US ZIP Code
94963

San Geronimo, CA

Marin County  ·  California

● Active
👥 562 Population ↑ 39% since 2019
💰 $206,375 Median HH Income
▲ 170% above avg ↑ 74% since 2019
🎂 46.4 Median Age ↑ 15% since 2019
🏠 $1,220,800 Median Home Value
▲ 338% above avg ↑ 43% since 2019
🎓 96.0% College Grads
▲ 148% above avg
📊 0.0% Unemployment
▼ 100% below avg
ZIP Code Details
ZIP Code94963
CitySan Geronimo
StateCalifornia (CA)
CountyMarin County
Area Code415/628
Elevation1,043 ft
Latitude38.00761
Longitude-122.664748
TimezoneLos Angeles (DST)
FIPS06041
ZIP TypePO Box
StatusActive
People & Population (ACS 2023)
♂ Male 57.8% (325) Female 42.2% (237) ♀

Race & Ethnicity

White: 96.1%Hispanic: 3.9%Race
White96.1%
Hispanic3.9%

Age Breakdown

5–17
19%
18–24
22%
25–44
4%
45–64
36%
65+
5%

Key Indicators

Median Age46.4 yrs ↑ 15% since 2019
Avg Household Size2.87
Below Poverty0.0% ▼ 100% below avg
College Grads96.0% ▲ 148% above avg
Unemployment0.0% ▼ 100% below avg
Associates13 (4%)
Bachelors28 (8.7%)
Graduate Degree281 (87.3%)

Education

Associates: 4%Bachelors: 8.7%Graduate: 87.3%Edu
Associates4.0%
Bachelors8.7%
Graduate87.3%
Housing & Income

Housing Tenure

Owner: 88.7%Renter: 11.3%Tenure
Owner88.7%
Renter11.3%

Home Value Distribution

Under $50k
21%
Over $500k
79%

Financials

Median HH Income$206,375 ▲ 170% above avg ↑ 74% since 2019
Median Home Value$1,220,800 ▲ 338% above avg ↑ 43% since 2019
Home/Income Ratio5.9x (nat avg ~3.5x)
Total Units195
Avg HH Size2.87

Income Distribution

Under $25k
11%
$50k–75k
14%
$100k–150k
16%
Over $200k
58%
Employment & Commute

How People Get to Work

Drove Alone
76%
Walked
5%
Work From Home
19%

Commute Time

Under 15 min
57%
15–30 min
29%
30–45 min
14%
Housing Stock

Year Built

Before 1940
6%
1960s–1970s
14%
1980s–1990s
16%
2000+
64%

Summary

Total Units195
Owner Occupied88.7%
Renter Occupied11.3%
Avg HH Size2.87
Frequently Asked Questions
ZIP code 94963 is in San Geronimo, CA, in Marin County.
ZIP code 94963 is located in California (CA).
ZIP code 94963 is in Marin County, CA.
ZIP 94963 observes the Los Angeles timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 94963 is 562 people (ACS 2023).
The median household income in ZIP code 94963 is $206,375 (ACS 2023).
The median home value in ZIP 94963 is $1,220,800 (ACS 2023).
About ZIP Code 94963

ZIP code 94963 is located in San Geronimo, California, within Marin County. With a population of 562, this is a sparsely populated ZIP code with a mature community — the median age is 46.4 years. Economically, 94963 is a affluent ZIP code: the median household income of $206,375 is more than double the national average.

Real estate in ZIP code 94963 represents among the most expensive housing markets in the country. The median home value of $1,220,800 is more than double the national average. Homeownership is strong here — 88.7% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 43% since 2019.

The population of 94963 is primarily White (96.09%). Residents are highly educated — 96.0% hold a bachelor's degree or higher, which is more than double the national average. Household income has grown by 74% since 2019.

About 19% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 76%.

Overall, ZIP code 94963 in San Geronimo, CA is characterized as affluent, highly educated, a mature community, and predominantly owner-occupied. With 562 residents, a median household income of $206,375, and a median home value of $1,220,800, it offers a clear picture of life in this part of California.