Residential delivery area · California
ZIP Code 94963: San Geronimo, CA
ZIP code 94963 is in San Geronimo, California, entirely in Marin County (Census 2020 ZIP-county file). About 740 people live there (Census Bureau, ACS 2020-2024). Median household income is $210,823 (Census Bureau, ACS 2020-2024). By Census place, its land lies in San Geronimo (89%) and Lagunitas-Forest Knolls (11%).
- ACS2020-24
- Census2020
- FHFA2021
- ZBP2023
- Town
- San Geronimo · its only residential ZIP
- County
- Marin County
- Census places
- San Geronimo (89%) census-designated place; Lagunitas-Forest Knolls (11%) census-designated place
- Metro area
- San Francisco-Oakland-Fremont, CA
- House district
- CA-2 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 1.6 sq mi · 463 people per sq mi
Where is ZIP code 94963?
94963 centers on 38.008°, -122.665° and covers 1.6 square miles of land. It borders 3 ZIP codes: 94933, 94973, 94941.
The map draws ZIP code areas only. For the streets inside 94963, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 94963 compare with the rest of Marin County?
| Measure | 94963 | In Marin County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 739 | 22nd of 29 | 1,471st of 1,802 |
| Median household income | $211k | not ranked | not ranked |
| Median home value | $1.16M | not ranked | not ranked |
94963's income and home value are not ranked: it has fewer than 1,000 residents (739). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 71% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 94963?
The 2020 Census counted 506 people in 94963; the ACS, which samples households over 2020-2024, estimates 739. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 739±348 (90% margin)
- 2020 Census count
- 506
- Households
- 239
- Median age
- 46.1
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 94963?
Of the 739 people the ACS estimates in 94963, 20.7% are under 18 and 24.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (72.5%), then Hispanic or Latino (19.5%).
- Under 1820.7%
- 18 to 6454.5%
- 65 and older24.8%
- White, not Hispanic72.5%
- Hispanic or Latino19.5%
- Other or two or more7.8%
- Black, not Hispanic0.1%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 94963 earn?
Median household income is $210,823 (ACS 2020-2024).
- Median household income
- $210,823±$104,170
- Income per person
- $78,648
- Below the poverty line
- 0.0%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 85.3%
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 94963?
- Median home value (owners' estimate)
- $1,156,300
- Median gross rent
- –
- Homes owned by their occupants
- 91.6%
- Housing units
- 239
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 94963?
21 business establishments had a location in this ZIP code in 2023, 4 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance8
- Construction3
- Real estate and rental and leasing3
- Professional, scientific, and technical services3
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 94963?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 94933 | Forest Knolls | 1,033 | $133k | 1.4 mi |
| 94973 | Woodacre | 1,689 | $231k | 1.4 mi |
| 94941 | Mill Valley | 32,706 | $210k | 6.7 mi |
| 94930 | Fairfax | 8,406 | $145k | 3.8 mi (near) |
| 94938 | Lagunitas | 437 | – | 3.9 mi (near) |
| 94960 | San Anselmo | 16,232 | $185k | 4.8 mi (near) |
| 94924 | Bolinas | 1,372 | $102k | 4.9 mi (near) |
| 94946 | Nicasio | 715 | $155k | 4.9 mi (near) |
| 94950 | Olema | 22 | – | 5.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.