located within the county’s boundaries, the Watchung Mountains lie just to the west, providing a scenic backdrop. The climate is humid subtropical, with warm, humid summers and mild winters. The land area spans 311 square miles, a blend of developed areas and preserved natural spaces. The soil composition, historically ideal for agriculture, continues to shape the character of the region.

Economy & Communities

The county is a vibrant mix of urban, suburban, and rural communities, encompassing 39 distinct cities and towns. Major population centers include New Brunswick, Woodbridge Township, Piscataway, and Edison. Historically an agricultural hub, the economy has diversified considerably. While agriculture remains important, particularly for produce and livestock, industry plays a significant role. Pharmaceuticals, technology, and healthcare are major sectors, with notable employers such as Johnson & Johnson, Rutgers University, and St. Peter’s University Hospital. The area's proximity to New York City and Philadelphia has fueled economic growth and attracted a diverse workforce. The character of the county is decidedly suburban, with a strong sense of community and a blend of established neighborhoods and newer developments.

Points of Interest

Numerous points of interest draw visitors and residents alike. Rutgers University, the state's flagship institution, is a major cultural and intellectual center, hosting numerous events and attracting students from around the globe. The New Brunswick Performing Arts Center is a premier destination for theater and music. Duke Farms, a meticulously restored historic estate, offers beautiful gardens and walking trails. The Middlesex County Museum offers insights into the area’s rich heritage. The county is also home to numerous parks and recreational facilities. Notably, the county holds the record for having the highest concentration of Polish-American residents in New Jersey, reflected in the vibrant Polish cultural heritage found in towns like Carteret. The annual Middlesex County Fair is a beloved tradition, celebrating the county’s agricultural roots and community spirit.

Information

State
new jersey
Type
County
Population
750,162
Land area
311 sq mi
Capital
New Brunswick
Time zone
UTC-5
FIPS
34023

39 Cities

CityPopulationElevation
Edison97,687100 ft (30 m)
New Brunswick48,57380 ft (24 m)
Perth Amboy47,30365 ft (20 m)
East Brunswick46,75610 ft (3 m)
Sayreville40,37741 ft (12 m)
Old Bridge22,83330 ft (9 m)
South Plainfield21,81067 ft (20 m)
Carteret20,70916 ft (5 m)
Woodbridge18,30934 ft (10 m)
Colonia17,81160 ft (18 m)
Avenel17,55284 ft (26 m)
Iselin16,69864 ft (20 m)
South River15,32280 ft (24 m)
Fords15,032116 ft (35 m)
Highland Park13,999-
Middlesex13,71761 ft (19 m)
Princeton Meadows13,436180 ft (55 m)
Metuchen12,840117 ft (36 m)
Kendall Park9,006200 ft (61 m)
South Amboy7,91399 ft (30 m)
Spotswood7,88031 ft (9 m)
Milltown7,00060 ft (18 m)
Madison Park6,929140 ft (43 m)
Dunellen6,82360 ft (18 m)
Dayton6,235120 ft (37 m)
Laurence Harbor6,22727 ft (8 m)
Jamesburg6,02565 ft (20 m)
Heathcote4,755100 ft (30 m)
Port Reading3,82920 ft (6 m)
Society Hill3,804100 ft (30 m)
Concordia3,65840 ft (12 m)
Rossmoor3,129140 ft (43 m)
Clearbrook Park3,053100 ft (30 m)
Sewaren2,78040 ft (12 m)
Monmouth Junction2,72191 ft (28 m)
Brownville2,66070 ft (21 m)
Plainsboro Center2,20980 ft (24 m)
Cranbury2,008103 ft (31 m)
Helmetta1,82544 ft (13 m)

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