American Canyon, California Zip Codes
📍 American Canyon is in Napa County, California with 1 zip code; the most populous is 94503.
American Canyon is a USPS city name in Napa County, California with a Census population of approximately 21,791 across its ZIP codes. Napa County as a whole has 11 ZIP codes in this directory. Below you'll find every zip code serving American Canyon 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 American Canyon Zip Codes
American Canyon at a Glance
American Canyon has 1 ZIP code in this directory: 1 standard delivery ZIP. The 1 ZIP with published Census housing data cover 21,791 residents, the largest being 94503 with 21,791 people.
The median ZIP in American Canyon has a household income of $122,500 and a home value of $641,200, a price-to-income ratio of 5.2, below the 6.7 California ZIP median. Median rent across these ZIPs is $2,296 a month.
79% of households in the typical American Canyon ZIP own their home (statewide ZIP median 64%). 34% of adults hold a bachelor's degree, above the 31% statewide median. The median poverty rate is 7.6%, below the 10.8% statewide ZIP median. Overall density is about 807 residents per square mile across 27 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.
American Canyon Zip Code Map
Interactive map of American Canyon, California zip codes. Click any marker for details.