Alpine County, California Zip Codes
📍 Alpine County has 3 zip codes with a population of 3,928.
Alpine County is located in California with a land area of 707 square miles. The county seat is Arnold. Below you'll find all 3 zip codes in Alpine County with population, income and home value, the county's affordability profile, and links to its 3 city pages.
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 Alpine County Zip Codes
Alpine County at a Glance
Alpine County has 3 ZIP codes in this directory: 3 standard delivery ZIPs. The 3 ZIPs with published Census housing data cover 3,928 residents, the largest being 95223 (Arnold) with 2,470 people.
The median ZIP in Alpine County has a household income of $97,574 and a home value of $465,900, a price-to-income ratio of 4.2, below the 6.7 California ZIP median. The highest median income is in 95646 (Kirkwood) at $138,295. Median rent across these ZIPs is $991 a month.
88% of households in the typical Alpine County 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 11.6%, above the 10.8% statewide ZIP median. Overall density is about 6 residents per square mile across 707 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.
Alpine County Zip Code Map
Interactive map of Alpine County, California zip codes.