Middlesex County, New Jersey Zip Codes

Zip Code
City
Population
8854Piscataway60,233
8861Perth Amboy58,136
8901New Brunswick56,870
8831Monroe Township54,229
8816East Brunswick49,027
8817Edison48,140
8902North Brunswick43,037
8857Old Bridge40,430
8820Edison39,565
7747Matawan32,749
7008Carteret25,170
8859Parlin24,487
7080South Plainfield24,256
8879South Amboy22,514
7095Woodbridge20,927
8536Plainsboro20,693
8872Sayreville19,613
8837Edison19,544
7067Colonia18,581
8830Iselin18,511
8840Metuchen18,075
8852Monmouth Junction18,068
7001Avenel17,211
8882South River16,081
8904Highland Park14,996
8846Middlesex14,525
8824Kendall Park13,297
8863Fords12,663
8512Cranbury12,519
8850Milltown8,410
8810Dayton8,361
8884Spotswood8,152
7064Port Reading4,031
8832Keasbey2,745
7077Sewaren2,695
8828Helmetta2,302

Overview of Zip Codes in Middlesex County

36
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2024, there are 36 ZCTAs in Middlesex County, New Jersey (US Census).