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 Code	Type	Population	% of Population	Aliases
91765	Standard	46,457	51.89%	POMONA
91789	Standard	43,079	48.11%	CITY INDUSTRY, CITY OF INDUSTRY, DIAMOND BAR

Diamond Bar, CA Demographic Information *

Total population**	55,544
Male population	27,094
Female population	28,450
Median age (years)	41
White Population	18,434
Black Population	2,288
Indian Population	178
Asian Population	29,144
Hawaiian Population	106
Hispanic Population	11,138
Median age (Male)	39.5
Median age (Female)	42.3
Total households	17,880
Family households (families)	14,843
Average household size	3.1
Average family size	3.38
Total housing units	18,455

* 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

U.S. Postal Service [Last Updated: 2/1/2023], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 2/1/2023], https://www.zip-codes.com
U.S. Geological Survey [Updated as needed], https://www.usgs.gov/
U.S. Census [Updated Yearly], https://www.census.gov
U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010], https://www.census.gov