Zip Code 94559 — Napa, CA

ZIP Code 94559 is associated with Napa, CA, in Napa County. The listed population estimate is 27,714; estimated density is 258.7 people per square mile. Among records with population estimates, it ranks #2 of 9 in Napa County and #655 of 1,762 in CA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.252380, -122.293820)

Data MetricLocal Statistic
Postal / Zip Code94559
Primary CityNapa
State / ProvinceCA
CountyNapa
Total Population27,714
Population Density258.7 people/sq mi
TimezoneAmerica/Los_Angeles

How 94559 Compares

MetricZIP 94559Napa County recordsCA records
Population estimate27,714128,367 (sum)39,286,245 (sum)
Population Density258.7 /sq mi----
County population rank#2 of 9----
State population rank#655 of 1,762----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in CA

ZIP CodeCityDistancePopulation estimate
ZIP 94503American Canyon5.3 mi21,841
ZIP 94589Vallejo8.1 mi29,990
ZIP 95476Sonoma9.0 mi35,196
ZIP 94592Vallejo9.2 mi1,049
ZIP 94534Fairfield9.4 mi41,203

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →