Larkspur, CA · standard
ZIP Code 94939
Marin County, California — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 6,859
- 1,238/sq mi
- $203,988
- Median income
- $2,000,001
- Median home value
- 70.7%
- Bachelor's or higher
The verdict
Larkspur pairs a top-decile household income with top-decile home values, in a low-density, mixed-tenure area.
- Top 1%
- household income, US ZIPs
- Top 1%
- home value, US ZIPs
- 1,238
- people per sq mi
- 50%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 94939 against every reporting US ZIP.
ZIP code 94939 is classified by USPS as a standard delivery area and covers roughly 5.5 square miles in Larkspur, Marin County, California. The area is home to 6,859 residents, producing a population density of 1,238 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 94939 against California and the nation.
On the economic side, the median household income for ZIP 94939 sits at $203,988 (101% above the California average), while per-capita income is $114,426. The poverty rate stands at 6.8% and the unemployment rate at 4.4%. On housing, the median home value is $2,000,001 (159% above the state average) with median rent at $3,278 per month, and 49.8% of occupied units are owner-occupied, a direct signal of whether 94939 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 70.7% of adults hold a bachelor's degree or higher, the median age is 48.4, and the average commute is 28 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Marin County, so you can benchmark 94939 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 94939
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 94939.
- Professional, scientific, and technical services
Professional, scientific, and technical services
79 establishments
- Finance and insurance
Finance and insurance
61 establishments
- Real estate and rental and leasing
Real estate and rental and leasing
46 establishments
- Health care and social assistance
Health care and social assistance
39 establishments
- Retail trade
Retail trade
35 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 94939, Larkspur, 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
6,859
Population
5.5
Area (sq mi)
1,238
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 94939?
48.4
Median Age
50.9%
Male
49.1%
Female
15.5%
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?
$203,988
Median Household Income
+101% vs state
$114,426
Per Capita Income
6.8%
Poverty Rate
4.4%
Unemployment Rate
27.5 min
Mean Commute Time
How ZIP 94939 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$203,988 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?
3,676
Total Housing Units
3,323
Occupied Units
353
Vacant Units
2.19
Avg Household Size
Occupancy Type
$2,000,001
Median Home Value
+159% vs state
$3,278
Median Rent
1972
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+0.3%
YoY Change (2021)
149
HPI Index (2000 = 100)
+49%
Total Change Since 2000
Home values in ZIP 94939 have increased 0.3% over the past year (2021). Since 2000, this ZIP has seen +49% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2017 | -6.0% | 153 |
| 2018 | -7.6% | 141 |
| 2019 | +10.3% | 156 |
| 2020 | -4.7% | 148 |
| 2021 | +0.3% | 149 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2021. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 404 business establishments in ZIP 94939, employing approximately 5,155 people with a combined annual payroll of $526,291,000.
404
Businesses
5,155
Employees
$526.3M
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 79 | 19.6% |
| Finance and insurance | 61 | 15.1% |
| Real estate and rental and leasing | 46 | 11.4% |
| Health care and social assistance | 39 | 9.7% |
| Retail trade | 35 | 8.7% |
| Accommodation and food services | 35 | 8.7% |
| Other services (except public administration) | 32 | 7.9% |
| Construction | 14 | 3.5% |
| Wholesale trade | 10 | 2.5% |
| Information | 10 | 2.5% |
| Administrative and support and waste management and remediation services | 10 | 2.5% |
| Educational services | 10 | 2.5% |
| Arts, entertainment, and recreation | 7 | 1.7% |
| Transportation and warehousing | 6 | 1.5% |
| Manufacturing | 5 | 1.2% |
| Management of companies and enterprises | 4 | 1.0% |
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 94939 vs 94925 →
ZIP 94939 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 94901
San Rafael (94901)
41,157 residents
- 94941
Mill Valley (94941)
30,496 residents
- 94903
San Rafael (94903)
29,040 residents
- 94960 15,740
San Anselmo (94960)
15,740 residents
- 94904 11,995
Greenbrae (94904)
11,995 residents
- 94965 10,847
Sausalito (94965)
10,847 residents
- 94925 9,253
Corte Madera (94925)
9,253 residents
- 94930 8,500
Fairfax (94930)
8,500 residents
- 94939 6,859
Larkspur (94939)
6,859 residents
What this shows Among its immediate neighbors, ZIP 94939 ranks #9 by population — useful context the national average alone can't give.
ZIP 94939 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 94957
Ross (94957)
$250,001 median income
- 94925
Corte Madera (94925)
$232,763 median income
- 94941
Mill Valley (94941)
$209,870 median income
- 94939
Larkspur (94939)
$203,988 median income
- 94960
San Anselmo (94960)
$185,170 median income
- 94904
Greenbrae (94904)
$169,118 median income
- 94965
Sausalito (94965)
$146,946 median income
- 94930
Fairfax (94930)
$145,362 median income
- 94903
San Rafael (94903)
$142,083 median income
What this shows By household income, ZIP 94939 ranks #4 of 9 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 94925 | Corte Madera, CA | 9,253 | 1.5 mi |
| 94904 | Greenbrae, CA | 11,995 | 1.7 mi |
| 94964 | San Quentin, CA | 5,094 | 2.3 mi |
| 94957 | Ross, CA | 1,332 | 2.4 mi |
| 94941 | Mill Valley, CA | 30,496 | 3.2 mi |
| 94901 | San Rafael, CA | 41,157 | 3.4 mi |
| 94965 | Sausalito, CA | 10,847 | 6.1 mi |
| 94960 | San Anselmo, CA | 15,740 | 4.7 mi |
| 94903 | San Rafael, CA | 29,040 | 6.1 mi |
| 94930 | Fairfax, CA | 8,500 | 4.7 mi |
More ZIP Codes in Marin County
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Frequently Asked Questions
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What are the main industries in ZIP code 94939? ▼
How have home values changed in ZIP code 94939? ▼
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What percentage of residents own vs. rent in ZIP 94939? ▼
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ZIP Code Research Guides
Official Data Resources for Larkspur, 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.