Middlesex County ZIP Codes

List of ZIP Codes in Middlesex County

The following table lists ZIP Codes associated with Middlesex County, New Jersey, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude City Population Density
1 07001 40.58342 -74.26992 Avenel 17,143 1773.0
2 07008 40.58489 -74.2284 Carteret 25,220 2214.5
3 07064 40.56865 -74.2464 Port Reading 3,742 1095.5
4 07067 40.59255 -74.31479 Colonia 18,294 1753.1
5 07077 40.55415 -74.25489 Sewaren 3,196 800.1
6 07080 40.57483 -74.41542 South Plainfield 24,215 1137.2
7 07095 40.55358 -74.28743 Woodbridge 20,086 1683.0
8 07747 40.41312 -74.2521 Matawan 32,246 973.4
9 08512 40.32166 -74.52586 Cranbury 12,511 211.8
10 08536 40.33392 -74.58488 Plainsboro 20,558 1057.5
11 08810 40.37073 -74.49641 Dayton 8,241 576.8
12 08816 40.42943 -74.41602 East Brunswick 48,965 934.3
13 08817 40.51559 -74.3939 Edison 47,924 1743.1
14 08820 40.57725 -74.36599 Edison 39,392 1458.1
15 08824 40.42058 -74.5538 Kendall Park 13,866 1234.8
16 08828 40.37767 -74.42383 Helmetta 2,317 1080.0
17 08830 40.56964 -74.31719 Iselin 19,151 2338.6
18 08831 40.32908 -74.43066 Monroe Township 54,608 411.0
19 08832 40.51138 -74.31387 Keasbey 2,793 496.2
20 08837 40.51432 -74.34477 Edison 19,954 843.3
21 08840 40.54361 -74.35856 Metuchen 17,934 2158.7
22 08846 40.57439 -74.5011 Middlesex 14,518 1606.9
23 08850 40.44826 -74.43994 Milltown 8,442 1414.0
24 08852 40.38978 -74.54461 Monmouth Junction 17,333 502.1
25 08854 40.54648 -74.46342 Piscataway 60,405 1232.2
26 08857 40.39188 -74.33059 Old Bridge 40,409 648.8
27 08859 40.45897 -74.30401 Parlin 24,284 1971.5
28 08861 40.52087 -74.27397 Perth Amboy 58,264 4411.8
29 08863 40.53733 -74.31216 Fords 13,052 2943.7
30 08872 40.46482 -74.34002 Sayreville 20,040 817.8
31 08879 40.46532 -74.27691 South Amboy 23,263 1268.3
32 08882 40.44556 -74.37842 South River 16,007 2207.2
33 08884 40.39493 -74.39196 Spotswood 8,133 1359.2
34 08901 40.48426 -74.44275 New Brunswick 56,766 3497.5
35 08902 40.44236 -74.48579 North Brunswick 43,146 1264.9
36 08904 40.50057 -74.42832 Highland Park 14,981 3176.2


About Middlesex County ZIP Codes

Middlesex County in New Jersey (NJ) is served by approximately 36 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 871,399 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Middlesex County are located in cities such as Edison, Piscataway, Perth Amboy, New Brunswick, Monroe Township. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Middlesex County, New Jersey follow the America/New_York time zone.