Postal Codes

94508 ZIP Code

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ZIP code 94508 covers Angwin, California, with a population of about 3,298 and a median household income of $116,534.

Population
3,298206 per square mile
Median age
32.46.3 points below the US average
Median household income
$116,5341.2× the California median
Poverty rate
11.8%0.6 points below the US average
Typical home value
$904,799down 5.1% in five years
Median rent
$1,65116% below the California median
Degree or higher
57.1%22.1 points above the US average
Homeownership
65.8%0.8 points above the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
75

Where 94508 is

Angwin, 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

Population3,298
Median age32.4
Family households67.8%
Born outside the US13.7%
Speaks a language other than English at home20.5%
White (non-Hispanic)55.6%
Black (non-Hispanic)2.8%
Asian (non-Hispanic)12.4%
Hispanic or Latino18.8%
Veterans1.9%
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$116,534
Income per person$54,080
Poverty rate11.8%
Households on SNAP or cash assistance1.9%

Household income distribution

Under $10k2.1%
$10–15k1.0%
$15–20k5.1%
$20–25k0.5%
$25–30k2.2%
$30–35k0.0%
$35–40k5.4%
$40–45k2.0%
$45–50k1.6%
$50–60k4.1%
$60–75k10.1%
$75–100k3.8%
$100–125k13.9%
$125–150k11.0%
$150–200k13.5%
$200k or more23.8%

Income as declared to the IRS

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

Tax returns filed1,180
Mean adjusted gross income$114,523
Returns declaring $200,000 or more11.9%
Returns, under $25k22.0%
Returns, $25k–$50k16.9%
Returns, $50k–$75k16.1%
Returns, $75k–$100k11.0%
Returns, $100k–$200k22.0%
Returns, $200k or more11.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$774,600
Median gross rent$1,651
Owner-occupied65.8%
Vacant homes14.3%
Median year built1966

What the homes are

Detached house76.1%
Attached house6.8%
2 to 4 units12.1%
5 to 19 units1.2%
Mobile home3.7%
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$904,799as of 2026-07
Typical home value, 1 yearup 0.1%
Typical home value, 5 yearsdown 5.1%
Typical home value, 10 yearsup 20.5%
Typical home value since 2000
200020132026$975,838$376,264

$376,264 in 2000 to $904,799 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.5%
Bachelor's degree or higher57.1%
High school diploma or higher92.7%
Works from home15.2%
Drives to work alone63.1%
Takes public transport0.8%
Commutes 45 minutes or more12.3%
Health

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

Obesity25.7% 7.7 pts below the national average of 33.4%
Diagnosed diabetes8.4% 3.6 pts below the national average of 12%
Currently smokes8.7% 4.5 pts below the national average of 13.2%
High blood pressure26.9% 7.2 pts below the national average of 34.1%
Fair or poor general health16.5% 3.8 pts below the national average of 20.3%
No health insurance (18–64)7% 4.3 pts below the national average of 11.3%
Depression23.1% 1.2 pts above the national average of 21.9%
No leisure-time physical activity18.7% 6.7 pts below the national average of 25.4%
Arthritis19.6% 5.5 pts below the national average of 25.1%
Binge drinking18.1% 2.1 pts above the national average of 16%
Taking blood pressure medication70.2% 4.5 pts below the national average of 74.7%
Cancer (non-skin)7.2% 0.5 pts below the national average of 7.7%
Current asthma10.1% same as the national average of 10.4%
Coronary heart disease4.9% 1.3 pts below the national average of 6.2%
Routine check-up in past year71.4% 5.3 pts below the national average of 76.7%
Cholesterol screening84% 1.9 pts below the national average of 85.9%
Cognitive disability14.3% 0.5 pts below the national average of 14.8%
Colorectal screening65.8% 1.5 pts above the national average of 64.3%
COPD4.5% 2.1 pts below the national average of 6.6%
Visited a dentist69.5% 8.2 pts above the national average of 61.3%
Any disability28% 2.7 pts below the national average of 30.7%
Lacks emotional support25.2% same as the national average of 24.8%
Food insecurity11.9% 5.2 pts below the national average of 17.1%
Received food stamps9.6% 4.7 pts below the national average of 14.3%
Hearing disability5.5% 1.2 pts below the national average of 6.7%
High cholesterol31.3% 4.9 pts below the national average of 36.2%
Housing insecurity10.7% 3.1 pts below the national average of 13.8%
Independent living disability7.2% 1.2 pts below the national average of 8.4%
Lacks transport7.9% 1.3 pts below the national average of 9.2%
Loneliness35.6% 1.2 pts above the national average of 34.4%
Mammography use76% same as the national average of 75.9%
Poor mental health (14+ days)17.7% 0.9 pts above the national average of 16.8%
Mobility disability10.6% 3.4 pts below the national average of 14%
Poor physical health (14+ days)11.4% 2.1 pts below the national average of 13.5%
Self-care disability2.8% 1.2 pts below the national average of 4%
Utility shut-off threat5.5% 3.3 pts below the national average of 8.8%
Sleeps under 7 hours31.2% 5.2 pts below the national average of 36.4%
Stroke2.6% 0.8 pts below the national average of 3.4%
All natural teeth lost7.6% 5.4 pts below the national average of 13%
Vision disability4% 1.6 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments75
People employed1,139
Annual payroll$44,497,000
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 98.4% of US census tracts
FEMA ratingVery High
Expected annual loss98.1 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.

Landslide99.8Relatively High at its worst in this ZIP code
Wildfire99.3Very High at its worst in this ZIP code
River flooding98.5Very High at its worst in this ZIP code
Drought98.3Relatively High at its worst in this ZIP code
Earthquake96.3Relatively High at its worst in this ZIP code
Volcanic activity68.9Very Low at its worst in this ZIP code
Heat wave45.5Relatively Low at its worst in this ZIP code
Winter weather23.8Relatively Low at its worst in this ZIP code
Lightning23.6Relatively Low at its worst in this ZIP code
Hail18.8Very Low at its worst in this ZIP code
Tornado16.9Very Low at its worst in this ZIP code
Strong wind14.7Very Low at its worst in this ZIP code
Avalanche3.4Very 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$116,534$96,334$78,538
Income per person$54,080$47,977$43,289
Poverty rate11.8%12%12.4%
Median home value$774,600$695,400$303,400
Median gross rent$1,651$1,956$1,348
Homeownership65.8%55.8%65%
Bachelor's degree or higher57.1%36.5%35%
Unemployment rate6.5%6.4%5.2%
Works from home15.2%15.5%13.5%
Born outside the US13.7%26.7%13.9%
Median age32.437.638.7
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 stationANGWIN PACIFIC UNION COLLEGE, CA US0.7 km away
Rain in a year40 in

Average high and low by month

January53.7°F / 39.3°F7.8 in rain
February55.9°F / 39.7°F7.59 in rain
March60.3°F / 40.9°F5.5 in rain
April65.9°F / 42.3°F2.37 in rain
May72.7°F / 46.7°F1.56 in rain
June80°F / 51.3°F0.36 in rain
July84.6°F / 54.1°F0.01 in rain
August84.3°F / 53.9°F0.04 in rain
September81.3°F / 53.4°F0.17 in rain
October72.4°F / 49.7°F1.92 in rain
November59.8°F / 42.8°F4.09 in rain
December52.7°F / 38.8°F8.3 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 supermarketNone of this ZIP code
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 2 school districts, so the address decides which one, not the ZIP code.

Howell Mountain Elementary School District98% of this ZIP code's land area
Calistoga Joint Unified School District2% 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 vulnerability46more vulnerable than 46% of US census tracts
Socioeconomic status40more vulnerable than 40% of US census tracts
Household characteristics11more vulnerable than 11% of US census tracts
Racial and ethnic minority status61more vulnerable than 61% of US census tracts
Housing type and transport78more vulnerable than 78% of US census tracts
Walkability5.5 out of 20Least walkable
Nearby ZIP codes

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

94576 Deer Park, CA3.9 km away
94567 Pope Valley, CA4.6 km away
94574 Saint Helena, CA7.1 km away
94515 Calistoga, CA11.6 km away
94573 Rutherford, CA13.3 km away
94562 Oakville, CA16 km away
95452 Kenwood, CA20.1 km away
94599 Yountville, CA20.9 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 area16.01 sq mi
Water area0.16 sq mi
Population density206 people per sq mi
Latitude, longitude38.5769, -122.4477

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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