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ZIP Code Database - Facts & Stats

Data Last Updated: December 1, 2021

ZIP Codes for City of Walnut, CA



Walnut, CA Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 91788P.O. BoxLos Angeles0909
ZIP Code 91789StandardLos Angeles43,079909


Timezone(s):Pacific (GMT -08:00)
Counties:LOS ANGELES, CA
 
Population:29,172 (More Details)
Male Population:14,302
Female Population:14,870
Median Age:43
 
ZIP Codes:2
Cities:1
Counties:1
Area Codes:1
 
Total Area:4,751 square miles (county)
Land Area:4,058 square miles (county)
Water Area:693 square miles (county)

Walnut, CA Demographic Information *

Total population29,172
Male population14,302
Female population14,870
Median age (years)43.1
White Population6,913
Black Population824
Indian Population69
Asian Population18,567
Hawaiian Population28
Hispanic Population5,575
Median age (Male)41.5
Median age (Female)44.4
Total households8,533
Family households (families)7,677
Average household size3.41
Average family size3.55
Total housing units8,753
* Demographic data is based on 2010 Census.


Walnut, CA Other Information

  • Located in LOS ANGELES County, California
  • Walnut, CA is also known as:
    • CITY INDUSTRY, CA
    • CITY OF INDUSTRY, CA
    • DIAMOND BAR, CA


162 Cities within 30 miles of Walnut, CA


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References

  1. U.S. Postal Service [Last Updated: 12/1/2021], https://www.usps.com
  2. ZIP-Codes.com Internal Data Creation [Last Updated: 12/1/2021], https://www.zip-codes.com
  3. U.S. Geological Survey [Updated as needed], https://www.usgs.gov/
  4. U.S. Census [Updated Yearly], https://www.census.gov
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010], https://www.census.gov