94946 ZIP Code — Nicasio, CA

Marin County, California

ZIP code 94946 is located in Nicasio, California, within Marin County. It covers approximately 37.22 square miles and serves a population of 673 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 415/628.

About ZIP code 94946

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $2,000,000. Owner-occupancy is high at 76%, well above the national average.

The gap between median ($125,179) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average. 48% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. An above-average commute of 38 minutes suggests many residents work outside the immediate area. Remote work is prevalent — 23% of workers work from home.

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

Overall, ZIP code 94946 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

673

population

37.22

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

94946 ZIP code map

Cities in ZIP code 94946

Below are the cities the US Postal Service accepts for ZIP code 94946. Using any city not on this list may result in mail delivery delays.

City	Status
Nicasio	Preferred

Nearby ZIP codes

94956 Point Reyes Station (5.3 mi) 94930 Fairfax (5.8 mi) 94947 Novato (7 mi) 94960 San Anselmo (7.3 mi) 94924 Bolinas (7.3 mi) 94970 Stinson Beach (8.6 mi) 94998 Novato (8.7 mi) 94949 Novato (8.9 mi) 94903 San Rafael (8.9 mi) 94945 Novato (10.4 mi) 94901 San Rafael (11.7 mi) 94901 San Rafael (11.7 mi)

Demographics updated 06/2026

Population
Total population	673
Population density	18 / sq mi
State FIPS	06
County FIPS	041

Geography
Land area	37.22 sq mi
Water area	1.37 sq mi
Latitude	38.0373
Longitude	-122.7021
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	18.3%	21.4%	32.6%
$50k – $100k	27.1%	21.0%	27.7%
$100k – $200k	21.6%	27.8%	26.4%
Over $200k	33.0%	29.8%	13.3%

Demographics & statistics

673

Population

People per sq mi

55.5

Median age

$125,179

Median household income

$109,320

Per capita income

$2,000,000

Median home value

$2,025

Median monthly rent

75.8%

Home ownership

5.1%

Poverty rate

4.1%

Unemployment

243

Housing units

54.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	75	11.1%
18 and over	598	88.9%
65 and over	225	33.4%
Median age	55.5 years

Race & ethnicity

White 87.2%

Hispanic or Latino 3.3%

Asian 2.7%

Black or African American 2.2%

Two or more races 2.2%

Other race 2.2%

American Indian / Alaska Native 0.3%

Group	Count	%
White	607	87.2%
Hispanic or Latino	23	3.3%
Asian	19	2.7%
Black or African American	15	2.2%
Two or more races	15	2.2%
Other race	15	2.2%
American Indian / Alaska Native	2	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	18.3%	21.4%	32.6%
$50k – $100k	27.1%	21.0%	27.7%
$100k – $200k	21.6%	27.8%	26.4%
Over $200k	33.0%	29.8%	13.3%

Under $10k 0.7%

$10k–$15k 1.7%

$15k–$25k 3.1%

$25k–$35k 1.0%

$35k–$50k 14.7%

$50k–$75k 7.8%

$75k–$100k 11.3%

$100k–$150k 15.4%

$150k–$200k 8.2%

$200k+ 36.2%

Range	% of households
Under $10k	0.7%
$10k–$15k	1.7%
$15k–$25k	3.1%
$25k–$35k	1.0%
$35k–$50k	14.7%
$50k–$75k	7.8%
$75k–$100k	11.3%
$100k–$150k	15.4%
$150k–$200k	8.2%
$200k+	36.2%
Median income	$125,179

Housing

Home values

Under $50k 0.9%

$500k–$1M 10.4%

$1M+ 88.7%

Housing overview

Metric	Value
Median home value	$2,000,000
Median rent / month	$2,025
Owner occupied	75.8%
Renter occupied	24.2%
Vacant	6.7%
Single-family detached	93.9%
Large apartment buildings	1.0%
Mobile homes	1.6%
Median rooms	5.5
Avg household size (owned)	2.45

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	7.0%
1990–1999	15.9%
1980–1989	17.8%
1970–1979	29.0%
1960–1969	8.0%
1950–1959	2.9%
1940–1949	2.2%
1939 or earlier	17.2%

Bedrooms

Size	% of units
No bedroom (studio)	2.2%
1 bedroom	15.0%
2 bedrooms	26.8%
3 bedrooms	31.5%
4 bedrooms	14.3%
5+ bedrooms	10.2%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	17.1%
2 vehicles	47.8%
3 or more	35.2%

Heating fuel

Fuel type	%
Utility gas	4.1%
Electricity	15.7%
Propane / LP gas	66.9%
Fuel oil	1.0%
Wood	9.6%
Solar	1.7%

Households & families

Household type	Count	%
Married-couple family	148	50.5%
Cohabiting couple	26	8.9%
Male householder, no spouse	40	13.7%
Female householder, no spouse	79	27.0%
Households with children under 18	44	15.0%
Households with seniors (65+)	160	54.6%
Average household size	2.30

Marital status

Status	Male	Female
Never married	33.6%	23.3%
Married	51.3%	48.5%
Separated	1.3%	2.6%
Widowed	1.6%	3.2%
Divorced	12.2%	22.3%

Education

Less than 9th grade 0.7%

Some HS, no diploma 1.4%

HS graduate 12.8%

Some college, no degree 27.2%

Associate's degree 3.7%

Bachelor's degree 26.0%

Graduate / professional 28.1%

Metric	%
HS diploma or higher	97.9%
Bachelor's or higher	54.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	43	40.2%
High school	38	35.5%
College / grad school	26	24.3%

Employment

Industry of employment

Professional & management 22.9%

Education & healthcare 17.3%

Arts, food & hospitality 13.0%

Agriculture & mining 11.2%

Retail trade 8.1%

Construction 6.1%

Finance & real estate 4.6%

Information 4.3%

Wholesale trade 2.8%

Public administration 2.8%

Other services 2.5%

Transportation & utilities 2.3%

Manufacturing 2.0%

Occupation

Category	%
Management, business & arts	58.0%
Service	16.8%
Sales & office	14.8%
Natural resources & construction	6.6%
Production & transportation	3.8%

Employment type

Type	%
Private sector	66.2%
Government	7.1%
Self-employed	26.2%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	63.7%
Carpool	3.0%
Public transit	0.8%
Walk	8.1%
Work from home	22.9%
Other means	1.5%
Avg commute (minutes)	38.2

Poverty

All people 5.1%

Under 18 years 0.0%

18 and over 5.7%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	47.8%
Retirement income	22.2%
Supplemental Security	8.9%
Cash public assistance	2.0%
Food stamps / SNAP	2.4%

Health indicators

Condition	%
Obesity	26.1%
High blood pressure	28.1%
High cholesterol	32.4%
Diabetes	9.2%
Heart disease	5.9%
Stroke	2.6%
Asthma	9.7%
Arthritis	24.4%
Kidney disease	2.7%
Pulmonary disease	6.0%
Cancer	7.3%

Behavior / access	%
Smoking	10.5%
Binge drinking	18.0%
No physical activity	15.1%
Less than 7 hrs sleep	27.7%
Depression	17.6%
Fair or poor health	11.2%
Poor mental health	12.8%
Poor physical health	9.3%
No health insurance	7.1%
Visited doctor (checkup)	66.8%
Visited dentist	72.4%
Cholesterol screening	94.0%
Teeth loss	7.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	22	3.7%

Disability	%
Any disability	11.6%
Under 18	8.0%
18–64 years	6.8%
65 and over	20.4%

Health insurance coverage

Type	%
Private insurance	71.8%
Public insurance	49.1%
No insurance	2.9%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	662	98.4%
Spanish	27	4.1%
Other Indo-European	21	3.2%
Asian & Pacific Islander	0	0.0%
Other languages	6	0.9%

Place of birth & citizenship

Origin	Count	%
Native born (US)	591	87.8%
Born in same state	582	86.5%
Born in different state	377	56.0%
Foreign born	9	1.3%
Naturalized citizen	82	12.2%
Not a US citizen	64	78.0%

Ancestry

Ancestry	Count	%
French	62	9.2%
Italian	61	9.1%
Polish	11	1.6%
Norwegian	6	0.9%

Ancestry	Count	%
Dutch	5	0.7%
Arab	5	0.7%
Irish	2	0.3%
English	2	0.3%

Technology access

Metric	% of households
Computer access	43.5%
Internet access	96.2%

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

Frequently asked questions about ZIP code 94946

What city is ZIP code 94946 in?

ZIP code 94946 is primarily assigned to Nicasio, California.

What county is ZIP code 94946 in?

ZIP code 94946 falls within Marin County, California.

Does ZIP code 94946 have an older population?

33% of residents in ZIP code 94946 are 65 or older, above the national average of ~17%.

Does ZIP code 94946 have a large retiree population?

48% of households in ZIP code 94946 receive Social Security income, suggesting a significant retiree or disability population.

How educated is the population of ZIP code 94946?

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 median household income in ZIP code 94946?

The median household income in ZIP code 94946 is $125,179, above the national median of ~$75,000.

What timezone is ZIP code 94946 in?

ZIP code 94946 observes the PST timezone.