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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Twin Peaks, CA

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Area Code(s):909, 442, 760, 840
Timezone(s):Pacific (GMT -08:00)
City Population:2,534 (More Details)
CBSA:Riverside-San Bernardino-Ontario, CA
Congressional District(s):23
Land Area:20,057 square miles (county)
Water Area:48 square miles (county)

1 ZIP Code

Twin Peaks, CA ZIP Code Boundaries

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Twin Peaks, CA Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases
92391P.O. Box2,534100.00%

Twin Peaks, CA Demographic Information *

There is no Census data for the city of TWIN PEAKS, CA. We have pulled information for the ZIP Code 92391 instead.
Total population**2,534
Male population1,317
Female population1,217
Median age (years)35.8
White Population2,114
Black Population17
Indian Population37
Asian Population29
Hawaiian Population4
Hispanic Population757
Median age (Male)33.8
Median age (Female)37.4
Total households910
Family households (families)621
Average household size2.77
Average family size3.36
Total housing units1,674
* Demographic data is based on 2010 Census for the City of TWIN PEAKS.
** City and ZIP Code Population will not be equal due to differences in their geographies.


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  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],