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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Guatay, CA

Guatay, CA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 91931P.O. BoxSan Diego592619 / 858

Timezone(s):Pacific (GMT -08:00)
Counties:SAN DIEGO, CA
Population:592 (More Details)
Male Population:305
Female Population:287
Median Age:44
ZIP Codes:1
Area Codes:2
Total Area:4,526 square miles (county)
Land Area:4,207 square miles (county)
Water Area:319 square miles (county)

Guatay, CA Demographic Information *

There is no Census data for the city of GUATAY, CA. We have pulled information for the ZIP Code 91931 instead.
Total population592
Male population305
Female population287
Median age (years)43.7
White Population517
Black Population0
Indian Population8
Asian Population3
Hawaiian Population0
Hispanic Population125
Median age (Male)43.8
Median age (Female)43.6
Total households248
Family households (families)138
Average household size2.39
Average family size3.2
Total housing units288
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  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],