Residential delivery area · California
ZIP Code 94933: Lagunitas-Forest Knolls (Forest Knolls), CA
ZIP code 94933 is in Lagunitas-Forest Knolls (postal name Forest Knolls), California, entirely in Marin County (Census 2020 ZIP-county file). About 1,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $133,006 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Lagunitas-Forest Knolls (a census-designated place); 5% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2022
- ZBP2023
- Town
- Forest Knolls · its only residential ZIP
- County
- Marin County
- Census places
- Lagunitas-Forest Knolls census-designated place
- Metro area
- San Francisco-Oakland-Fremont, CA
- House district
- CA-2 119th Congress
- State
- California
- Time zone
- Pacific
- Land area
- 3.2 sq mi · 322 people per sq mi
Where is ZIP code 94933?
94933 centers on 38.018°, -122.688° and covers 3.2 square miles of land. It borders 5 ZIP codes: 94963, 94938, 94973, 94946, 94941.
The map draws ZIP code areas only. For the streets inside 94933, 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 94933 compare with the rest of Marin County?
| Measure | 94933 | In Marin County | In CA |
|---|---|---|---|
| People (ACS 2020-2024) | 1,033 | 20th of 29 | 1,412th of 1,802 |
| Median household income | $133k | 10th of 15 | 258th of 1,189 |
| Median home value | $862k | 20th of 20 | 471st of 1,317 |
Its median household income is higher than in 94% of U.S. residential ZIP codes, and it is denser than 68% of all 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 94933?
The 2020 Census counted 1,226 people in 94933; the ACS, which samples households over 2020-2024, estimates 1,033. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,033±383 (90% margin)
- 2020 Census count
- 1,226
- Households
- 563
- Median age
- 62.2
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 94933?
Of the 1,033 people the ACS estimates in 94933, 9.8% are under 18 and 40.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (58.5%), then Hispanic or Latino (15.9%).
- Under 189.8%
- 18 to 6449.3%
- 65 and older40.9%
- White, not Hispanic58.5%
- Hispanic or Latino15.9%
- Other or two or more11.4%
- Asian, not Hispanic8.6%
- Black, not Hispanic5.6%
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 94933 earn?
Median household income is $133,006 (ACS 2020-2024), the 10th highest of the 15 ranked ZIP codes in Marin County.
- Median household income
- $133,006±$24,293
- Income per person
- $85,793
- Below the poverty line
- 4.4%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 52.6%
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 94933?
- Median home value (owners' estimate)
- $862,100
- Median gross rent
- –
- Homes owned by their occupants
- 78.2%
- Housing units
- 601
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 94933?
13 business establishments had a location in this ZIP code in 2023, 6 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction3
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 94933?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 94963 | San Geronimo | 739 | $211k | 1.4 mi |
| 94938 | Lagunitas | 437 | – | 2.4 mi |
| 94973 | Woodacre | 1,689 | $231k | 2.7 mi |
| 94946 | Nicasio | 715 | $155k | 4.0 mi |
| 94941 | Mill Valley | 32,706 | $210k | 8.0 mi |
| 94950 | Olema | 22 | – | 4.0 mi (near) |
| 94924 | Bolinas | 1,372 | $102k | 4.5 mi (near) |
| 94930 | Fairfax | 8,406 | $145k | 5.2 mi (near) |
| 94960 | San Anselmo | 16,232 | $185k | 6.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.