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Zip Code 07203 — Roselle, NJ

07203 is a ZIP Code associated with Roselle, NJ, located within Union. 07203 ranks #13 out of 26 ZIP codes in Union County by population (and #151 out of 598 in NJ). The area supports an estimated population of 22,646 residents across Data Pending housing units, with a population density of 3,317.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.652690, -74.259900)

Data MetricLocal Statistic
Postal / Zip Code07203
Primary CityRoselle
State / ProvinceNJ
CountyUnion
Total Population22,646
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density3,317.7 people/sq mi
TimezoneAmerica/New_York

How 07203 Compares

MetricZIP 07203Union CountyNJ State Average
Population22,646602,051 (Total)9,343,809 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density3,317.7 /sq mi----
County Pop Rank#13 of 26----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 07204Roselle Park0.9 mi14,093N/A
Zip 07036Linden2.2 mi45,671N/A
Zip 07202Elizabeth2.3 mi44,968N/A
Zip 07016Cranford2.3 mi24,074N/A
Zip 07033Kenilworth2.3 mi8,401N/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 →