Postal Codes

94964 ZIP Code

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ZIP code 94964 covers San Quentin, California, with a population of about 2,115.

Population
2,1154,633 per square mile
Median age
489.3 points above the US average
Poverty rate
26.2%13.8 points above the US average
Degree or higher
1.7%33.3 points below the US average
Homeownership
0%65 points below the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
7

Where 94964 is

San Quentin, California — the point the Postal Service gives for this ZIP code. A ZIP code is a set of delivery routes rather than an area, so this marks its centre, not its boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population2,115
Median age48
Family households13.6%
Born outside the US23.3%
Speaks a language other than English at home35.7%
White (non-Hispanic)29.3%
Black (non-Hispanic)27.4%
Asian (non-Hispanic)5.6%
Hispanic or Latino32.8%
Veterans6.6%
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

Income per person$10,794
Poverty rate26.2%
Households on SNAP or cash assistance0%

Household income distribution

Under $10k0.0%
$10–15k0.0%
$15–20k0.0%
$20–25k0.0%
$25–30k0.0%
$30–35k0.0%
$35–40k0.0%
$40–45k0.0%
$45–50k0.0%
$50–60k0.0%
$60–75k0.0%
$75–100k86.4%
$100–125k0.0%
$125–150k0.0%
$150–200k13.6%
$200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied0%
Vacant homes25.2%
Median year built1954

What the homes are

Detached house100%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher1.7%
High school diploma or higher76.7%
Works from home0%
Drives to work alone86.4%
Takes public transport0%
Commutes 45 minutes or more0%
Health

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

Obesity28% 5.4 pts below the national average of 33.4%
Diagnosed diabetes12.1% same as the national average of 12%
Currently smokes14.2% 1 pts above the national average of 13.2%
High blood pressure35.5% 1.4 pts above the national average of 34.1%
Fair or poor general health21.9% 1.6 pts above the national average of 20.3%
No health insurance (18–64)10.7% 0.6 pts below the national average of 11.3%
Depression15.3% 6.6 pts below the national average of 21.9%
No leisure-time physical activity21.7% 3.7 pts below the national average of 25.4%
Arthritis18.1% 7 pts below the national average of 25.1%
Binge drinking20.2% 4.2 pts above the national average of 16%
Taking blood pressure medication68.1% 6.6 pts below the national average of 74.7%
Cancer (non-skin)5.2% 2.5 pts below the national average of 7.7%
Current asthma8.2% 2.2 pts below the national average of 10.4%
Coronary heart disease5.9% same as the national average of 6.2%
Routine check-up in past year66.7% 10 pts below the national average of 76.7%
Cholesterol screening84.5% 1.4 pts below the national average of 85.9%
Cognitive disability13.9% 0.9 pts below the national average of 14.8%
Colorectal screening60% 4.3 pts below the national average of 64.3%
COPD4.7% 1.9 pts below the national average of 6.6%
Visited a dentist56% 5.3 pts below the national average of 61.3%
Any disability29.4% 1.3 pts below the national average of 30.7%
Lacks emotional support35.4% 10.6 pts above the national average of 24.8%
Food insecurity16.7% same as the national average of 17.1%
Received food stamps13.3% 1 pts below the national average of 14.3%
Hearing disability5.2% 1.5 pts below the national average of 6.7%
High cholesterol33.1% 3.1 pts below the national average of 36.2%
Housing insecurity16.5% 2.7 pts above the national average of 13.8%
Independent living disability6.4% 2 pts below the national average of 8.4%
Lacks transport9.3% same as the national average of 9.2%
Loneliness34.4% same as the national average of 34.4%
Mammography use76.3% same as the national average of 75.9%
Poor mental health (14+ days)15.7% 1.1 pts below the national average of 16.8%
Mobility disability11.8% 2.2 pts below the national average of 14%
Poor physical health (14+ days)12.7% 0.8 pts below the national average of 13.5%
Self-care disability3.9% same as the national average of 4%
Utility shut-off threat8.5% same as the national average of 8.8%
Sleeps under 7 hours40.9% 4.5 pts above the national average of 36.4%
Stroke3.3% same as the national average of 3.4%
All natural teeth lost14.5% 1.5 pts above the national average of 13%
Vision disability4.7% 0.9 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments7
People employed28
Annual payroll$1,390,000
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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 47.3% of US census tracts
FEMA ratingVery Low to Relatively High across the 2 census tracts this ZIP code covers
Expected annual loss54.1 out of 100
Community resilience98.9 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.

Earthquake87.8Relatively High at its worst in this ZIP code
Coastal flooding87.5Very High at its worst in this ZIP code
Landslide79.6Relatively Low at its worst in this ZIP code
Tsunami58.8Relatively Moderate at its worst in this ZIP code
Volcanic activity56.9Very Low at its worst in this ZIP code
River flooding46.1Relatively High at its worst in this ZIP code
Wildfire43.2Relatively Low at its worst in this ZIP code
Heat wave28.6Relatively Low at its worst in this ZIP code
Winter weather14.5Very Low at its worst in this ZIP code
Lightning13.8Relatively Low at its worst in this ZIP code
Strong wind10.3Very Low at its worst in this ZIP code
Tornado8.2Very Low at its worst in this ZIP code
Hail2.9Very 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$96,334$78,538
Income per person$10,794$47,977$43,289
Poverty rate26.2%12%12.4%
Median home value$695,400$303,400
Median gross rent$1,956$1,348
Homeownership0%55.8%65%
Bachelor's degree or higher1.7%36.5%35%
Unemployment rate0%6.4%5.2%
Works from home0%15.5%13.5%
Born outside the US23.3%26.7%13.9%
Median age4837.638.7
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 stationKENTFIELD, CA US5.5 km away
Rain in a year44 in

Average high and low by month

January56.6°F / 41.9°F8.77 in rain
February61.1°F / 43.2°F8.72 in rain
March65.1°F / 44.4°F6 in rain
April68.7°F / 46.3°F2.61 in rain
May73.5°F / 49.5°F1.4 in rain
June79.6°F / 52°F0.36 in rain
July82.5°F / 53.2°F0 in rain
August83°F / 53.6°F0.05 in rain
September82.1°F / 52.7°F0.09 in rain
October75.8°F / 50°F1.98 in rain
November63.6°F / 45.4°F4.63 in rain
December56.4°F / 41.7°F9.78 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 supermarket88% of this ZIP code's area
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.

San Rafael City Elementary School District50% of this ZIP code's land area
San Rafael City High School District50% 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.

Racial and ethnic minority status64more vulnerable than 64% of US census tracts
Walkability11.3 out of 20Above average
Nearby ZIP codes

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

94974 San Quentin, CA0.1 km away
94925 Corte Madera, CA3.3 km away
94901 San Rafael, CA3.8 km away
94976 Corte Madera, CA4.2 km away
94977 Larkspur, CA4.5 km away
94939 Larkspur, CA4.6 km away
94904 Greenbrae, CA4.6 km away
94912 San Rafael, CA5.4 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.

Marin County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area0.46 sq mi
Water area0.36 sq mi
Population density4,633 people per sq mi
Latitude, longitude37.9416, -122.4844

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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