There are 26 zip codes in Union County, New Jersey. The most populated is 7083, located in Union. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | Population | City |
|---|---|---|
| 07083 | 56,900 | Union |
| 07060 | 47,883 | Plainfield |
| 07036 | 44,996 | Linden |
| 07202 | 44,673 | Elizabeth |
| 07208 | 32,632 | Elizabeth |
| 07090 | 30,852 | Westfield |
| 07206 | 30,364 | Elizabethport |
| 07065 | 29,664 | Rahway |
| 07201 | 27,996 | Elizabeth |
| 07076 | 24,727 | Scotch Plains |
| 07901 | 24,281 | Summit |
| 07016 | 23,838 | Cranford |
| 07203 | 22,500 | Roselle |
| 07205 | 22,262 | Hillside |
| 07081 | 17,011 | Springfield |
| 07066 | 15,415 | Clark |
| 07063 | 14,849 | Plainfield |
| 07062 | 14,253 | Plainfield |
| 07204 | 13,964 | Roselle Park |
| 07974 | 12,911 | New Providence |
| 07922 | 12,078 | Berkeley Heights |
| 07033 | 8,345 | Kenilworth |
| 07023 | 7,723 | Fanwood |
| 07092 | 6,991 | Mountainside |
| 07027 | 4,542 | Garwood |
| 07088 | 3,056 | Vauxhall |