San Bruno, California Zip Codes
📍 San Bruno is in San Mateo County, California with 4 zip codes; the most populous is 94066.
San Bruno is a USPS city name in San Mateo County, California with a Census population of approximately 43,369 across its ZIP codes. San Mateo County as a whole has 57 ZIP codes in this directory. Below you'll find every zip code serving San Bruno 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 Bruno Zip Codes
San Bruno at a Glance
San Bruno has 4 ZIP codes in this directory: 1 standard delivery ZIP and 3 PO Box or unique ZIPs that carry no resident population in Census data. The 1 ZIP with published Census housing data cover 43,369 residents, the largest being 94066 with 43,369 people.
The median ZIP in San Bruno has a household income of $131,669 and a home value of $1,187,600, a price-to-income ratio of 9.0, above the 6.7 California ZIP median. Median rent across these ZIPs is $2,671 a month.
63% of households in the typical San Bruno ZIP own their home (statewide ZIP median 64%). 44% of adults hold a bachelor's degree, above the 31% statewide median. The median poverty rate is 5.6%, below the 10.8% statewide ZIP median. Overall density is about 7,110 residents per square mile across 6 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 Bruno Zip Code Map
Interactive map of San Bruno, California zip codes. Click any marker for details.