Alta, California Zip Codes
📍 Alta is in Placer County, California with 1 zip code; the most populous is 95701.
Alta is a USPS city name in Placer County, California with a Census population of approximately 1,045 across its ZIP codes. Placer County as a whole has 30 ZIP codes in this directory. Below you'll find every zip code serving Alta 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 Alta Zip Codes
Alta at a Glance
Alta has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 1,045 residents, the largest being 95701 with 1,045 people.
The median ZIP in Alta has a household income of $91,875 and a home value of $506,900, a price-to-income ratio of 5.5, below the 6.7 California ZIP median.
94% of households in the typical Alta ZIP own their home (statewide ZIP median 64%). 36% of adults hold a bachelor's degree, above the 31% statewide median. The median poverty rate is 7.4%, below the 10.8% statewide ZIP median. Overall density is about 33 residents per square mile across 32 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.
Alta Zip Code Map
Interactive map of Alta, California zip codes. Click any marker for details.