San Joaquin, California Zip Codes
📍 San Joaquin is in Fresno County, California with 1 zip code; the most populous is 93660.
San Joaquin is a USPS city name in Fresno County, California with a Census population of approximately 3,921 across its ZIP codes. Fresno County as a whole has 98 ZIP codes in this directory. Below you'll find every zip code serving San Joaquin 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 San Joaquin Zip Codes
San Joaquin at a Glance
San Joaquin has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 3,921 residents, the largest being 93660 with 3,921 people.
The median ZIP in San Joaquin has a household income of $53,085 and a home value of $254,300, a price-to-income ratio of 4.8, below the 6.7 California ZIP median. Median rent across these ZIPs is $988 a month.
43% of households in the typical San Joaquin ZIP own their home (statewide ZIP median 64%). 2% of adults hold a bachelor's degree, far below the 31% statewide median. The median poverty rate is 31.6%, far above the 10.8% statewide ZIP median. Overall density is about 80 residents per square mile across 49 square miles of ZIP land area.
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.
San Joaquin Zip Code Map
Interactive map of San Joaquin, California zip codes. Click any marker for details.