Home > NJ > Warren County > Belvidere > Zip 07823

Zip Code 07823 — Belvidere, NJ

07823 is a ZIP Code associated with Belvidere, NJ, located within Warren. 07823 ranks #5 out of 16 ZIP codes in Warren County by population (and #369 out of 598 in NJ). The area supports an estimated population of 7,451 residents across Data Pending housing units, with a population density of 114.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.825890, -75.037810)

Data MetricLocal Statistic
Postal / Zip Code07823
Primary CityBelvidere
State / ProvinceNJ
CountyWarren
Total Population7,451
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density114.7 people/sq mi
TimezoneAmerica/New_York

How 07823 Compares

MetricZIP 07823Warren CountyNJ State Average
Population7,451116,142 (Total)9,343,809 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density114.7 /sq mi----
County Pop Rank#5 of 16----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 07863Oxford3.8 mi3,819N/A
Zip 07833Delaware5.0 mi70N/A
Zip 07882Washington5.3 mi15,115N/A
Zip 07844Hope6.7 mi111N/A
Zip 07831Changewater7.7 mi36N/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 →