94938 ZIP Code — Lagunitas, CA

Marin County, California

ZIP code 94938 is located in Lagunitas, California, within Marin County. It covers approximately 9.48 square miles and serves a population of 428 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 415/628.

About ZIP code 94938

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $1,132,400. Owner-occupancy sits near the national average at 66%.

Median household income is $111,800. The poverty rate of 5% is below the national average. 57% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 35 minutes is near the national average.

Educational attainment is high — 54% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Notable community characteristics include disability rates above the national average at 24%.

Overall, ZIP code 94938 reflects a community defined by a highly educated population and a significant Social Security-dependent population.

428

population

9.48

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

94938 ZIP code map

Cities in ZIP code 94938

Below are the cities the US Postal Service accepts for ZIP code 94938. Using any city not on this list may result in mail delivery delays.

City	Status
Lagunitas	Acceptable

Demographics updated 06/2026

Population
Total population	428
Population density	45 / sq mi
State FIPS	06
County FIPS	041

Geography
Land area	9.48 sq mi
Water area	0.00 sq mi
Latitude	38.0108
Longitude	-122.7049
Timezone	Pacific (PT)
Area code	415/628

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	27.7%	21.4%	32.6%
$50k – $100k	20.8%	21.0%	27.7%
$100k – $200k	36.5%	27.8%	26.4%
Over $200k	15.0%	29.8%	13.3%

Demographics & statistics

428

Population

People per sq mi

56.5

Median age

$111,800

Median household income

$72,525

Per capita income

$1,132,400

Median home value

$3,501

Median monthly rent

65.8%

Home ownership

5.4%

Poverty rate

9.5%

Unemployment

223

Housing units

54.2%

Bachelor's or higher

Age distribution

Male Female

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	34	7.9%
18 and over	394	92.1%
65 and over	175	40.9%
Median age	56.5 years

Race & ethnicity

White 100%

Group	Count	%
White	428	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	27.7%	21.4%	32.6%
$50k – $100k	20.8%	21.0%	27.7%
$100k – $200k	36.5%	27.8%	26.4%
Over $200k	15.0%	29.8%	13.3%

Under $10k 10.1%

$50k–$75k 10.1%

$75k–$100k 15.4%

$100k–$150k 36.0%

$150k–$200k 12.3%

$200k+ 16.2%

Range	% of households
Under $10k	10.1%
$50k–$75k	10.1%
$75k–$100k	15.4%
$100k–$150k	36.0%
$150k–$200k	12.3%
$200k+	16.2%
Median income	$111,800

Housing

Home values

$500k–$1M 44.0%

$1M+ 56.0%

Housing overview

Metric	Value
Median home value	$1,132,400
Median rent / month	$3,501
Owner occupied	65.8%
Renter occupied	34.2%
Vacant	24.3%
Single-family detached	88.0%
Large apartment buildings	7.6%
Mobile homes	0.0%
Median rooms	4.7
Avg household size (owned)	1.93

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	0.0%
1980–1989	5.6%
1970–1979	10.6%
1960–1969	19.6%
1950–1959	17.6%
1940–1949	0.0%
1939 or earlier	46.5%

Bedrooms

Size	% of units
No bedroom (studio)	31.9%
1 bedroom	0.0%
2 bedrooms	45.8%
3 bedrooms	22.3%
4 bedrooms	0.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	20.2%
1 vehicle	19.7%
2 vehicles	39.5%
3 or more	20.6%

Heating fuel

Fuel type	%
Utility gas	10.1%
Electricity	10.5%
Propane / LP gas	46.9%
Wood	32.5%

Households & families

Household type	Count	%
Married-couple family	83	36.4%
Cohabiting couple	0	0.0%
Male householder, no spouse	58	25.4%
Female householder, no spouse	87	38.2%
Households with children under 18	33	14.5%
Households with seniors (65+)	129	56.6%
Average household size	1.88

Marital status

Status	Male	Female
Never married	30.6%	22.1%
Married	50.0%	34.5%
Separated	0.0%	0.0%
Widowed	8.3%	9.4%
Divorced	11.1%	34.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 8.4%

Some college, no degree 35.3%

Associate's degree 2.1%

Bachelor's degree 31.7%

Graduate / professional 22.5%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	54.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	13	24.5%
High school	21	39.6%
College / grad school	19	35.8%

Employment

Industry of employment

Education & healthcare 40.5%

Professional & management 21.4%

Manufacturing 14.5%

Information 13.6%

Arts, food & hospitality 6.8%

Other services 3.2%

Occupation

Category	%
Management, business & arts	76.8%
Service	8.6%
Sales & office	0.0%
Natural resources & construction	0.0%
Production & transportation	14.5%

Employment type

Type	%
Private sector	54.5%
Government	5.9%
Self-employed	39.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	74.5%
Carpool	5.9%
Public transit	0.0%
Walk	3.2%
Work from home	16.4%
Other means	0.0%
Avg commute (minutes)	35.0

Poverty

All people 5.4%

Under 18 years 0.0%

18 and over 5.8%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	56.6%
Retirement income	30.3%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	26.4%
High blood pressure	28.5%
High cholesterol	31.8%
Diabetes	9.3%
Heart disease	6.1%
Stroke	2.7%
Asthma	10.0%
Arthritis	25.2%
Kidney disease	2.8%
Pulmonary disease	6.2%
Cancer	7.5%

Behavior / access	%
Smoking	10.6%
Binge drinking	17.7%
No physical activity	15.3%
Less than 7 hrs sleep	27.8%
Depression	18.0%
Fair or poor health	11.6%
Poor mental health	13.0%
Poor physical health	9.6%
No health insurance	6.6%
Visited doctor (checkup)	67.3%
Visited dentist	72.2%
Cholesterol screening	94.1%
Teeth loss	7.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

Disability	%
Any disability	23.6%
Under 18	0.0%
18–64 years	26.0%
65 and over	25.1%

Health insurance coverage

Type	%
Private insurance	84.1%
Public insurance	46.3%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	428	100.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	428	100.0%
Born in same state	402	93.9%
Born in different state	171	40.0%
Foreign born	26	6.1%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	71	16.6%
Italian	67	15.7%

Ancestry	Count	%
Arab	22	5.1%

Technology access

Metric	% of households
Computer access	53.3%
Internet access	100.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 94938

What city is ZIP code 94938 in?

ZIP code 94938 is primarily assigned to Lagunitas, California.

What county is ZIP code 94938 in?

ZIP code 94938 falls within Marin County, California.

Does ZIP code 94938 have an older population?

41% of residents in ZIP code 94938 are 65 or older, above the national average of ~17%.

Does ZIP code 94938 have a large retiree population?

57% of households in ZIP code 94938 receive Social Security income, suggesting a significant retiree or disability population.

How educated is the population of ZIP code 94938?

54% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 94938?

The median home value in ZIP code 94938 is $1,132,400.

What timezone is ZIP code 94938 in?

ZIP code 94938 observes the PST timezone.