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Zip Code 08720 — Allenwood, NJ

08720 is a ZIP Code associated with Allenwood, NJ, located within Monmouth. 08720 ranks #48 out of 49 ZIP codes in Monmouth County by population (and #542 out of 598 in NJ). The area supports an estimated population of 735 residents across Data Pending housing units, with a population density of 107.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.140730, -74.114310)

Data MetricLocal Statistic
Postal / Zip Code08720
Primary CityAllenwood
State / ProvinceNJ
CountyMonmouth
Total Population735
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density107.6 people/sq mi
TimezoneAmerica/New_York

How 08720 Compares

MetricZIP 08720Monmouth CountyNJ State Average
Population735628,975 (Total)9,343,809 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density107.6 /sq mi----
County Pop Rank#48 of 49----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 08736Manasquan2.8 mi13,223N/A
Zip 07719Belmar2.9 mi22,138N/A
Zip 08724Brick3.5 mi42,345N/A
Zip 08730Brielle3.6 mi4,956N/A
Zip 08750Sea Girt3.7 mi3,483N/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 →