There are 26 zip codes in Somerset County, New Jersey. The most populated is 8873, located in Somerset. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
887355,342Somerset
884443,077Hillsborough
880738,585Bridgewater
792028,460Basking Ridge
887622,531Somerville
705916,208Warren
880514,173Bound Brook
850211,603Belle Mead
883510,892Manville
88239,024Franklin Park
88698,301Raritan
79247,746Bernardsville
79217,573Bedminster
85587,515Skillman
70696,651Watchung
88535,349Neshanic Station
88804,838South Bound Brook
88364,023Martinsville
79313,399Far Hills
79341,575Gladstone
8553794Rocky Hill
7977689Peapack
8821514Flagtown
7939330Lyons
8528163Kingston
889074Zarephath
showing: 26 rows

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