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Zip Code 07205 — Hillside, NJ

07205 is a ZIP Code associated with Hillside, NJ, located within Union. 07205 ranks #14 out of 26 ZIP codes in Union County by population (and #153 out of 598 in NJ). The area supports an estimated population of 22,349 residents across Data Pending housing units, with a population density of 3,120.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.696120, -74.228570)

Data MetricLocal Statistic
Postal / Zip Code07205
Primary CityHillside
State / ProvinceNJ
CountyUnion
Total Population22,349
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density3,120.2 people/sq mi
TimezoneAmerica/New_York

How 07205 Compares

MetricZIP 07205Union CountyNJ State Average
Population22,349602,051 (Total)9,343,809 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density3,120.2 /sq mi----
County Pop Rank#14 of 26----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 07112Newark1.4 mi29,456N/A
Zip 07208Elizabeth1.5 mi31,937N/A
Zip 07111Irvington2.0 mi60,867N/A
Zip 07083Union2.1 mi58,170N/A
Zip 07108Newark2.4 mi28,790N/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 →