Napa, California Zip Codes
📍 Napa is in Napa County, California with 3 zip codes; the most populous is 94558.
Napa is a USPS city name in Napa County, California with a Census population of approximately 93,308 across its ZIP codes. Napa County as a whole has 11 ZIP codes in this directory. Below you'll find every zip code serving Napa 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 Napa Zip Codes
Napa at a Glance
Napa has 3 ZIP codes in this directory: 2 standard delivery ZIPs and 1 PO Box or unique ZIP that carries no resident population in Census data. The 2 ZIPs with published Census housing data cover 93,308 residents, the largest being 94558 with 65,084 people.
The median ZIP in Napa has a household income of $102,498 and a home value of $803,600, a price-to-income ratio of 7.9, above the 6.7 California ZIP median. The highest median income is in 94558 at $110,397. Median rent across these ZIPs is $2,051 a month.
59% of households in the typical Napa 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 8.1%, below the 10.8% statewide ZIP median. Overall density is about 211 residents per square mile across 441 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.
Napa Zip Code Map
Interactive map of Napa, California zip codes. Click any marker for details.