Data Last Updated: May 1, 2023

ZIP Codes for City of Diablo, CA


    
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Counties:	CONTRA COSTA, CA
Area Code(s):	925
Timezone(s):	Pacific (GMT -08:00)
City Population:	1,158 (More Details)
CBSA:	San Francisco-Oakland-Berkeley, CA
Congressional District(s):	10
Land Area:	723 square miles (county)
Water Area:	81 square miles (county)

1 ZIP Code

Diablo, CA ZIP Code Boundaries

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Diablo, CA Covers 1 ZIP Code

ZIP Code	Type	Population	% of Population	Aliases
94528	P.O. Box	964	100.00%

Diablo, CA Demographic Information *

Total population**	1,158
Male population	564
Female population	594
Median age (years)	49.3
White Population	1,065
Black Population	1
Indian Population	2
Asian Population	55
Hawaiian Population	0
Hispanic Population	39
Median age (Male)	50.1
Median age (Female)	48.3
Total households	412
Family households (families)	343
Average household size	2.67
Average family size	2.96
Total housing units	439

* Demographic data is based on 2010 Census for the City of DIABLO.
** 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