Forest Knolls, CA · standard
ZIP Code 94933
Marin County, California — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 865
- 305/sq mi
- $133,006
- Median income
- $862,100
- Median home value
- 52.6%
- Bachelor's or higher
The verdict
Forest Knolls pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.
- Top 6%
- household income, US ZIPs
- Top 4%
- home value, US ZIPs
- 305
- people per sq mi
- 78%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 94933 against every reporting US ZIP.
ZIP code 94933 is classified by USPS as a standard delivery area and covers roughly 2.8 square miles in Forest Knolls, Marin County, California. The area is home to 865 residents, producing a population density of 305 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 94933 against California and the nation.
On the economic side, the median household income for ZIP 94933 sits at $133,006 (31% above the California average), while per-capita income is $85,793. The poverty rate stands at 4.4% and the unemployment rate at 0.0%. On housing, the median home value is $862,100 (12% above the state average) with median rent at — per month, and 78.2% of occupied units are owner-occupied, a direct signal of whether 94933 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 52.6% of adults hold a bachelor's degree or higher, the median age is 62.2, 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 94933 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 →
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 94933, Forest Knolls, 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
865
Population
2.8
Area (sq mi)
305
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 94933?
62.2
Median Age
58.7%
Male
41.3%
Female
8.5%
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?
$133,006
Median Household Income
+31% vs state
$85,793
Per Capita Income
4.4%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 94933 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$133,006 Top 6% higher than 94% 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?
601
Total Housing Units
563
Occupied Units
38
Vacant Units
1.78
Avg Household Size
Occupancy Type
$862,100
Median Home Value
+12% vs state
1954
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 13 business establishments in ZIP 94933, employing approximately 68 people with a combined annual payroll of $4,720,000.
13
Businesses
68
Employees
$4.7M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 3 | 23.1% |
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 94933 vs 94963 →
ZIP 94933 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 94933 ranks #6 by population — useful context the national average alone can't give.
ZIP 94933 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 94933 ranks #7 of 9 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 94963 | San Geronimo, CA | 569 | 0.9 mi |
| 94973 | Woodacre, CA | 1,429 | 2.6 mi |
| 94938 | Lagunitas, CA | 812 | 2.4 mi |
| 94946 | Nicasio, CA | 699 | 4.6 mi |
| 94950 | Olema, CA | 89 | 4.0 mi |
| 94924 | Bolinas, CA | 1,638 | 5.0 mi |
| 94930 | Fairfax, CA | 8,500 | 5.2 mi |
| 94960 | San Anselmo, CA | 15,740 | 6.1 mi |
| 94970 | Stinson Beach, CA | 683 | 7.1 mi |
| 94903 | San Rafael, CA | 29,040 | 7.4 mi |
More ZIP Codes in Marin County
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Frequently Asked Questions
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What is the population of ZIP code 94933? ▼
What is the median household income in ZIP 94933? ▼
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What is the demographic makeup of ZIP 94933? ▼
How many businesses are in ZIP code 94933? ▼
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What percentage of residents own vs. rent in ZIP 94933? ▼
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ZIP Code Research Guides
Official Data Resources for Forest Knolls, 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.