Mount Hamilton, California Zip Codes
📍 Mount Hamilton is in Santa Clara County, California with 1 zip code; the most populous is 95140.
Mount Hamilton is a USPS city name in Santa Clara County, California with a Census population of approximately 91 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 Mount Hamilton 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 Mount Hamilton Zip Codes
Mount Hamilton at a Glance
Mount Hamilton has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 91 residents, the largest being 95140 with 91 people.
The median ZIP in Mount Hamilton has a household income of $152,750 and a home value of $1,466,700, a price-to-income ratio of 9.6, above the 6.7 California ZIP median.
84% of households in the typical Mount Hamilton ZIP own their home (statewide ZIP median 64%). 70% of adults hold a bachelor's degree, far above the 31% statewide median. The median poverty rate is 6.6%, below the 10.8% statewide ZIP median. Overall density is about 1 residents per square mile across 77 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.
Mount Hamilton Zip Code Map
Interactive map of Mount Hamilton, California zip codes. Click any marker for details.