Guatay, California Zip Codes
📍 Guatay is in San Diego County, California with 1 zip code; the most populous is 91931.
Guatay is a USPS city name in San Diego County, California with a Census population of approximately 749 across its ZIP codes. San Diego County as a whole has 191 ZIP codes in this directory. Below you'll find every zip code serving Guatay with population, income and home value, a map, and the city's affordability profile.
Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).
All Guatay Zip Codes
Guatay at a Glance
Guatay has 1 ZIP code in this directory: 1 standard delivery ZIP.
Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 California ZIP Code Affordability Report.
Guatay Zip Code Map
Interactive map of Guatay, California zip codes. Click any marker for details.