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California ZIP Codes
Marin County
Larkspur, CA
94939
94939 ZIP Code — Larkspur, CA
Marin County, California
ZIP code 94939 is located in
Larkspur ,
California ,
within Marin County .
It covers approximately 2.36 square miles and serves a population of
7,488 residents.
This is a standard ZIP code in the Pacific (PT) timezone,
served by area code 415 .
About ZIP code 94939
The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $2,000,000. Owner-occupancy sits near the national average at 48%.
The gap between median ($156,250) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 7% is below the national average.
The dominant occupation class is management, business, and professional, with professional and management as the leading industry. The average commute of 31 minutes is near the national average. Remote work is prevalent — 30% of workers work from home.
Educational attainment is high — 76% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 94939 reflects a community defined by a highly educated population and a high rate of remote workers.
94939 ZIP code map
View map of 94939
Cities in ZIP code 94939
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Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
7,488
Population density
3,173 / sq mi
State FIPS
06
County FIPS
041
Geography
Land area
2.36 sq mi
Water area
0.19 sq mi
Latitude
37.9378
Longitude
-122.5266
Timezone
Pacific (PT)
Area code
415
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
20.2%
21.4%
32.6%
$50k – $100k
15.2%
21.0%
27.7%
$100k – $200k
25.8%
27.8%
26.4%
Over $200k
38.8%
29.8%
13.3%
Demographics & statistics
$156,250
Median household income
$107,557
Per capita income
$2,000,000
Median home value
$2,833
Median monthly rent
75.5%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 1,479 19.8%
18 and over 6,009 80.2%
65 and over 1,526 20.4%
Median age 46.3 years
Race & ethnicity
Black or African American
0.4%
Group Count %
White 6,045 75.5%
Two or more races 985 12.3%
Hispanic or Latino 518 6.5%
Asian 291 3.6%
Other race 134 1.7%
Black or African American 33 0.4%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
20.2%
21.4%
32.6%
$50k – $100k
15.2%
21.0%
27.7%
$100k – $200k
25.8%
27.8%
26.4%
Over $200k
38.8%
29.8%
13.3%
Range % of households
Under $10k 4.6%
$10k–$15k 0.9%
$15k–$25k 3.2%
$25k–$35k 5.5%
$35k–$50k 4.8%
$50k–$75k 10.8%
$75k–$100k 4.0%
$100k–$150k 11.5%
$150k–$200k 10.8%
$200k+ 44.1%
Median income $156,250
Housing
Housing overview
Metric Value
Median home value $2,000,000
Median rent / month $2,833
Owner occupied 48.1%
Renter occupied 51.9%
Vacant 8.7%
Single-family detached 42.7%
Large apartment buildings 16.5%
Mobile homes 0.0%
Median rooms 4.8
Avg household size (owned) 2.57
Year built
Era %
2020 or later 0.4%
2010–2019 7.6%
2000–2009 4.0%
1990–1999 16.4%
1980–1989 8.3%
1970–1979 20.2%
1960–1969 16.4%
1950–1959 4.9%
1940–1949 8.3%
1939 or earlier 13.6%
Bedrooms
Size % of units
No bedroom (studio) 2.5%
1 bedroom 25.7%
2 bedrooms 25.2%
3 bedrooms 28.7%
4 bedrooms 12.4%
5+ bedrooms 5.6%
Vehicles per household
Vehicles % of households
No vehicle 3.5%
1 vehicle 48.3%
2 vehicles 31.2%
3 or more 17.0%
Heating fuel
Fuel type %
Utility gas 61.0%
Electricity 37.2%
Propane / LP gas 1.6%
Solar 0.2%
Households & families
Household type Count %
Married-couple family 1,363 39.3%
Cohabiting couple 261 7.5%
Male householder, no spouse 838 24.2%
Female householder, no spouse 1,002 28.9%
Households with children under 18 951 27.5%
Households with seniors (65+) 1,215 35.1%
Average household size 2.15
Marital status
Status Male Female
Never married 34.4% 31.0%
Married 45.9% 40.3%
Separated 2.1% 1.0%
Widowed 1.6% 8.7%
Divorced 16.0% 19.1%
Education
Some college, no degree
14.4%
Graduate / professional
36.7%
Metric %
HS diploma or higher 98.4%
Bachelor's or higher 75.5%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 189 10.8%
Kindergarten 16 0.9%
Elementary school 587 33.4%
High school 431 24.5%
College / grad school 535 30.4%
Employment
Industry of employment
Professional & management
23.4%
Education & healthcare
23.0%
Finance & real estate
10.0%
Arts, food & hospitality
10.0%
Public administration
1.5%
Transportation & utilities
1.4%
Occupation
Category %
Management, business & arts 58.0%
Service 12.1%
Sales & office 20.0%
Natural resources & construction 6.8%
Production & transportation 3.1%
Employment type
Type %
Private sector 78.8%
Government 10.5%
Self-employed 10.3%
Unpaid family workers 0.4%
Commute
Method %
Drive alone 53.2%
Carpool 6.4%
Public transit 6.7%
Walk 3.1%
Work from home 29.7%
Other means 0.8%
Avg commute (minutes) 31.0
Poverty
Married-couple families
0.8%
Female-led households
16.6%
Income support
Source % of households
Social Security 28.5%
Retirement income 20.8%
Supplemental Security 4.3%
Cash public assistance 2.4%
Food stamps / SNAP 0.8%
Health indicators
Condition %
Obesity 23.2%
High blood pressure 25.6%
High cholesterol 31.4%
Diabetes 7.8%
Heart disease 5.0%
Stroke 2.2%
Asthma 9.3%
Arthritis 22.7%
Kidney disease 2.5%
Pulmonary disease 4.4%
Cancer 7.7%
Behavior / access %
Smoking 7.2%
Binge drinking 17.3%
No physical activity 12.1%
Less than 7 hrs sleep 25.6%
Depression 16.4%
Fair or poor health 8.5%
Poor mental health 11.4%
Poor physical health 7.4%
No health insurance 5.2%
Visited doctor (checkup) 67.9%
Visited dentist 78.0%
Cholesterol screening 95.0%
Teeth loss 4.8%
Veterans & disability
Veterans Count %
Civilian veterans 205 3.4%
Disability %
Any disability 8.6%
Under 18 0.0%
18–64 years 5.9%
65 and over 24.9%
Health insurance coverage
Type %
Private insurance 81.1%
Public insurance 29.9%
No insurance 4.9%
Uninsured under 19 4.1%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 7,038 94.0%
Spanish 334 4.7%
Other Indo-European 86 1.2%
Asian & Pacific Islander 152 2.2%
Other languages 70 1.0%
Place of birth & citizenship
Origin Count %
Native born (US) 6,446 86.1%
Born in same state 6,354 84.9%
Born in different state 3,759 50.2%
Foreign born 92 1.2%
Naturalized citizen 1,042 13.9%
Not a US citizen 510 48.9%
Ancestry
Ancestry Count %
Italian 896 12%
French 712 9.5%
Arab 461 6.2%
Polish 177 2.4%
German 74 1%
Ancestry Count %
Dutch 52 0.7%
Irish 48 0.6%
English 33 0.4%
Norwegian 28 0.4%
Technology access
Metric % of households
Computer access 46.3%
Internet access 99.1%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 94939
What city is ZIP code 94939 in?
ZIP code 94939 is primarily assigned to Larkspur, California.
What county is ZIP code 94939 in?
ZIP code 94939 falls within Marin County, California.
How educated is the population of ZIP code 94939?
76% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the median household income in ZIP code 94939?
The median household income in ZIP code 94939 is $156,250, above the national median of ~$75,000.
What is the typical home value in ZIP code 94939?
The median home value in ZIP code 94939 is $2,000,000.
What is the population of ZIP code 94939?
ZIP code 94939 has an estimated population of 7,488 residents, with a density of 3,173 people per square mile.
What timezone is ZIP code 94939 in?
ZIP code 94939 observes the PST timezone.
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