Zip Code | City | Population |
|---|---|---|
| 07083 | Union | 56,900 |
| 07060 | Plainfield | 47,883 |
| 07036 | Linden | 44,996 |
| 07202 | Elizabeth | 44,673 |
| 07208 | Elizabeth | 32,632 |
| 07090 | Westfield | 30,852 |
| 07206 | Elizabethport | 30,364 |
| 07065 | Rahway | 29,664 |
| 07201 | Elizabeth | 27,996 |
| 07076 | Scotch Plains | 24,727 |
| 07901 | Summit | 24,281 |
| 07016 | Cranford | 23,838 |
| 07203 | Roselle | 22,500 |
| 07205 | Hillside | 22,262 |
| 07081 | Springfield | 17,011 |
| 07066 | Clark | 15,415 |
| 07063 | Plainfield | 14,849 |
| 07062 | Plainfield | 14,253 |
| 07204 | Roselle Park | 13,964 |
| 07974 | New Providence | 12,911 |
| 07922 | Berkeley Heights | 12,078 |
| 07033 | Kenilworth | 8,345 |
| 07023 | Fanwood | 7,723 |
| 07092 | Mountainside | 6,991 |
| 07027 | Garwood | 4,542 |
| 07088 | Vauxhall | 3,056 |