Postal Codes

94558 ZIP Code

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ZIP code 94558 covers Napa, California, with a population of about 64,552 and a median household income of $109,444.

Population
64,552161 per square mile
Median age
44.55.8 points above the US average
Median household income
$109,4441.1× the California median
Poverty rate
8.5%3.9 points below the US average
Typical home value
$902,500up 6.1% in five years
Median rent
$2,2481.1× the California median
Degree or higher
38.3%3.3 points above the US average
Homeownership
67.3%2.3 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
1,877

Where 94558 is

Napa, California — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population64,552
Median age44.5
Family households67.6%
Born outside the US20.7%
Speaks a language other than English at home32.3%
White (non-Hispanic)54.2%
Black (non-Hispanic)1%
Asian (non-Hispanic)2.8%
Hispanic or Latino37.4%
Veterans6.3%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$109,444
Income per person$57,993
Poverty rate8.5%
Households on SNAP or cash assistance5.4%

Household income distribution

Under $10k3.8%
$10–15k2.6%
$15–20k2.2%
$20–25k1.9%
$25–30k2.4%
$30–35k2.2%
$35–40k2.4%
$40–45k2.5%
$45–50k2.0%
$50–60k5.0%
$60–75k6.6%
$75–100k12.1%
$100–125k10.1%
$125–150k8.5%
$150–200k13.1%
$200k or more22.4%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed31,840
Mean adjusted gross income$126,360
Returns declaring $200,000 or more13.5%
Returns, under $25k19.2%
Returns, $25k–$50k19.7%
Returns, $50k–$75k15.6%
Returns, $75k–$100k10.9%
Returns, $100k–$200k21.1%
Returns, $200k or more13.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$855,600
Median gross rent$2,248
Rent as a share of household income32.8%
Owner-occupied67.3%
Vacant homes10.6%
Median year built1976

What the homes are

Detached house68%
Attached house6.2%
2 to 4 units5.3%
5 to 19 units5.8%
20 or more units8.8%
Mobile home5.7%
Boat, RV or van0.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$902,500as of 2026-07
Typical home value, 1 yeardown 2.3%
Typical home value, 5 yearsup 6.1%
Typical home value, 10 yearsup 44%
Typical asking rent$2,840as of 2026-07
Typical asking rent, 1 yearup 0.6%
Typical asking rent, 5 yearsup 16%
Typical home value since 2000
200020132026$956,165$282,767

$282,767 in 2000 to $902,500 in 2026.

Typical asking rent
201920222026$2,840$2,240

$2,240 in 2019 to $2,840 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.9%
Bachelor's degree or higher38.3%
High school diploma or higher85%
Works from home11.9%
Drives to work alone71.3%
Takes public transport0.7%
Commutes 45 minutes or more14%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity28.8% 4.6 pts below the national average of 33.4%
Diagnosed diabetes11% 1 pts below the national average of 12%
Currently smokes10.7% 2.5 pts below the national average of 13.2%
High blood pressure32.9% 1.2 pts below the national average of 34.1%
Fair or poor general health20.7% same as the national average of 20.3%
No health insurance (18–64)10% 1.3 pts below the national average of 11.3%
Depression22.1% same as the national average of 21.9%
No leisure-time physical activity23% 2.4 pts below the national average of 25.4%
Arthritis24.9% same as the national average of 25.1%
Binge drinking16.4% same as the national average of 16%
Taking blood pressure medication73.8% 0.9 pts below the national average of 74.7%
Cancer (non-skin)9.1% 1.4 pts above the national average of 7.7%
Current asthma9.9% 0.5 pts below the national average of 10.4%
Coronary heart disease6.5% same as the national average of 6.2%
Routine check-up in past year73.8% 2.9 pts below the national average of 76.7%
Cholesterol screening87.3% 1.4 pts above the national average of 85.9%
Cognitive disability14% 0.8 pts below the national average of 14.8%
Colorectal screening65% 0.7 pts above the national average of 64.3%
COPD6% 0.6 pts below the national average of 6.6%
Visited a dentist66.9% 5.6 pts above the national average of 61.3%
Any disability31.2% 0.5 pts above the national average of 30.7%
Lacks emotional support24.2% 0.6 pts below the national average of 24.8%
Food insecurity14% 3.1 pts below the national average of 17.1%
Received food stamps12.4% 1.9 pts below the national average of 14.3%
Hearing disability6.9% same as the national average of 6.7%
High cholesterol36.4% same as the national average of 36.2%
Housing insecurity12.2% 1.6 pts below the national average of 13.8%
Independent living disability7.9% 0.5 pts below the national average of 8.4%
Lacks transport7.8% 1.4 pts below the national average of 9.2%
Loneliness32.9% 1.5 pts below the national average of 34.4%
Mammography use75.9% same as the national average of 75.9%
Poor mental health (14+ days)16% 0.8 pts below the national average of 16.8%
Mobility disability14.6% 0.6 pts above the national average of 14%
Poor physical health (14+ days)13.7% same as the national average of 13.5%
Self-care disability3.8% same as the national average of 4%
Utility shut-off threat6.3% 2.5 pts below the national average of 8.8%
Sleeps under 7 hours30.8% 5.6 pts below the national average of 36.4%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost8.1% 4.9 pts below the national average of 13%
Vision disability5.1% 0.5 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments1,877
People employed27,128
Annual payroll$1,789,015,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 89.2% of US census tracts
FEMA ratingVery Low to Very High across the 29 census tracts this ZIP code covers
Expected annual loss90.4 out of 100
Community resilience66.7 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought97.8Very High at its worst in this ZIP code
Landslide97.3Very High at its worst in this ZIP code
Wildfire96.1Relatively High at its worst in this ZIP code
Earthquake89.1Very High at its worst in this ZIP code
River flooding82.6Very High at its worst in this ZIP code
Volcanic activity46.6Very Low at its worst in this ZIP code
Tsunami31.6Very Low at its worst in this ZIP code
Winter weather17.1Relatively Low at its worst in this ZIP code
Heat wave17Relatively Moderate at its worst in this ZIP code
Hail16.9Very Low at its worst in this ZIP code
Tornado10.8Relatively Low at its worst in this ZIP code
Strong wind10.5Relatively Low at its worst in this ZIP code
Lightning10.2Relatively Low at its worst in this ZIP code
Coastal flooding9.6Very High at its worst in this ZIP code
Avalanche3Very Low at its worst in this ZIP code
Compared with California and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPCaliforniaUnited States
Median household income$109,444$96,334$78,538
Income per person$57,993$47,977$43,289
Poverty rate8.5%12%12.4%
Median home value$855,600$695,400$303,400
Median gross rent$2,248$1,956$1,348
Homeownership67.3%55.8%65%
Bachelor's degree or higher38.3%36.5%35%
Unemployment rate3.9%6.4%5.2%
Works from home11.9%15.5%13.5%
Born outside the US20.7%26.7%13.9%
Median age44.537.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationMARKLEY COVE, CA US12.2 km away
Rain in a year28 in

Average high and low by month

January57.4°F / 36.4°F5.72 in rain
February61.4°F / 37.9°F5.93 in rain
March66°F / 40.2°F4.1 in rain
April71.3°F / 42.9°F1.67 in rain
May79.3°F / 48.5°F1.01 in rain
June88°F / 54.1°F0.23 in rain
July94.8°F / 56.8°F0.01 in rain
August94.1°F / 55.8°F0.03 in rain
September90.1°F / 53.3°F0.07 in rain
October79.4°F / 47.3°F1.09 in rain
November66.1°F / 40.6°F2.49 in rain
December57.5°F / 36.4°F5.6 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket4% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Napa Valley Unified School District47.6% of this ZIP code's land area
St. Helena Unified School District45.4% of this ZIP code's land area
Fairfield-Suisun Unified School District7% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability52more vulnerable than 52% of US census tracts
Socioeconomic status47more vulnerable than 47% of US census tracts
Household characteristics60more vulnerable than 60% of US census tracts
Racial and ethnic minority status48more vulnerable than 48% of US census tracts
Housing type and transport47more vulnerable than 47% of US census tracts
Walkability4.7 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

94599 Yountville, CA10.9 km away
94562 Oakville, CA12.6 km away
94573 Rutherford, CA14.5 km away
94581 Napa, CA17.7 km away
94559 Napa, CA18.5 km away
94574 Saint Helena, CA19 km away
95696 Vacaville, CA21.1 km away
94508 Angwin, CA21.5 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Napa County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area399.85 sq mi
Water area30.73 sq mi
Population density161 people per sq mi
Latitude, longitude38.4549, -122.2564

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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