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 High-density area
- $115,192
- Median income Above-median income area
- 7.0%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
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 average California ZIP), while per-capita income is $14,731. The poverty rate is 18.3%, with unemployment at 0.0%; those measures add context to the income figure. The ACS does not report a median home value for this ZIP, so housing cost context is limited to the available tenure and rent fields.
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 -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Marin County, so 94964 can be compared with both its immediate and county-level context.
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
Who lives in ZIP 94964?
49.2
Median Age
89.2%
Male
10.8%
Female
21.3%
Foreign-Born
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 ZIP avg
$14,731
Per Capita Income
18.3%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 94964 ranks among California ZIPs
San Quentin, CA household income vs. every California ZIP code
Median household income among 1,583 reporting California ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$115,192 Top 30% higher than 70% of 1,583 California ZIPs
Each bar is a $20K-wide band; taller bars hold more California 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
244housing units
244
Total Housing Units
204
Occupied Units
40
Vacant Units
1.82
Avg Household Size
Occupancy Type
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.
- 94901
San Rafael (94901)
41,157 residents
- 94941
Mill Valley (94941)
30,496 residents
- 94801
Richmond (94801)
29,395 residents
- 94960 15,740
San Anselmo (94960)
15,740 residents
- 94920 12,474
Belvedere Tiburon (94920)
12,474 residents
- 94904 11,995
Greenbrae (94904)
11,995 residents
- 94965 10,847
Sausalito (94965)
10,847 residents
- 94925 9,253
Corte Madera (94925)
9,253 residents
- 94939 6,859
Larkspur (94939)
6,859 residents
What this shows Among its immediate neighbors, ZIP 94964 ranks #0 by population - useful context the national average alone can't give.
ZIP 94964 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 94957
Ross (94957)
$250,000 median income
- 94920
Belvedere Tiburon (94920)
$246,045 median income
- 94925
Corte Madera (94925)
$232,763 median income
- 94941
Mill Valley (94941)
$209,870 median income
- 94939
Larkspur (94939)
$203,988 median income
- 94960
San Anselmo (94960)
$185,170 median income
- 94904
Greenbrae (94904)
$169,118 median income
- 94965
Sausalito (94965)
$146,946 median income
- 94901
San Rafael (94901)
$115,330 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 94964, both outside CA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (5,094 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Marin County
Related Areas
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.
Related
Take this with you
What to do with ZIP 94964's numbers, next.
- See how ZIP 94964 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where San Quentin, CA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.