Angwin, California Zip Codes
📍 Angwin is in Napa County, California with 1 zip code; the most populous is 94508.
Angwin is a USPS city name in Napa County, California with a Census population of approximately 3,406 across its ZIP codes. Napa County as a whole has 11 ZIP codes in this directory. Below you'll find every zip code serving Angwin 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 Angwin Zip Codes
Angwin at a Glance
Angwin has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 3,406 residents, the largest being 94508 with 3,406 people.
The median ZIP in Angwin has a household income of $113,036 and a home value of $775,800, a price-to-income ratio of 6.9, in line with the 6.7 California ZIP median. Median rent across these ZIPs is $1,553 a month.
65% of households in the typical Angwin ZIP own their home (statewide ZIP median 64%). 56% of adults hold a bachelor's degree, far above the 31% statewide median. The median poverty rate is 12.0%, above the 10.8% statewide ZIP median. Overall density is about 213 residents per square mile across 16 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.
Angwin Zip Code Map
Interactive map of Angwin, California zip codes. Click any marker for details.