Home > NJ > Somerset County > Skillman > Zip 08558

Zip Code 08558 — Skillman, NJ

08558 is a ZIP Code associated with Skillman, NJ, located within Somerset. 08558 ranks #15 out of 27 ZIP codes in Somerset County by population (and #364 out of 598 in NJ). The area supports an estimated population of 7,648 residents across Data Pending housing units, with a population density of 189.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.413820, -74.702360)

Data MetricLocal Statistic
Postal / Zip Code08558
Primary CitySkillman
State / ProvinceNJ
CountySomerset
Total Population7,648
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density189.4 people/sq mi
TimezoneAmerica/New_York

How 08558 Compares

MetricZIP 08558Somerset CountyNJ State Average
Population7,648328,603 (Total)9,343,809 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density189.4 /sq mi----
County Pop Rank#15 of 27----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 08502Belle Mead3.3 mi11,849N/A
Zip 08553Rocky Hill3.4 mi819N/A
Zip 08540Princeton4.2 mi50,388N/A
Zip 08525Hopewell4.4 mi4,522N/A
Zip 08542Princeton4.6 mi2,533N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →