Potrero, California Zip Codes
📍 Potrero is in San Diego County, California with 2 zip codes; the most populous is 91963.
Potrero is a USPS city name in San Diego County, California with a Census population of approximately 624 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 Potrero 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 Potrero Zip Codes
Potrero at a Glance
Potrero has 2 ZIP codes in this directory: 1 standard delivery ZIP and 1 PO Box or unique ZIP that carries no resident population in Census data.
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.
Potrero Zip Code Map
Interactive map of Potrero, California zip codes. Click any marker for details.