San Martin, California Zip Codes
📍 San Martin is in Santa Clara County, California with 1 zip code; the most populous is 95046.
San Martin is a USPS city name in Santa Clara County, California with a Census population of approximately 5,801 across its ZIP codes. Santa Clara County as a whole has 115 ZIP codes in this directory. Below you'll find every zip code serving San Martin 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 Martin Zip Codes
San Martin at a Glance
San Martin has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 5,801 residents, the largest being 95046 with 5,801 people.
The median ZIP in San Martin has a household income of $148,000 and a home value of $1,317,400, a price-to-income ratio of 8.9, above the 6.7 California ZIP median. Median rent across these ZIPs is $2,154 a month.
73% of households in the typical San Martin ZIP own their home (statewide ZIP median 64%). 31% of adults hold a bachelor's degree, in line with the 31% statewide median. The median poverty rate is 7.9%, below the 10.8% statewide ZIP median. Overall density is about 309 residents per square mile across 19 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 Martin Zip Code Map
Interactive map of San Martin, California zip codes. Click any marker for details.