Union County NJ Map
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Union County Facts
Union County has some fantastic history! Below are some quick facts about the county. The last entry is an events page which includes fun things to do throughout the year.
- YEAR FORMED: 1857
- COUNTY SEAT: Elizabeth
- TOTAL AREA: 105 Sq Miles
- POPULATION: 539,494
- Union County Events
Union County Area Codes
All area codes | 201 | 732 | 848 | 908 | 973 |
Union County Zip Codes
07016, 07023, 07027, 07033, 07036, 07060, 07061, 07062, 07063, 07065, 07066, 07076, 07081, 07083, 07088, 07090, 07091, 07092, 07091, 07092, 07201, 07202, 07203, 07204, 07205, 07206, 07207, 07208, 07901, 07902, 07922, 07974