Cotati ZIP Code List — Sonoma County, CA

There is one unique ZIP code in Cotati, California and it is 94931. Area code: 707.

ZIP codes

7.74

sq mi land

0.01

sq mi water

707

area code

Cotati, CA ZIP code map

About Cotati, CA

Cotati, California, is a vibrant city located in Sonoma County. Known for its rich cultural backdrop and friendly atmosphere, Cotati offers a unique blend of community spirit and suburban charm. Its small-town feel is complemented by a variety of local shops, restaurants, and parks that create an inviting environment for residents and visitors alike.

Location & geography

Cotati is situated in the heart of Sonoma County, approximately 10 miles southwest of Santa Rosa and about 15 miles northeast of Petaluma. The city encompasses a land area of 7.74 square miles and has a tiny water area of 0.01 square miles. The terrain is characterized by rolling hills and open spaces, making it a picturesque location for outdoor activities.

Community & economy

The character of Cotati is defined by its strong sense of community and active participation in local events. The city is home to various industries, including agriculture, retail, and light manufacturing, which contribute to the local economy. Daily life in Cotati is enriched by community festivals, farmers' markets, and art galleries that showcase local talent.

Transportation

Cotati is easily accessible via Highway 101, which connects it to larger cities and regions in California. The nearest airport is the Charles M. Schulz-Sonoma County Airport, located approximately 10 miles away, providing convenient travel options. Public transportation options, including buses, enhance connectivity within the city and to surrounding areas.

History

Cotati was founded in the late 19th century and has a rich history tied to the railroad industry. The city grew rapidly due to its strategic location and became a hub for agricultural production and commerce. Notable events in its history include the annual Cotati Accordion Festival, which celebrates the city's musical roots.

Did you know?

A surprising aspect of Cotati is that it is home to the Cotati City Hall, which was designed in the shape of an accordion, paying homage to the region's musical heritage. The city also boasts a unique roundabout at its center, which is one of the few of its kind in California.

ZIP codes for Cotati, CA (1)

ZIP code	City	County	Map
94931	Cotati	Sonoma	View map

Demographics & statistics

8,945

Population

40.1

Median age

$98,475

Median household income

$50,954

Per capita income

$720,400

Median home value

$1,708

Median monthly rent

60.2%

Home ownership

7.1%

Poverty rate

4.7%

Unemployment

2,428

Housing units

36.4%

Bachelor's or higher

Age distribution

Male Female

276

Under 5

305

235

5–9

260

138

10–14

152

129

15–19

142

335

20–24

372

595

25–34

659

686

35–44

760

414

45–54

458

319

55–59

354

379

60–64

421

428

65–74

475

248

75–84

274

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,558	17.4%
18 and over	7,387	82.6%
65 and over	1,556	17.4%
Median age	40.1 years

Race & ethnicity

White 69.3%

Two or more races 10.9%

Hispanic or Latino 10.3%

Other race 4.9%

American Indian / Alaska Native 2.1%

Asian 1.6%

Black or African American 0.7%

Native Hawaiian / Pacific Islander 0.2%

Group	Count	%
White	6,915	69.3%
Two or more races	1,084	10.9%
Hispanic or Latino	1,032	10.3%
Other race	488	4.9%
American Indian / Alaska Native	213	2.1%
Asian	160	1.6%
Black or African American	68	0.7%
Native Hawaiian / Pacific Islander	17	0.2%

Household income

Under $10k 3.4%

$10k–$15k 4.2%

$15k–$25k 2.1%

$25k–$35k 5.3%

$35k–$50k 11.1%

$50k–$75k 12.7%

$75k–$100k 12.1%

$100k–$150k 20.6%

$150k–$200k 12.8%

$200k+ 15.8%

Range	% of households
Under $10k	3.4%
$10k–$15k	4.2%
$15k–$25k	2.1%
$25k–$35k	5.3%
$35k–$50k	11.1%
$50k–$75k	12.7%
$75k–$100k	12.1%
$100k–$150k	20.6%
$150k–$200k	12.8%
$200k+	15.8%
Median income	$98,475

Housing

Home values

Under $50k 2.0%

$50k–$100k 0.4%

$100k–$150k 3.8%

$150k–$200k 1.4%

$200k–$300k 1.6%

$300k–$500k 13.6%

$500k–$1M 57.9%

$1M+ 19.2%

Housing overview

Metric	Value
Median home value	$720,400
Median rent / month	$1,708
Owner occupied	60.2%
Renter occupied	39.8%
Vacant	3.8%
Single-family detached	62.6%
Large apartment buildings	5.9%
Mobile homes	2.3%
Median rooms	4.9
Avg household size (owned)	2.55

Year built

Era	%
2020 or later	0.7%
2010–2019	2.4%
2000–2009	10.8%
1990–1999	12.3%
1980–1989	28.2%
1970–1979	23.3%
1960–1969	5.9%
1950–1959	12.1%
1940–1949	1.8%
1939 or earlier	2.7%

Bedrooms

Size	% of units
No bedroom (studio)	2.0%
1 bedroom	16.2%
2 bedrooms	28.4%
3 bedrooms	37.9%
4 bedrooms	14.1%
5+ bedrooms	1.5%

Vehicles per household

Vehicles	% of households
No vehicle	2.7%
1 vehicle	32.3%
2 vehicles	42.0%
3 or more	23.0%

Heating fuel

Fuel type	%
Utility gas	65.7%
Electricity	25.4%
Propane / LP gas	1.7%
Wood	5.0%
Solar	1.3%
No fuel used	0.7%

Households & families

Household type	Count	%
Married-couple family	1,655	43.7%
Cohabiting couple	278	7.3%
Male householder, no spouse	734	19.4%
Female householder, no spouse	1,116	29.5%
Households with children under 18	931	24.6%
Households with seniors (65+)	1,179	31.2%
Average household size	2.36

Marital status

Status	Male	Female
Never married	36.9%	27.9%
Married	53.3%	47.2%
Separated	0.0%	1.3%
Widowed	3.3%	7.7%
Divorced	6.4%	16.0%

Education

Less than 9th grade 2.5%

Some HS, no diploma 1.8%

HS graduate 19.7%

Some college, no degree 28.8%

Associate's degree 10.9%

Bachelor's degree 25.5%

Graduate / professional 10.9%

Metric	%
HS diploma or higher	95.7%
Bachelor's or higher	36.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	186	10.5%
Kindergarten	144	8.1%
Elementary school	549	31.0%
High school	303	17.1%
College / grad school	589	33.3%

Employment

Industry of employment

Education & healthcare 21.6%

Retail trade 13.7%

Manufacturing 12.8%

Construction 12.5%

Professional & management 8.7%

Arts, food & hospitality 7.4%

Transportation & utilities 5.2%

Other services 4.5%

Public administration 3.9%

Finance & real estate 3.7%

Agriculture & mining 2.5%

Wholesale trade 2.3%

Information 1.0%

Occupation

Category	%
Management, business & arts	45.2%
Service	13.6%
Sales & office	21.2%
Natural resources & construction	10.1%
Production & transportation	9.9%

Employment type

Type	%
Private sector	79.2%
Government	13.6%
Self-employed	7.1%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	73.9%
Carpool	7.0%
Public transit	3.1%
Walk	0.8%
Other means	2.7%
Avg commute (minutes)	27.8

Poverty

All people 7.1%

Under 18 years 5.2%

18 and over 7.4%

Married-couple families 1.9%

Female-led households 4.9%

Income support

Source	% of households
Social Security	31.8%
Retirement income	25.7%
Supplemental Security	5.7%
Cash public assistance	3.0%
Food stamps / SNAP	8.4%

Health indicators

Condition	%
High blood pressure	25.5%
High cholesterol	26.5%
Heart disease	4.9%
Stroke	2.4%
Asthma	10.5%
Arthritis	21.3%
Kidney disease	2.4%
Pulmonary disease	5.9%
Cancer	5.6%

Behavior / access	%
Binge drinking	20.6%
No physical activity	18.3%
Less than 7 hrs sleep	30.1%
Fair or poor health	12.5%
Poor mental health	15.4%
Poor physical health	9.7%
No health insurance	9.9%
Visited doctor (checkup)	63.1%
Visited dentist	64.3%
Cholesterol screening	90.2%
Teeth loss	10.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	505	6.8%

Disability	%
Any disability	10.7%
Under 18	1.5%
18–64 years	7.9%
65 and over	30.1%

Health insurance coverage

Type	%
Private insurance	81.3%
Public insurance	30.3%
Uninsured under 19	0.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	8,364	93.5%
Spanish	600	7.2%
Other Indo-European	487	5.8%
Asian & Pacific Islander	75	0.9%
Other languages	38	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	8,101	90.6%
Born in same state	8,031	89.8%
Born in different state	6,081	68.0%
Foreign born	70	0.8%
Naturalized citizen	844	9.4%
Not a US citizen	482	57.1%

Ancestry

Ancestry	Count	%
Italian	1,711	19.1%
French	1,180	13.2%
English	152	1.7%
Arab	132	1.5%
Dutch	93	1%

Ancestry	Count	%
Polish	64	0.7%
Irish	30	0.3%
German	25	0.3%
Norwegian	14	0.2%

Technology access

Metric	% of households
Computer access	42.3%
Internet access	97.1%

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

Frequently asked questions

What is the ZIP code for Cotati, CA?

Cotati, CA has one ZIP code: 94931.

What is the main ZIP code for Cotati, CA?

The primary ZIP code for Cotati, CA is 94931. The city uses area code 707 for phone service.

What county is Cotati, CA in?

Cotati is located in Sonoma County, California.

How many ZIP codes are in Cotati, CA?

Cotati, CA has 1 ZIP code.

What ZIP code covers downtown Cotati and the Cotati Plaza area?

Downtown Cotati and the Cotati Plaza shopping area are located in ZIP code 94931, which serves as the primary commercial and civic center of the city.

What is the ZIP code for the residential neighborhoods around Cotati's town square?

The residential areas surrounding Cotati's historic town square are all within ZIP code 94931, which encompasses the entire incorporated city of Cotati in Sonoma County.