Zip Code 94559
Napa, California — Napa County
📍 ZIP code 94559 is in Napa, Napa County, California.
ZIP code 94559 is located in Napa, Napa County, California. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 27,828. The area code for ZIP code 94559 is 408.
Quick Answer
Zip code 94559 is in Napa, California (Napa County). It has a population of 27,828, median household income of $100,559, and median home value of $877,100.
Population
27,828
Income
$100,559
Home Value
$877,100
Climate
79°F / 38°F
About Zip Code 94559
Zip code 94559 is located in Napa, California, within Napa County. Home to approximately 27,828 residents, this area sits at an elevation of 10 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 408.
The median household income is $100,559 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $877,100, and the cost of living index is 220 (120% above the national average of 100).
Summers average a high of 79°F while winters drop to 38°F. The area receives about 20 in of rain annually. The zip code covers 36.6 square miles of land area and 2.3 square miles of water.
Key Statistics
27,828
$100,559
$877,100
Pacific (PST/PDT)
408
10 ft
36.6 sq mi
39.1
11,599
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Compare With Nearby Zip Codes
| Metric | 94559 | 94589 | 95476 | 94590 | 94591 | 94592 |
|---|---|---|---|---|---|---|
| City | Napa, CA | Vallejo, CA | Sonoma, CA | Vallejo, CA | Vallejo, CA | Vallejo, CA |
| Population | 27,828 | 30,199 | 35,139 | 37,401 | 58,516 | 922 |
| Median Income | $100,559 | $91,313 | $108,322 | $66,957 | $107,849 | $122,625 |
| Home Value | $877,100 | $478,800 | $882,300 | $510,700 | $602,200 | $681,300 |
| Cost of Living | 220 | 142 | 235 | 135 | 179 | 224 |
| Median Age | 39.1 | 39.7 | 52.5 | 39.3 | 40.9 | 42.5 |
Cost of Living
100 = National Average. Napa's cost of living is 120% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
8.7x
Demographics
Zip code 94559 has a population of 27,828 people with a median age of 39.1. There are 11,599 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Napa (94559) population trend from 2010 to 2024
↑ 68.6%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
79°F
38°F
20 in
0 in
Napa experiences mild summers with average highs around 79°F. Winters are mild with lows averaging 38°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$877,100
Median Household Income
$100,559
With 11,599 housing units across 36.6 square miles, 94559 has a housing density of 317 units per square mile. The home price-to-income ratio is 8.7x.
Location & Geography
Latitude
38.2302°
Longitude
-122.3099°
Land Area
36.6 sq mi
Water Area
2.3 sq mi
Nearby Zip Codes
Zip codes closest to 94559 (Napa, CA) with distances:
All Zip Codes in Napa, CA
Other zip codes serving Napa:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 94559's $100,559. A way to compare Napa to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 94559 (Napa, CA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Napa, California?
Napa, California uses zip code 94559 along with 1 other zip codes.
What county is zip code 94559 in?
Zip code 94559 is located in Napa County, California.
What is the population of zip code 94559?
The population of zip code 94559 is 27,828 with a median age of 39.1.
Is 94559 in Napa, California?
Yes, zip code 94559 is in Napa, Napa County, California. The area code is 408.
Frequently Asked Questions
What city is zip code 94559 in?
Zip code 94559 is in Napa, California. It is part of Napa County and uses the Pacific (PST/PDT) timezone.
What is zip code 94559?
Zip code 94559 is a U.S. postal code in Napa, California (Napa County). It has a population of 27,828 and covers 36.6 square miles.
What is the population of zip code 94559?
The population of zip code 94559 (Napa, CA) is 27,828 with a median age of 39.1. There are approximately 11,599 housing units in this area.
What is the median income in zip code 94559?
The median household income in zip code 94559 (Napa, CA) is $100,559 per year. The cost of living index is 220 (100 = national average).
What is the average home price in zip code 94559?
The median home value in zip code 94559 (Napa, CA) is $877,100. The cost of living index is 220 compared to the national average of 100.
What county is zip code 94559 in?
Zip code 94559 is located in Napa County, California. The primary city is Napa.
What is the area code for zip code 94559?
Zip code 94559 in Napa, CA uses area code 408. It is located in the Pacific (PST/PDT) timezone.
Is zip code 94559 a good place to live?
Zip code 94559 (Napa, CA) has a cost of living index of 220 (100 = national average), a median household income of $100,559, and median home values of $877,100. The median age is 39.1. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 94559?
The cost of living index for zip code 94559 (Napa, CA) is 220, where 100 represents the national average. This area is above the national average. Median home value: $877,100.
What schools serve zip code 94559?
Zip code 94559 in Napa, California is served by the local school district of Napa County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.