ZIP code · Napa · California · United States
ZIP code 94559 — Napa
ZIP code 94559 serves Napa, California.
- Postal code
- 94559Single source Value from one source, not cross-checked.
- City
- Napa
- County
- Napa FIPS 06055
- State
- California
- Country
- United States
- Coordinates
- 38.2904, -122.2841 — precision precise (locality)
View on OpenStreetMap - Population
- 27,828 (ZCTA, ACS 5-year)
- Population density
- 673 / sq mi
- Land area
- 41.4 sq mi (107.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $100,559
- Per-capita income
- $53,941
- Median age
- 39.1
- Households
- 10,560
- Housing units
- 11,599
- Median home value
- $877,100
- Median gross rent
- $2,044 / month
- Congressional district
- CA-4 (119th Congress)
- USDA hardiness zone
- 9b (25 to 30 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Los_Angeles (UTC−8 / UTC−7 DST)
Tools: compare 94559 with another ZIP · ZIPs within 25 miles · distance from 94559
Map of ZIP code 94559
Climate — monthly normals
Warmest month Sep (avg high 84°F), coldest Dec (avg low 40°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 59 | 63 | 68 | 72 | 77 | 82 | 83 | 84 | 84 | 78 | 66 | 59 |
| Avg low °F | 40 | 42 | 44 | 46 | 50 | 54 | 56 | 56 | 53 | 49 | 44 | 40 |
| Precip in | 5.0 | 5.1 | 3.7 | 1.7 | 1.1 | 0.3 | 0.0 | 0.1 | 0.1 | 1.3 | 2.8 | 5.5 |
NOAA 1991–2020 climate normals from the nearest station: NAPA STATE HOSPITAL (1.4 mi) · NOAA NCEI
Places in ZIP 94559
- 13 schools
- 4 hospitals & clinics
- 1 doctors & dentists
- 4 pharmacies
- 4 supermarkets
- 80 restaurants & cafés
- 7 bars & pubs
- 25 parks
- 22 playgrounds
- 8 gyms & sports centres
- 3 libraries
- 1 post offices
- 19 places of worship
- 9 banks
- 8 gas stations
- 7 EV charging stations
- 6 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page