Zip Code 07023 — Fanwood, NJ

ZIP Code 07023 is associated with Fanwood, NJ, in Union County. The listed population estimate is 7,799; estimated density is 2,247.8 people per square mile. Among records with population estimates, it ranks #23 of 26 in Union County and #357 of 595 in NJ.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.641710, -74.385750)

Data MetricLocal Statistic
Postal / Zip Code07023
Primary CityFanwood
State / ProvinceNJ
CountyUnion
Total Population7,799
Population Density2,247.8 people/sq mi
TimezoneAmerica/New_York

How 07023 Compares

MetricZIP 07023Union County recordsNJ records
Population estimate7,799602,051 (sum)9,343,809 (sum)
Population Density2,247.8 /sq mi----
County population rank#23 of 26----
State population rank#357 of 595----

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

Explore More ZIP Codes

Nearby ZIP Codes in NJ

ZIP CodeCityDistancePopulation estimate
ZIP 07076Scotch Plains0.9 mi24,843
ZIP 07062Plainfield1.2 mi15,399
ZIP 07090Westfield2.3 mi31,111
ZIP 07060Plainfield2.6 mi48,363
ZIP 07069Watchung2.8 mi6,623

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 →