San Lorenzo, California Zip Codes
📍 San Lorenzo is in Alameda County, California with 1 zip code; the most populous is 94580.
San Lorenzo is a USPS city name in Alameda County, California with a Census population of approximately 29,377 across its ZIP codes. Alameda County as a whole has 73 ZIP codes in this directory. Below you'll find every zip code serving San Lorenzo 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 Lorenzo Zip Codes
San Lorenzo at a Glance
San Lorenzo has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 29,377 residents, the largest being 94580 with 29,377 people.
The median ZIP in San Lorenzo has a household income of $103,364 and a home value of $787,100, a price-to-income ratio of 7.6, above the 6.7 California ZIP median. Median rent across these ZIPs is $2,114 a month.
75% of households in the typical San Lorenzo ZIP own their home (statewide ZIP median 64%). 27% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 6.6%, below the 10.8% statewide ZIP median. Overall density is about 8,902 residents per square mile across 3 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 Lorenzo Zip Code Map
Interactive map of San Lorenzo, California zip codes. Click any marker for details.