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
City
Population
07860Newton26,507
07871Sparta21,020
07461Sussex18,275
07843Hopatcong11,102
07419Hamburg9,927
07821Andover9,571
07874Stanhope8,534
07462Vernon6,712
07416Franklin5,736
07826Branchville5,529
07422Highland Lakes5,401
07848Lafayette4,425
07827Montague4,117
07460Stockholm3,131
07418Glenwood2,473
07439Ogdensburg2,215
07822Augusta947
07851Layton363
07881Wallpack Center8

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