Home > CA > San Diego County > Guatay > Zip 91931

Zip Code 91931 — Guatay, CA

91931 is a ZIP Code associated with Guatay, CA, located within San Diego. The postal region supports an estimated population of 494 residents across Data Pending housing units, with a population density of 23.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (32.837580, -116.580290)

Data MetricLocal Statistic
Postal / Zip Code91931
Primary CityGuatay
State / ProvinceCA
CountySan Diego
Total Population494
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density23.2 people/sq mi
TimezoneAmerica/Los_Angeles

How 91931 Compares

MetricZIP 91931San Diego CountyCA State Average
Population4943,322,51239,286,245
Median IncomeData PendingN/AN/A
Population Density23.2 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 91916Descanso5.9 mi1,710N/A
Zip 91962Pine Valley6.6 mi2,574N/A
Zip 91948Mount Laguna6.9 mi93N/A
Zip 91901Alpine8.2 mi18,197N/A
Zip 91963Potrero13.1 mi689N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →