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 classified by USPS as a standard delivery area and covers roughly 6.9 square miles in San Geronimo, Marin County, California. The area is home to 569 residents, producing a population density of 83 people per square mile, and falls within the Los Angeles time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 94963 against California and the nation.
On the economic side, the median household income for ZIP 94963 sits at $210,823 (107% above the California average), while per-capita income is $78,648. The poverty rate stands at 0.0% and the unemployment rate at 0.0%. On housing, the median home value is $1,156,300 (50% above the state average) with median rent at — per month, and 91.6% of occupied units are owner-occupied, a direct signal of whether 94963 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 85.3% of adults hold a bachelor's degree or higher, the median age is 46.1, 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 94963 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 94963
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 94963.
- Health care and social assistance
Health care and social assistance
8 establishments
- Construction 3
Construction
3 establishments
- Real estate and rental and leasing 3
Real estate and rental and leasing
3 establishments
- Professional, scientific, and technical services 3
Professional, scientific, and technical services
3 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, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, 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; HUD FMR + 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
Who lives in ZIP 94963?
46.1
Median Age
56.7%
Male
43.3%
Female
22.2%
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?
$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
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
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?
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
$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.
- 94903
San Rafael (94903)
29,040 residents
- 94960
San Anselmo (94960)
15,740 residents
- 94930 8,500
Fairfax (94930)
8,500 residents
- 94924 1,638
Bolinas (94924)
1,638 residents
- 94973 1,429
Woodacre (94973)
1,429 residents
- 94933 865
Forest Knolls (94933)
865 residents
- 94938 812
Lagunitas (94938)
812 residents
- 94946 699
Nicasio (94946)
699 residents
- 94970 683
Stinson Beach (94970)
683 residents
What this shows Among its immediate neighbors, ZIP 94963 ranks #0 by population — useful context the national average alone can't give.
ZIP 94963 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 94973
Woodacre (94973)
$231,094 median income
- 94963
San Geronimo (94963)
$210,823 median income
- 94960
San Anselmo (94960)
$185,170 median income
- 94946
Nicasio (94946)
$154,688 median income
- 94930
Fairfax (94930)
$145,362 median income
- 94903
San Rafael (94903)
$142,083 median income
- 94933
Forest Knolls (94933)
$133,006 median income
- 94970
Stinson Beach (94970)
$132,857 median income
- 94924
Bolinas (94924)
$101,458 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.
| 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
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Frequently Asked Questions
What county is ZIP code 94963 in? ▼
What is the population of ZIP code 94963? ▼
What is the median household income in ZIP 94963? ▼
What is the average home value in ZIP 94963? ▼
What is the demographic makeup of ZIP 94963? ▼
How many businesses are in ZIP code 94963? ▼
What are the main industries in ZIP code 94963? ▼
What is the education level in ZIP code 94963? ▼
What percentage of residents own vs. rent in ZIP 94963? ▼
ZIP Code Research Guides
Official Data Resources for San Geronimo, CA
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.