ZIP Code Tabulation Area · California

ZIP Code 94558: Napa County, CA

ZIP Code 94558 (Napa County, California) has an estimated 63,657 residents in 24,521 households. The median household income is $113,269, the median home value is $890,500 and the median gross rent is $2,385/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Total population

63,657

Margin of error ±1,421

Median household income

$113,269

Margin of error ±$8,498

Median home value

$890,500

Margin of error ±$15,003

Median gross rent

$2,385/mo

Margin of error ±$80

Median age

44.5 yrs

Margin of error ±1.2 yrs

Mean travel time to work

24.4 min

Margin of error ±1.6 min

How ZIP 94558 compares with California and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 9455844.5 yrsCalifornia37.9 yrsUnited States38.9 yrs

Median household income

ZIP 94558$113,269California$99,122United States$80,734

Per capita income

ZIP 94558$63,636California$49,513United States$44,673

Poverty rate

ZIP 945588.5%California12.0%United States12.5%

Unemployment rate

ZIP 945584.3%California6.6%United States5.2%

Bachelor's degree or higher

ZIP 9455840.1%California37.1%United States35.7%

Median home value

ZIP 94558$890,500California$734,700United States$332,700

Median gross rent

ZIP 94558$2,385/moCalifornia$2,036/moUnited States$1,413/mo

Owner-occupied homes

ZIP 9455867.5%California55.9%United States65.2%

Mean travel time to work

ZIP 9455824.4 minCalifornia28.7 minUnited States26.4 min

Worked from home

ZIP 9455814.7%California17.2%United States15.1%

All figures for ZIP 94558

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 94558 — ACS 2020–2024 5-year estimates
Measure	ZIP 94558	Margin of error	California	United States
Total population	63,657	±1,421	39,287,377	334,922,499
Median age	44.5 yrs	±1.2 yrs	37.9 yrs	38.9 yrs
Households	24,521	±749	13,548,091	129,227,496
Median household income	$113,269	±$8,498	$99,122	$80,734
Per capita income	$63,636	±$3,488	$49,513	$44,673
Poverty rate	8.5%	±1.5 pts	12.0%	12.5%
Unemployment rate	4.3%	±0.9 pts	6.6%	5.2%
Bachelor's degree or higher	40.1%	±1.7 pts	37.1%	35.7%
Median home value	$890,500	±$15,003	$734,700	$332,700
Median gross rent	$2,385/mo	±$80	$2,036/mo	$1,413/mo
Owner-occupied homes	67.5%	±2.1 pts	55.9%	65.2%
Mean travel time to work	24.4 min	±1.6 min	28.7 min	26.4 min
Worked from home	14.7%	±1.7 pts	17.2%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 94558
Group	ZIP 94558	California	United States
White alone, not Hispanic or Latino	54.0%	33.8%	57.4%
Black or African American alone, not Hispanic or Latino	0.8%	5.2%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.1%	0.3%	0.5%
Asian alone, not Hispanic or Latino	3.1%	15.3%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.1%	0.3%	0.2%
Some other race alone, not Hispanic or Latino	0.7%	0.6%	0.6%
Two or more races, not Hispanic or Latino	3.9%	4.4%	4.3%
Hispanic or Latino (of any race)	37.4%	40.2%	19.3%

Where ZIP 94558 is

State: California
Main county: Napa County
Largest overlapping place: Napa (3% of the ZIP's land area)
Land area: 399.85 sq mi· about 159 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Napa County

94503 American Canyon, CA 94508 Angwin, CA 94559 Napa County, CA 94567 Napa County, CA 94573 Rutherford, CA 94574 Napa County, CA 94576 Deer Park, CA 94599 Napa County, CA

See every ZIP code in California, or compare ZIP 94558 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.