There are 19 zip codes in Sussex County, New Jersey. The most populated is 7860, located in Newton. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
0786026,507Newton
0787121,020Sparta
0746118,275Sussex
0784311,102Hopatcong
074199,927Hamburg
078219,571Andover
078748,534Stanhope
074626,712Vernon
074165,736Franklin
078265,529Branchville
074225,401Highland Lakes
078484,425Lafayette
078274,117Montague
074603,131Stockholm
074182,473Glenwood
074392,215Ogdensburg
07822947Augusta
07851363Layton
078818Wallpack Center
showing: 19 rows

Zip Codes in Sussex County, New Jersey by Population (2024)