San Leandro, California Zip Codes
📍 San Leandro is in Alameda County, California with 3 zip codes; the most populous is 94577.
San Leandro is a USPS city name in Alameda County, California with a Census population of approximately 110,559 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 Leandro 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 Leandro Zip Codes
San Leandro at a Glance
San Leandro has 3 ZIP codes in this directory: 3 standard delivery ZIPs. The 3 ZIPs with published Census housing data cover 110,559 residents, the largest being 94577 with 47,937 people.
The median ZIP in San Leandro has a household income of $95,398 and a home value of $780,100, a price-to-income ratio of 8.2, above the 6.7 California ZIP median. The highest median income is in 94577 at $106,695. Median rent across these ZIPs is $2,046 a month.
57% of households in the typical San Leandro ZIP own their home (statewide ZIP median 64%). 29% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 8.6%, below the 10.8% statewide ZIP median. Overall density is about 6,997 residents per square mile across 16 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 Leandro Zip Code Map
Interactive map of San Leandro, California zip codes. Click any marker for details.