Arnold, California Zip Codes
📍 Arnold is in Alpine County, California with 1 zip code; the most populous is 95223.
Arnold is a USPS city name in Alpine County, California with a Census population of approximately 2,470 across its ZIP codes. Alpine County as a whole has 3 ZIP codes in this directory. Below you'll find every zip code serving Arnold 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 Arnold Zip Codes
Arnold at a Glance
Arnold has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 2,470 residents, the largest being 95223 with 2,470 people.
The median ZIP in Arnold has a household income of $97,574 and a home value of $407,600, a price-to-income ratio of 4.2, below the 6.7 California ZIP median. Median rent across these ZIPs is $1,115 a month.
88% of households in the typical Arnold 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 6.1%, below the 10.8% statewide ZIP median. Overall density is about 6 residents per square mile across 427 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.
Arnold Zip Code Map
Interactive map of Arnold, California zip codes. Click any marker for details.