Mill Valley ZIP Code List — Marin County, CA

There are 2 unique ZIP codes in Mill Valley, California. Area code: 415/628.

ZIP codes

37.71

sq mi land

1.35

sq mi water

415/628

area code

Mill Valley, CA ZIP code map

About Mill Valley, CA

Mill Valley, California, is a picturesque city nestled in Marin County, known for its serene surroundings and vibrant community. The city features a rich cultural scene and an abundance of outdoor activities, attracting both residents and visitors alike. With its charming downtown area and stunning views of the surrounding hills, Mill Valley exemplifies the quintessential California lifestyle.

Location & geography

Mill Valley lies approximately 14 miles north of San Francisco, providing easy access to the Bay Area while maintaining a tranquil, suburban atmosphere. Nearby cities include Sausalito to the south, which is about 7 miles away, and San Rafael to the north, approximately 8 miles distant. The city covers a total land area of 37.71 square miles, with 1.35 square miles designated as water, featuring lush hillsides and beautiful natural vistas.

Community & economy

The character of Mill Valley is defined by its close-knit community and engagement in local arts and culture. The economy is supported by a blend of small businesses, retail shops, and technology companies, with many residents commuting to nearby San Francisco for work. Daily life in Mill Valley is enriched by a strong emphasis on sustainability, outdoor recreation, and community events that foster collaboration among residents.

Transportation

Mill Valley is accessed primarily via U.S. Highway 101, providing convenient connections to San Francisco and other parts of the Bay Area. The closest major airport is San Francisco International Airport, located about 20 miles to the south of the city. Public transportation options include bus services that help residents and visitors navigate the region without the need for a personal vehicle.

History

Mill Valley was founded in the late 1800s and quickly became a popular retreat for artists and writers, capitalizing on its scenic beauty and tranquil atmosphere. The city's economy historically centered around the lumber industry before evolving into a community that values arts and culture, with events like the Mill Valley Film Festival showcasing its rich heritage. Throughout the years, Mill Valley has maintained its charm while adapting to modernization and growth.

Did you know?

One surprising fact about Mill Valley is that it was once home to a thriving redwood lumber industry, which is now a distant memory, but has given way to a lush urban forest. Additionally, Mill Valley has been a filming location for numerous movies and TV series, owing to its stunning landscapes and charming architecture.

ZIP codes for Mill Valley, CA (2)

ZIP code	City	County	Map
94941	Mill Valley	Marin	View map
94942	Mill Valley	Marin	View map

Demographics & statistics

32,190

Population

46.0

Median age

$206,580

Median household income

$112,930

Per capita income

$1,798,100

Median home value

$2,853

Median monthly rent

67.4%

Home ownership

5.5%

Poverty rate

6.0%

Unemployment

9,584

Housing units

77.7%

Bachelor's or higher

Age distribution

Male Female

713

Under 5

819

918

5–9

1,056

1,106

10–14

1,272

1,173

15–19

1,348

507

20–24

583

1,079

25–34

1,241

1,761

35–44

2,025

2,601

45–54

2,990

1,242

55–59

1,428

896

60–64

1,030

1,735

65–74

1,995

902

75–84

1,036

341

85+

393

← Male

Female →

Age summary

Group	Count	%
Under 18	7,637	23.7%
18 and over	24,553	76.3%
65 and over	6,402	19.9%
Median age	46.0 years

Race & ethnicity

White 79.3%

Two or more races 7.1%

Asian 6.2%

Hispanic or Latino 4.4%

Other race 1.7%

Black or African American 1.2%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	26,715	79.3%
Two or more races	2,393	7.1%
Asian	2,083	6.2%
Hispanic or Latino	1,487	4.4%
Other race	571	1.7%
Black or African American	406	1.2%
Native Hawaiian / Pacific Islander	22	0.1%

Household income

Under $10k 2.8%

$10k–$15k 2.2%

$15k–$25k 2.5%

$25k–$35k 2.1%

$35k–$50k 2.6%

$50k–$75k 8.4%

$75k–$100k 6.3%

$100k–$150k 10.5%

$150k–$200k 11.5%

$200k+ 51.1%

Range	% of households
Under $10k	2.8%
$10k–$15k	2.2%
$15k–$25k	2.5%
$25k–$35k	2.1%
$35k–$50k	2.6%
$50k–$75k	8.4%
$75k–$100k	6.3%
$100k–$150k	10.5%
$150k–$200k	11.5%
$200k+	51.1%
Median income	$206,580

Housing

Home values

Under $50k 1.4%

$100k–$150k 0.3%

$150k–$200k 0.6%

$200k–$300k 1.0%

$300k–$500k 0.5%

$500k–$1M 7.7%

$1M+ 88.5%

Housing overview

Metric	Value
Median home value	$1,798,100
Median rent / month	$2,853
Owner occupied	67.4%
Renter occupied	32.6%
Vacant	9.1%
Single-family detached	72.6%
Large apartment buildings	4.1%
Mobile homes	0.0%
Median rooms	5.6
Avg household size (owned)	2.78

Year built

Era	%
2020 or later	0.4%
2010–2019	2.7%
2000–2009	2.7%
1990–1999	3.3%
1980–1989	9.7%
1970–1979	18.7%
1960–1969	15.4%
1950–1959	20.1%
1940–1949	11.0%
1939 or earlier	16.0%

Bedrooms

Size	% of units
No bedroom (studio)	3.4%
1 bedroom	14.5%
2 bedrooms	18.8%
3 bedrooms	34.1%
4 bedrooms	22.3%
5+ bedrooms	7.0%

Vehicles per household

Vehicles	% of households
No vehicle	3.6%
1 vehicle	29.6%
2 vehicles	43.5%
3 or more	23.3%

Heating fuel

Fuel type	%
Utility gas	75.1%
Electricity	22.4%
Propane / LP gas	1.0%
Wood	0.1%
Solar	1.2%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	6,942	56.0%
Cohabiting couple	745	6.0%
Male householder, no spouse	1,472	11.9%
Female householder, no spouse	3,229	26.1%
Households with children under 18	4,401	35.5%
Households with seniors (65+)	4,649	37.5%
Average household size	2.57

Marital status

Status	Male	Female
Never married	27.1%	26.5%
Married	60.9%	48.9%
Separated	1.0%	1.0%
Widowed	1.8%	6.5%
Divorced	9.2%	17.0%

Education

Less than 9th grade 0.5%

Some HS, no diploma 0.8%

HS graduate 6.2%

Some college, no degree 11.2%

Associate's degree 3.7%

Bachelor's degree 38.0%

Graduate / professional 39.7%

Metric	%
HS diploma or higher	98.8%
Bachelor's or higher	77.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	612	7.4%
Kindergarten	391	4.8%
Elementary school	3,379	41.1%
High school	2,383	29.0%
College / grad school	1,455	17.7%

Employment

Industry of employment

Professional & management 23.6%

Education & healthcare 22.2%

Finance & real estate 13.4%

Retail trade 8.6%

Arts, food & hospitality 8.3%

Manufacturing 4.9%

Information 4.6%

Other services 4.3%

Construction 3.2%

Public administration 2.5%

Wholesale trade 2.4%

Transportation & utilities 1.7%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	70.9%
Service	8.4%
Sales & office	15.8%
Natural resources & construction	2.3%
Production & transportation	2.5%

Employment type

Type	%
Private sector	76.2%
Government	11.0%
Self-employed	12.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	52.6%
Carpool	6.7%
Public transit	5.9%
Walk	3.2%
Other means	1.7%
Avg commute (minutes)	31.6

Poverty

All people 5.5%

Under 18 years 3.8%

18 and over 6.0%

Married-couple families 2.2%

Female-led households 12.6%

Income support

Source	% of households
Social Security	32.6%
Retirement income	21.3%
Supplemental Security	2.7%
Cash public assistance	1.9%
Food stamps / SNAP	1.8%

Health indicators

Condition	%
High blood pressure	25.7%
High cholesterol	31.5%
Heart disease	5.1%
Stroke	2.2%
Asthma	9.0%
Arthritis	22.6%
Kidney disease	2.4%
Pulmonary disease	4.4%
Cancer	7.8%

Behavior / access	%
Binge drinking	17.2%
No physical activity	12.1%
Less than 7 hrs sleep	25.6%
Fair or poor health	8.3%
Poor mental health	11.0%
Poor physical health	7.3%
No health insurance	5.0%
Visited doctor (checkup)	68.0%
Visited dentist	78.5%
Cholesterol screening	95.3%
Teeth loss	4.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	636	2.6%

Disability	%
Any disability	7.1%
Under 18	2.1%
18–64 years	4.1%
65 and over	21.7%

Health insurance coverage

Type	%
Private insurance	87.0%
Public insurance	25.4%
Uninsured under 19	0.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	30,658	95.2%
Spanish	882	2.9%
Other Indo-European	153	0.5%
Asian & Pacific Islander	314	1.0%
Other languages	389	1.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	27,344	84.9%
Born in same state	26,508	82.3%
Born in different state	14,796	46.0%
Foreign born	836	2.6%
Naturalized citizen	4,846	15.1%
Not a US citizen	3,251	67.1%

Ancestry

Ancestry	Count	%
French	4,873	15.1%
Italian	3,761	11.7%
Arab	980	3%
Polish	734	2.3%
Norwegian	721	2.2%

Ancestry	Count	%
Dutch	363	1.1%
Irish	351	1.1%
English	282	0.9%
German	155	0.5%

Technology access

Metric	% of households
Computer access	38.5%
Internet access	98.7%

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

Frequently asked questions

What is the ZIP code for Mill Valley, CA?

Mill Valley, CA has one ZIP code: 94941.

What is the main ZIP code for Mill Valley, CA?

The primary ZIP code for Mill Valley, CA is 94941. The city uses area code 415 or 628 for phone service.

What county is Mill Valley, CA in?

Mill Valley is located in Marin County, California.

How many ZIP codes are in Mill Valley, CA?

Mill Valley, CA has 1 ZIP code.

What ZIP code covers downtown Mill Valley and the areas around the Mill Valley Plaza?

Downtown Mill Valley and the Mill Valley Plaza area are located in ZIP code 94941, which serves as the primary ZIP code for the city's central business district and main shopping areas.

What is the ZIP code for the Strawberry neighborhood and waterfront areas of Mill Valley?

The Strawberry neighborhood and Mill Valley's waterfront areas along Richardson Bay are served by ZIP code 94941, which encompasses the entire city of Mill Valley.