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ZIP Code Database - Facts & Stats

Data Last Updated: December 1, 2021

ZIP Codes for City of Westfield, NJ

Westfield, NJ Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 07090StandardUnion30,338908
ZIP Code 07091P.O. BoxUnion0908

Timezone(s):Eastern (GMT -05:00)
Counties:UNION, NJ
Population:30,316 (More Details)
Male Population:14,584
Female Population:15,732
Median Age:41
ZIP Codes:2
Area Codes:1
Total Area:105 square miles (county)
Land Area:103 square miles (county)
Water Area:3 square miles (county)

Westfield, NJ Demographic Information *

Total population30,316
Male population14,584
Female population15,732
Median age (years)41
White Population26,729
Black Population984
Indian Population36
Asian Population1,718
Hawaiian Population10
Hispanic Population1,492
Median age (Male)39.8
Median age (Female)42.1
Total households10,566
Family households (families)8,200
Average household size2.85
Average family size3.31
Total housing units10,950
* Demographic data is based on 2010 Census.

Westfield, NJ Other Information

416 Cities within 30 miles of Westfield, NJ Products


  1. U.S. Postal Service [Last Updated: 12/1/2021],
  2. Internal Data Creation [Last Updated: 12/1/2021],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],