PlainZIP

San Quentin, CA · standard

ZIP Code 94964

Marin County, California - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

5,094
5,060/sq mi
$115,192
Median income
7.0%
Bachelor's or higher

The verdict

San Quentin pairs an upper-quartile household income, in a suburban-density, mixed-tenure area.

Top 11%
household income, US ZIPs
5,060
people per sq mi
45%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 94964 against every reporting US ZIP.

ZIP code 94964 is a mid-sized community (a standard USPS delivery area) in San Quentin, Marin County, California, home to 5,094 residents across 1.0 square miles, a density of 5,060 people per square mile, in the Los Angeles time zone.

ZIP 94964 skews affluent, with a median household income of $115,192 (13% above the California average), while per-capita income is $14,731. 18.3% of residents live below the poverty line, and the unemployment rate reads 0.0%. Median home value sits at -, median rent at - a month, and owner-occupancy at 44.6%.

Formal educational attainment runs low here: just 7.0% of adults hold a bachelor's degree or higher, the median age is 49.2, and the average commute is -. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Marin County, so you can benchmark 94964 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 94964, San Quentin, CA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

5,094

Population

1.0

Area (sq mi)

5,060

People / sq mi

Los Angeles

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 94964?

49.2

Median Age

89.2%

Male

10.8%

Female

21.3%

Foreign-Born

White 33.7%
African American 22.5%
Asian 5.5%
American Indian or Alaska Native 2.9%
Native Hawaiian or Pacific Islander 0.7%
Two or More Ethnicities 14.7%
Hispanic or Latino 34.9%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$115,192

Median Household Income

+13% vs state

$14,731

Per Capita Income

18.3%

Poverty Rate

0.0%

Unemployment Rate

How ZIP 94964 ranks nationally

San Quentin, CA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$115,192 Top 11% higher than 89% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 34.7%
Bachelor's Degree or Higher 7.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

244

Total Housing Units

204

Occupied Units

40

Vacant Units

1.82

Avg Household Size

Occupancy Type

Owner 44.6%
Renter 55.4%

1938

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 6 business establishments in ZIP 94964, employing approximately 19 people with a combined annual payroll of $1,173,000.

6

Businesses

19

Employees

$1.2M

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 3 50.0%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 94964 vs 94925 →

ZIP 94964 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 94964 ranks #0 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 94964 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 94964 ranks #null of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
94925 Corte Madera, CA 9,253 1.8 mi
94901 San Rafael, CA 41,157 2.6 mi
94939 Larkspur, CA 6,859 2.3 mi
94904 Greenbrae, CA 11,995 3.9 mi
94920 Belvedere Tiburon, CA 12,474 4.1 mi
94957 Ross, CA 1,332 4.1 mi
94941 Mill Valley, CA 30,496 4.9 mi
94801 Richmond, CA 29,395 6.0 mi
94965 Sausalito, CA 10,847 6.7 mi
94960 San Anselmo, CA 15,740 5.9 mi

More ZIP Codes in Marin County

94901 standard
San Rafael, CA
Pop: 41,157
94941 standard
Mill Valley, CA
Pop: 30,496
94903 standard
San Rafael, CA
Pop: 29,040
94947 standard
Novato, CA
Pop: 24,283
94949 standard
Novato, CA
Pop: 17,202
94945 standard
Novato, CA
Pop: 17,167

Related Areas

Marin County San Quentin, CA California

Frequently Asked Questions

What county is ZIP code 94964 in? ▼
ZIP code 94964 (San Quentin) is located in Marin County, California. Marin County contains multiple ZIP codes, see the full list at /counties/marin-ca.
What is the population of ZIP code 94964? ▼
ZIP code 94964 in San Quentin, CA has a population of 5,094 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 94964? ▼
The median household income in ZIP 94964 is $115,192, which is 51% above the national average of $76,288.
What is the demographic makeup of ZIP 94964? ▼
The largest racial group in ZIP 94964 is White at 33.7%. Hispanic or Latino residents make up 34.9% of the population.
How many businesses are in ZIP code 94964? ▼
ZIP code 94964 has 6 business establishments employing approximately 19 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 94964? ▼
In ZIP code 94964, 34.7% of residents aged 25+ have a high school diploma or higher, and 7.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 94964? ▼
In ZIP code 94964, approximately 44.6% of occupied housing units are owner-occupied and 55.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 94964? ▼
The poverty rate in ZIP code 94964 is 18.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.