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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Diamond Bar, CA

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Counties:LOS ANGELES, CA
Area Code(s):909, 840
Timezone(s):Pacific (GMT -08:00)
City Population:55,544 (More Details)
CBSA:Los Angeles-Long Beach-Anaheim, CA
Congressional District(s):31, 35, 38
Land Area:4,058 square miles (county)
Water Area:693 square miles (county)

2 ZIP Codes

Diamond Bar, CA ZIP Code Boundaries

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Diamond Bar, CA Covers 2 ZIP Codes

ZIP CodeTypePopulation% of PopulationAliases
91765Standard46,45751.89%POMONA
91789Standard43,07948.11%CITY INDUSTRY, CITY OF INDUSTRY, DIAMOND BAR

Diamond Bar, CA Demographic Information *

Total population**55,544
Male population27,094
Female population28,450
Median age (years)41
White Population18,434
Black Population2,288
Indian Population178
Asian Population29,144
Hawaiian Population106
Hispanic Population11,138
Median age (Male)39.5
Median age (Female)42.3
Total households17,880
Family households (families)14,843
Average household size3.1
Average family size3.38
Total housing units18,455
* Demographic data is based on 2010 Census for the City of DIAMOND BAR.
** City and ZIP Code Population will not be equal due to differences in their geographies.


References

  1. U.S. Postal Service [Last Updated: 2/1/2023], https://www.usps.com
  2. ZIP-Codes.com Internal Data Creation [Last Updated: 2/1/2023], 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