Zip Code 94558
Napa, California — Napa County
📍 ZIP code 94558 is in Napa, Napa County, California.
ZIP code 94558 is located in Napa, Napa County, California. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 64,552. The area code for ZIP code 94558 is 408.
Quick Answer
Zip code 94558 is in Napa, California (Napa County). It has a population of 64,552, median household income of $109,444, and median home value of $855,600.
Population
64,552
Income
$109,444
Home Value
$855,600
Climate
95°F / 36°F
About Zip Code 94558
Zip code 94558 is located in Napa, California, within Napa County. Home to approximately 64,552 residents, this area sits at an elevation of 1639 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 408.
The median household income is $109,444 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $855,600, and the cost of living index is 234 (134% above the national average of 100).
Summers average a high of 95°F while winters drop to 36°F. The area receives about 28 in of rain annually. The zip code covers 356.1 square miles of land area and 30.5 square miles of water.
Key Statistics
64,552
$109,444
$855,600
Pacific (PST/PDT)
408
1639 ft
356.1 sq mi
44.5
27,402
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Compare With Nearby Zip Codes
| Metric | 94558 | 94599 | 95688 | 94574 | 95694 | 95442 |
|---|---|---|---|---|---|---|
| City | Napa, CA | Yountville, CA | Vacaville, CA | Saint Helena, CA | Winters, CA | Glen Ellen, CA |
| Population | 64,552 | 3,388 | 39,216 | 7,646 | 10,156 | 2,986 |
| Median Income | $109,444 | $79,696 | $115,791 | $139,779 | $107,415 | $131,696 |
| Home Value | $855,600 | $757,300 | $657,400 | $1,876,500 | $633,600 | $1,360,500 |
| Cost of Living | 234 | 186 | 199 | 250 | 172 | 250 |
| Median Age | 44.5 | 65.3 | 40 | 47.5 | 39.1 | 58.2 |
Cost of Living
100 = National Average. Napa's cost of living is 134% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
7.8x
Demographics
Zip code 94558 has a population of 64,552 people with a median age of 44.5. There are 27,402 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Napa (94558) population trend from 2010 to 2024
↓ -16.6%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
95°F
36°F
28 in
0 in
Napa experiences hot summers with average highs around 95°F. Winters are mild with lows averaging 36°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$855,600
Median Household Income
$109,444
With 27,402 housing units across 356.1 square miles, 94558 has a housing density of 77 units per square mile. The home price-to-income ratio is 7.8x.
Location & Geography
Latitude
38.4420°
Longitude
-122.2383°
Land Area
356.1 sq mi
Water Area
30.5 sq mi
Nearby Zip Codes
Zip codes closest to 94558 (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 94558's $109,444. 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 94558 (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 94558 along with 1 other zip codes.
What county is zip code 94558 in?
Zip code 94558 is located in Napa County, California.
What is the population of zip code 94558?
The population of zip code 94558 is 64,552 with a median age of 44.5.
Is 94558 in Napa, California?
Yes, zip code 94558 is in Napa, Napa County, California. The area code is 408.
Frequently Asked Questions
What city is zip code 94558 in?
Zip code 94558 is in Napa, California. It is part of Napa County and uses the Pacific (PST/PDT) timezone.
What is zip code 94558?
Zip code 94558 is a U.S. postal code in Napa, California (Napa County). It has a population of 64,552 and covers 356.1 square miles.
What is the population of zip code 94558?
The population of zip code 94558 (Napa, CA) is 64,552 with a median age of 44.5. There are approximately 27,402 housing units in this area.
What is the median income in zip code 94558?
The median household income in zip code 94558 (Napa, CA) is $109,444 per year. The cost of living index is 234 (100 = national average).
What is the average home price in zip code 94558?
The median home value in zip code 94558 (Napa, CA) is $855,600. The cost of living index is 234 compared to the national average of 100.
What county is zip code 94558 in?
Zip code 94558 is located in Napa County, California. The primary city is Napa.
What is the area code for zip code 94558?
Zip code 94558 in Napa, CA uses area code 408. It is located in the Pacific (PST/PDT) timezone.
Is zip code 94558 a good place to live?
Zip code 94558 (Napa, CA) has a cost of living index of 234 (100 = national average), a median household income of $109,444, and median home values of $855,600. The median age is 44.5. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 94558?
The cost of living index for zip code 94558 (Napa, CA) is 234, where 100 represents the national average. This area is above the national average. Median home value: $855,600.
What schools serve zip code 94558?
Zip code 94558 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.