Fairfax ZIP Code List — Marin County, CA

There are 2 unique ZIP codes in Fairfax, California. Area code: 415.
2
ZIP codes
14.24
sq mi land
0.44
sq mi water
415
area code
Fairfax, CA ZIP code map

About Fairfax, CA

Fairfax, California, is a charming small town located in Marin County. It is known for its picturesque landscapes and a strong sense of community. Nestled in the heart of the North Bay, Fairfax offers a unique blend of natural beauty and vibrant local culture.

Location & geography

Fairfax is situated approximately 11 miles north of San Francisco and is surrounded by the stunning hills of Marin County. The town covers a land area of 14.24 square miles, with a modest water area of 0.44 square miles. This scenic locale is not only rich in natural terrain but also invites residents and visitors to explore various outdoor recreational activities.

Community & economy

The character of Fairfax is shaped by its artistic community, which prides itself on a laid-back lifestyle and a deep appreciation for the arts. The town is also home to several local businesses, including shops, cafes, and restaurants that contribute to its vibrant economy. Daily life in Fairfax often revolves around the welcoming community events, farmer’s markets, and outdoor recreational opportunities in the surrounding hills.

Transportation

Fairfax is accessible via Sir Francis Drake Boulevard, which connects residents to major highways such as U.S. Route 101. The nearest major airport is San Francisco International Airport, located about 22 miles south of the town. Public transit options include bus services that link Fairfax to various neighboring communities.

History

Fairfax was founded in the late 19th century and has a rich history tied to the logging industry that was prevalent in the region. Over the years, the town has transformed into a residential community emphasizing sustainability and environmental awareness. Notable events include the annual Fairfax Festival, which celebrates the town's unique culture and artistry.

Did you know?

One surprising fact about Fairfax is its dedication to maintaining a quaint, small-town atmosphere despite being close to urban areas. The town also hosts one of the few remaining drive-in movie theaters in the San Francisco Bay Area.

ZIP codes for Fairfax, CA (2)
ZIP code City County Map
94930 Fairfax Marin View map
94978 Fairfax Marin View map

Demographics & statistics

8,748
Population
47.3
Median age
$129,839
Median household income
$68,225
Per capita income
$1,056,100
Median home value
$2,301
Median monthly rent
66.2%
Home ownership
8.8%
Poverty rate
10.1%
Unemployment
2,747
Housing units
68.2%
Bachelor's or higher

Age distribution

Male Female
206
Under 5
221
144
5–9
156
241
10–14
260
270
15–19
290
227
20–24
244
365
25–34
394
476
35–44
513
781
45–54
841
344
55–59
371
288
60–64
310
530
65–74
571
274
75–84
295
65
85+
71
← Male
Female →

Age summary

GroupCount%
Under 181,58418.1%
18 and over7,16481.9%
65 and over1,80620.6%
Median age47.3 years

Race & ethnicity

White 81.9%
Two or more races 5.7%
Hispanic or Latino 5%
Other race 2.6%
Asian 2.3%
Native Hawaiian / Pacific Islander 1.2%
Black or African American 1.2%
American Indian / Alaska Native 0.1%
GroupCount%
White7,53881.9%
Two or more races5295.7%
Hispanic or Latino4585%
Other race2432.6%
Asian2092.3%
Native Hawaiian / Pacific Islander1141.2%
Black or African American1101.2%
American Indian / Alaska Native50.1%

Household income

Under $10k 5.6%
$10k–$15k 1.3%
$15k–$25k 3.3%
$25k–$35k 6.8%
$35k–$50k 6.6%
$50k–$75k 8.7%
$75k–$100k 8.1%
$100k–$150k 16.4%
$150k–$200k 14.6%
$200k+ 28.5%
Range% of households
Under $10k5.6%
$10k–$15k1.3%
$15k–$25k3.3%
$25k–$35k6.8%
$35k–$50k6.6%
$50k–$75k8.7%
$75k–$100k8.1%
$100k–$150k16.4%
$150k–$200k14.6%
$200k+28.5%
Median income$129,839

Housing

Home values

$300k–$500k 1.6%
$500k–$1M 42.4%
$1M+ 56.0%

Housing overview

MetricValue
Median home value$1,056,100
Median rent / month$2,301
Owner occupied66.2%
Renter occupied33.8%
Vacant8.4%
Single-family detached69.6%
Large apartment buildings5.4%
Mobile homes0.2%
Median rooms4.8
Avg household size (owned)2.57

Year built

Era%
2020 or later0.0%
2010–20190.5%
2000–20090.4%
1990–19992.0%
1980–19894.9%
1970–197916.0%
1960–196912.6%
1950–195916.9%
1940–19499.5%
1939 or earlier37.2%

Bedrooms

Size% of units
No bedroom (studio)3.3%
1 bedroom16.6%
2 bedrooms30.4%
3 bedrooms39.4%
4 bedrooms7.7%
5+ bedrooms2.6%

Vehicles per household

Vehicles% of households
No vehicle2.5%
1 vehicle32.0%
2 vehicles47.6%
3 or more17.8%

Heating fuel

Fuel type%
Utility gas80.0%
Electricity17.0%
Propane / LP gas0.3%
Wood0.7%
Solar0.7%
No fuel used1.4%

Households & families

Household typeCount%
Married-couple family1,75048.0%
Cohabiting couple37110.2%
Male householder, no spouse52514.4%
Female householder, no spouse1,00227.5%
Households with children under 1892625.4%
Households with seniors (65+)1,32236.2%
Average household size2.39

Marital status

StatusMaleFemale
Never married33.2%33.6%
Married49.4%45.9%
Separated0.3%1.1%
Widowed3.0%4.6%
Divorced14.1%14.8%

Education

Less than 9th grade 0.0%
Some HS, no diploma 2.2%
HS graduate 7.3%
Some college, no degree 16.2%
Associate's degree 6.1%
Bachelor's degree 40.6%
Graduate / professional 27.6%
Metric%
HS diploma or higher97.8%
Bachelor's or higher68.2%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1588.1%
Kindergarten502.6%
Elementary school66534.0%
High school59730.5%
College / grad school48624.8%

Employment

Industry of employment

Professional & management 22.0%
Education & healthcare 20.8%
Arts, food & hospitality 9.7%
Finance & real estate 8.8%
Retail trade 8.2%
Other services 7.8%
Construction 6.8%
Information 4.1%
Transportation & utilities 2.9%
Public administration 2.8%
Wholesale trade 2.7%
Manufacturing 2.6%
Agriculture & mining 0.8%

Occupation

Category%
Management, business & arts58.9%
Service14.6%
Sales & office15.6%
Natural resources & construction6.7%
Production & transportation4.3%

Employment type

Type%
Private sector70.8%
Government10.6%
Self-employed17.2%
Unpaid family workers1.3%

Commute

Method%
Drive alone51.0%
Carpool4.6%
Public transit3.0%
Walk5.1%
Other means4.7%
Avg commute (minutes)31.3

Poverty

All people 8.8%
Under 18 years 6.5%
18 and over 9.3%
Married-couple families 0.5%
Female-led households 21.8%

Income support

Source% of households
Social Security29.6%
Retirement income24.8%
Supplemental Security2.3%
Cash public assistance2.9%
Food stamps / SNAP6.4%

Health indicators

Condition%
High blood pressure25.5%
High cholesterol31.0%
Heart disease5.0%
Stroke2.2%
Asthma9.5%
Arthritis22.6%
Kidney disease2.4%
Pulmonary disease5.0%
Cancer7.1%
Behavior / access%
Binge drinking18.7%
No physical activity13.3%
Less than 7 hrs sleep27.0%
Fair or poor health9.5%
Poor mental health12.4%
Poor physical health8.1%
No health insurance6.0%
Visited doctor (checkup)66.5%
Visited dentist75.6%
Cholesterol screening94.4%
Teeth loss6.0%

Veterans & disability

VeteransCount%
Civilian veterans2563.6%
Disability%
Any disability9.2%
Under 180.0%
18–64 years3.1%
65 and over35.4%

Health insurance coverage

Type%
Private insurance82.9%
Public insurance30.1%
Uninsured under 193.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only8,32195.1%
Spanish2533.0%
Other Indo-European2072.5%
Asian & Pacific Islander100.1%
Other languages360.4%

Place of birth & citizenship

OriginCount%
Native born (US)7,83089.5%
Born in same state7,69888.0%
Born in different state4,97556.9%
Foreign born1321.5%
Naturalized citizen91810.5%
Not a US citizen63569.2%

Ancestry

AncestryCount%
French1,75220%
Italian97611.2%
Polish3644.2%
Irish1661.9%
AncestryCount%
Arab1561.8%
Dutch600.7%
English210.2%

Technology access

Metric% of households
Computer access41.7%
Internet access97.8%

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

Frequently asked questions
What is the ZIP code for Fairfax, CA?
Fairfax, CA has one ZIP code: 94930.
What is the main ZIP code for Fairfax, CA?
The primary ZIP code for Fairfax, CA is 94930. The city uses area code 415 for phone service.
What county is Fairfax, CA in?
Fairfax is located in Marin County, California.
How many ZIP codes are in Fairfax, CA?
Fairfax, CA has 1 ZIP code.
What ZIP code should I use for mailing packages to downtown Fairfax near the Town Green?
Downtown Fairfax and the Town Green area use ZIP code 94930, which serves the central business district of this Marin County community.
What is the ZIP code for the Fairfax-San Anselmo area along Highway 101?
The Fairfax area adjacent to San Anselmo and near Highway 101 is serviced by ZIP code 94930, which covers the entire incorporated town of Fairfax.
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