Clayton ZIP Codes — Contra Costa County, CA

There is one unique ZIP code in Clayton, California and it is 94517. Area code: 925.

ZIP codes

47.73

sq mi land

0.00

sq mi water

925

area code

Clayton, CA ZIP code map

About Clayton, CA

Clayton, California, is a charming city located in the heart of Contra Costa County. Known for its picturesque views and friendly community, Clayton offers a small-town atmosphere with close proximity to urban amenities. The city is a hidden gem that attracts visitors with its beautiful landscapes and local events throughout the year.

Location & geography

Situated in Northern California, Clayton is approximately 10 miles northeast of Concord and 16 miles northwest of Antioch. The city spans a land area of 47.73 square miles and uniquely has 0.00 square miles designated as water. Its terrain features rolling hills and scenic vistas, making it a perfect spot for outdoor adventures.

Community & economy

The character of Clayton is defined by its tight-knit community, where residents take pride in their local heritage and events. The city has a diverse mix of industries, including retail, healthcare, and education, contributing to a vibrant local economy. Daily life in Clayton reflects a blend of suburban tranquility and outdoor activities, with numerous parks and recreational options available.

Transportation

Clayton is accessible via major highways, including State Route 4, which connects it to larger cities in the region. The nearest airport is the Buchanan Field Airport, located in Concord, which offers general aviation services. Public transit options are available, providing residents and visitors with easy access to surrounding areas.

History

Clayton was officially incorporated in 1964, showcasing a rich history linked to agriculture and mining. Over the years, the city has developed from a small agricultural community into a desirable suburban locale. Notable events, such as the annual Clayton Rodeo, highlight the city's cultural heritage and community spirit.

Did you know?

A surprising fact about Clayton is that it has one of the largest ZIP code areas in California despite its small population. Additionally, the city is surrounded by stunning natural landscapes, including the nearby Mount Diablo State Park, making it a popular destination for outdoor enthusiasts.

ZIP codes for Clayton, CA (1)

ZIP code	City	County	Map
94517	Clayton	Contra Costa	View map

Demographics & statistics

12,349

Population

43.8

Median age

$156,870

Median household income

$71,978

Per capita income

$911,500

Median home value

$3,501

Median monthly rent

91.6%

Home ownership

3.0%

Poverty rate

6.3%

Unemployment

4,093

Housing units

56.6%

Bachelor's or higher

Age distribution

Male Female

230

Under 5

222

379

5–9

367

488

10–14

472

539

15–19

522

398

20–24

385

453

25–34

439

784

35–44

760

809

45–54

784

538

55–59

522

543

60–64

526

616

65–74

596

368

75–84

357

128

85+

124

← Male

Female →

Age summary

Group	Count	%
Under 18	2,814	22.8%
18 and over	9,535	77.2%
65 and over	2,189	17.7%
Median age	43.8 years

Race & ethnicity

White 69.2%

Asian 10.7%

Two or more races 10%

Hispanic or Latino 5.3%

Black or African American 2.6%

Other race 1.9%

American Indian / Alaska Native 0.3%

Group	Count	%
White	9,022	69.2%
Asian	1,389	10.7%
Two or more races	1,304	10%
Hispanic or Latino	687	5.3%
Black or African American	343	2.6%
Other race	247	1.9%
American Indian / Alaska Native	44	0.3%

Household income

Under $10k 1.8%

$10k–$15k 0.5%

$15k–$25k 2.0%

$25k–$35k 4.9%

$35k–$50k 4.1%

$50k–$75k 7.0%

$75k–$100k 9.1%

$100k–$150k 16.3%

$150k–$200k 20.4%

$200k+ 34.0%

Range	% of households
Under $10k	1.8%
$10k–$15k	0.5%
$15k–$25k	2.0%
$25k–$35k	4.9%
$35k–$50k	4.1%
$50k–$75k	7.0%
$75k–$100k	9.1%
$100k–$150k	16.3%
$150k–$200k	20.4%
$200k+	34.0%
Median income	$156,870

Housing

Home values

Under $50k 1.9%

$50k–$100k 0.4%

$100k–$150k 0.8%

$150k–$200k 2.8%

$200k–$300k 1.1%

$300k–$500k 0.6%

$500k–$1M 56.9%

$1M+ 35.4%

Housing overview

Metric	Value
Median home value	$911,500
Median rent / month	$3,501
Owner occupied	91.6%
Renter occupied	8.4%
Vacant	1.3%
Single-family detached	81.1%
Large apartment buildings	0.0%
Mobile homes	5.2%
Median rooms	6.9
Avg household size (owned)	2.70

Year built

Era	%
2020 or later	0.0%
2010–2019	2.4%
2000–2009	7.4%
1990–1999	35.9%
1980–1989	11.4%
1970–1979	27.4%
1960–1969	9.7%
1950–1959	4.1%
1940–1949	0.0%
1939 or earlier	1.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.6%
2 bedrooms	9.3%
3 bedrooms	46.8%
4 bedrooms	35.7%
5+ bedrooms	7.6%

Vehicles per household

Vehicles	% of households
No vehicle	3.1%
1 vehicle	20.3%
2 vehicles	39.3%
3 or more	37.3%

Heating fuel

Fuel type	%
Utility gas	72.9%
Electricity	19.3%
Propane / LP gas	4.1%
Wood	1.8%
Solar	1.2%

Households & families

Household type	Count	%
Married-couple family	2,824	64.1%
Cohabiting couple	133	3.0%
Male householder, no spouse	449	10.2%
Female householder, no spouse	1,002	22.7%
Households with children under 18	1,480	33.6%
Households with seniors (65+)	1,532	34.8%
Average household size	2.73

Marital status

Status	Male	Female
Never married	29.4%	25.3%
Married	58.3%	54.0%
Separated	1.5%	1.8%
Widowed	3.6%	10.0%
Divorced	7.0%	8.9%

Education

Less than 9th grade 0.3%

Some HS, no diploma 0.8%

HS graduate 11.3%

Some college, no degree 22.8%

Associate's degree 8.2%

Bachelor's degree 36.6%

Graduate / professional 20.0%

Metric	%
HS diploma or higher	98.9%
Bachelor's or higher	56.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	268	7.6%
Kindergarten	160	4.5%
Elementary school	1,152	32.6%
High school	949	26.8%
College / grad school	1,007	28.5%

Employment

Industry of employment

Education & healthcare 22.3%

Professional & management 18.6%

Arts, food & hospitality 9.6%

Finance & real estate 8.3%

Retail trade 8.0%

Other services 8.0%

Transportation & utilities 7.5%

Manufacturing 5.8%

Construction 4.8%

Public administration 3.5%

Information 1.8%

Wholesale trade 1.6%

Occupation

Category	%
Management, business & arts	56.1%
Service	12.6%
Sales & office	18.9%
Natural resources & construction	5.2%
Production & transportation	7.2%

Employment type

Type	%
Private sector	77.4%
Government	14.6%
Self-employed	7.8%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	70.8%
Carpool	5.7%
Public transit	3.8%
Walk	1.2%
Other means	1.0%
Avg commute (minutes)	40.0

Poverty

All people 3.0%

Under 18 years 0.1%

18 and over 3.9%

Married-couple families 0.7%

Female-led households 0.7%

Income support

Source	% of households
Social Security	32.4%
Retirement income	35.4%
Supplemental Security	1.6%
Cash public assistance	0.4%
Food stamps / SNAP	1.4%

Health indicators

Condition	%
High blood pressure	26.7%
High cholesterol	31.4%
Heart disease	5.1%
Stroke	2.3%
Asthma	9.1%
Arthritis	23.0%
Kidney disease	2.4%
Pulmonary disease	4.9%
Cancer	7.2%

Behavior / access	%
Binge drinking	18.7%
No physical activity	14.4%
Less than 7 hrs sleep	28.3%
Fair or poor health	9.7%
Poor mental health	12.1%
Poor physical health	8.1%
No health insurance	6.3%
Visited doctor (checkup)	67.0%
Visited dentist	76.8%
Cholesterol screening	94.3%
Teeth loss	5.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	585	6.1%

Disability	%
Any disability	9.3%
Under 18	1.1%
18–64 years	6.7%
65 and over	28.8%

Health insurance coverage

Type	%
Private insurance	89.0%
Public insurance	22.9%
Uninsured under 19	1.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	11,897	96.3%
Spanish	267	2.2%
Other Indo-European	60	0.5%
Asian & Pacific Islander	127	1.1%
Other languages	80	0.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	10,982	88.9%
Born in same state	10,865	88.0%
Born in different state	7,979	64.6%
Foreign born	117	0.9%
Naturalized citizen	1,367	11.1%
Not a US citizen	1,037	75.9%

Ancestry

Ancestry	Count	%
French	2,299	18.6%
Italian	1,829	14.8%
Arab	407	3.3%
English	163	1.3%

Ancestry	Count	%
Polish	148	1.2%
Irish	128	1%
Dutch	84	0.7%
German	79	0.6%

Technology access

Metric	% of households
Computer access	35.7%
Internet access	98.5%

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

Frequently asked questions

What ZIP codes does Clayton, CA have?

Clayton, CA has one ZIP code: 94517. Each ZIP code serves a distinct delivery area within the city and surrounding region.