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
- $2,000,000+
- 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 a mid-sized community (a standard USPS delivery area) in Larkspur, Marin County, California, home to 6,859 residents across 5.5 square miles, a density of 1,238 people per square mile, in the Los Angeles time zone.
ZIP 94939 skews affluent, with a median household income of $203,988 (101% above the California average), while per-capita income is $114,426. Poverty here runs at 6.8%, with unemployment measured at 4.4%. Housing costs here run $2,000,000+ for a typical home value (159% above the state average), with rent averaging $3,278 a month; 49.8% of homes are owner-occupied.
This is a highly-educated ZIP: 70.7% of adults hold a bachelor's degree or higher, the median age is 48.4, and the average commute is 28 minutes. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Marin County, letting you compare 94939 to its immediate surroundings rather than a national baseline alone.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 94939
Top 5 sectors by establishment count in Larkspur, CA
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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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
Larkspur, CA 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
$2,000,000+
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)
$250,000 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
Related Areas
Frequently Asked Questions
What county is ZIP code 94939 in? ▼
What is the population of ZIP code 94939? ▼
What is the median household income in ZIP 94939? ▼
What is the average home value in ZIP 94939? ▼
What is the demographic makeup of ZIP 94939? ▼
How many businesses are in ZIP code 94939? ▼
What are the main industries in ZIP code 94939? ▼
How have home values changed in ZIP code 94939? ▼
What is the education level in ZIP code 94939? ▼
What is the average commute time in ZIP 94939? ▼
What percentage of residents own vs. rent in ZIP 94939? ▼
What is the poverty rate in ZIP code 94939? ▼
Read our methodology to see how this data is sourced, computed, and verified.