Home > NJ > Middlesex County > Iselin > Zip 08830

Zip Code 08830 — Iselin, NJ

ZIP Code 08830 is associated with Iselin, NJ, in Middlesex County. The listed population estimate is 19,551; estimated density is 2,387.4 people per square mile. Among records with population estimates, it ranks #18 of 36 in Middlesex County and #177 of 595 in NJ.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.569640, -74.317190)

Data MetricLocal Statistic
Postal / Zip Code08830
Primary CityIselin
State / ProvinceNJ
CountyMiddlesex
Total Population19,551
Population Density2,387.4 people/sq mi
TimezoneAmerica/New_York

How 08830 Compares

MetricZIP 08830Middlesex County recordsNJ records
Population estimate19,551881,625 (sum)9,343,809 (sum)
Population Density2,387.4 /sq mi----
County population rank#18 of 36----
State population rank#177 of 595----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

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Nearby ZIP Codes in NJ

ZIP CodeCityDistancePopulation estimate
ZIP 07067Colonia1.6 mi18,587
ZIP 07095Woodbridge1.9 mi20,756
ZIP 08863Fords2.2 mi12,771
ZIP 08820Edison2.6 mi39,978
ZIP 07001Avenel2.7 mi17,121

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 →