PlainZIP

San Geronimo, CA · standard

ZIP Code 94963

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

569
83/sq mi
$210,823
Median income
$1,156,300
Median home value
85.3%
Bachelor's or higher

The verdict

San Geronimo pairs a top-decile household income with top-decile home values, in a rural, homeowner-dominated area.

Top 1%
household income, US ZIPs
Top 2%
home value, US ZIPs
83
people per sq mi
92%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 94963 against every reporting US ZIP.

ZIP code 94963 is a sparsely populated ZIP (a standard USPS delivery area) in San Geronimo, Marin County, California, home to just 569 residents across 6.9 square miles, a density of 83 people per square mile, in the Los Angeles time zone.

ZIP 94963 skews affluent, with a median household income of $210,823 (107% above the California average), while per-capita income is $78,648. Poverty here runs at 0.0%, with unemployment measured at 0.0%. Median home value sits at $1,156,300 (50% above the state average), median rent at - a month, and owner-occupancy at 91.6%.

This is a highly-educated ZIP: 85.3% of adults hold a bachelor's degree or higher, the median age is 46.1, and the average commute is -. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Marin County, letting you compare 94963 to its immediate surroundings rather than a national baseline 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 →

Top industries in ZIP 94963

Top 5 sectors by establishment count in San Geronimo, CA

Which industries have the most business establishments in ZIP 94963.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

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 94963, San Geronimo, 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

569

Population

6.9

Area (sq mi)

83

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 94963?

46.1

Median Age

56.7%

Male

43.3%

Female

22.2%

Foreign-Born

White 85.3%
African American 0.1%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 14.6%
Hispanic or Latino 19.5%

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?

$210,823

Median Household Income

+107% vs state

$78,648

Per Capita Income

0.0%

Poverty Rate

0.0%

Unemployment Rate

How ZIP 94963 ranks nationally

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

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

$210,823 Top 1% higher than 99% 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%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). Below this entry. $160,000–$180,000: 364 US ZIPs (1%). Below this entry. $180,000–$200,000: 186 US ZIPs (1%). Below this entry. $200,000–$220,000: 324 US ZIPs (1%). This entry sits in this band. 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 85.3%
Bachelor's Degree or Higher 85.3%

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

What does housing look like?

239

Total Housing Units

239

Occupied Units

0

Vacant Units

3.08

Avg Household Size

Occupancy Type

Owner 91.6%
Renter 8.4%

$1,156,300

Median Home Value

+50% vs state

1966

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 21 business establishments in ZIP 94963, employing approximately 133 people with a combined annual payroll of $6,463,000.

21

Businesses

133

Employees

$6.5M

Annual Payroll

4

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 8 38.1%
Construction 3 14.3%
Real estate and rental and leasing 3 14.3%
Professional, scientific, and technical services 3 14.3%

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 94963 vs 94933 →

ZIP 94963 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 94963 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 94963 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 94963 ranks #2 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
94933 Forest Knolls, CA 865 0.9 mi
94973 Woodacre, CA 1,429 1.7 mi
94938 Lagunitas, CA 812 3.2 mi
94946 Nicasio, CA 699 4.7 mi
94950 Olema, CA 89 4.9 mi
94930 Fairfax, CA 8,500 4.6 mi
94960 San Anselmo, CA 15,740 5.2 mi
94924 Bolinas, CA 1,638 5.5 mi
94970 Stinson Beach, CA 683 7.0 mi
94903 San Rafael, CA 29,040 6.5 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 Geronimo, CA California

Frequently Asked Questions

What county is ZIP code 94963 in? ▼
ZIP code 94963 (San Geronimo) 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 94963? ▼
ZIP code 94963 in San Geronimo, CA has a population of 569 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 94963? ▼
The median household income in ZIP 94963 is $210,823, which is 176% above the national average of $76,288.
What is the average home value in ZIP 94963? ▼
The median home value in ZIP 94963 is $1,156,300, which is 316% above the national average of $278,155.
What is the demographic makeup of ZIP 94963? ▼
The largest racial group in ZIP 94963 is White at 85.3%. Hispanic or Latino residents make up 19.5% of the population.
How many businesses are in ZIP code 94963? ▼
ZIP code 94963 has 21 business establishments employing approximately 133 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 94963? ▼
The top industries by establishment count in ZIP 94963 are: Health care and social assistance (8), Construction (3), Real estate and rental and leasing (3). There are 4 industry sectors represented in total.
What is the education level in ZIP code 94963? ▼
In ZIP code 94963, 85.3% of residents aged 25+ have a high school diploma or higher, and 85.3% 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 94963? ▼
In ZIP code 94963, approximately 91.6% of occupied housing units are owner-occupied and 8.4% are renter-occupied, based on Census ACS 2023 data.

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