94517 ZIP Code — Clayton, CA

Contra Costa County, California

ZIP code 94517 is located in Clayton, California, within Contra Costa County. It covers approximately 47.73 square miles and serves a population of 12,349 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 925.

About ZIP code 94517

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $911,500. Owner-occupancy is high at 92%, well above the national average.

The gap between median ($156,870) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average. 32% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 40 minutes suggests many residents work outside the immediate area.

Educational attainment is high — 57% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 94517 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

12,349

population

47.73

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

94517 ZIP code map

Cities in ZIP code 94517

Below are the cities the US Postal Service accepts for ZIP code 94517. Using any city not on this list may result in mail delivery delays.

City	Status
Clayton	Preferred

Nearby ZIP codes

94506 Danville (6.2 mi) 94531 Antioch (6.4 mi) 94598 Walnut Creek (6.6 mi) 94521 Concord (6.6 mi) 94507 Alamo (7.1 mi) 94509 Antioch (7.5 mi) 94513 Brentwood (7.5 mi) 94565 Pittsburg (8.5 mi) 94526 Danville (8.9 mi) 94596 Walnut Creek (8.9 mi) 94518 Concord (9.1 mi) 94582 San Ramon (9.3 mi)

Demographics updated 06/2026

Population
Total population	12,349
Population density	259 / sq mi
State FIPS	06
County FIPS	013

Geography
Land area	47.73 sq mi
Water area	0.00 sq mi
Latitude	37.8946
Longitude	-121.8720
Timezone	Pacific (PT)
Area code	925

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	14.4%	23.2%	32.6%
$50k – $100k	16.9%	25.1%	27.7%
$100k – $200k	37.0%	31.3%	26.4%
Over $200k	31.6%	20.4%	13.3%

Demographics & statistics

12,349

Population

259

People per sq mi

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

Income range	This ZIP	County avg	State avg
Under $50k	14.4%	23.2%	32.6%
$50k – $100k	16.9%	25.1%	27.7%
$100k – $200k	37.0%	31.3%	26.4%
Over $200k	31.6%	20.4%	13.3%

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%
Work from home	17.6%
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	%
Obesity	27.3%
High blood pressure	26.7%
High cholesterol	31.4%
Diabetes	8.1%
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	%
Smoking	8.8%
Binge drinking	18.7%
No physical activity	14.4%
Less than 7 hrs sleep	28.3%
Depression	16.8%
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%
No insurance	1.5%
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 about ZIP code 94517

What city is ZIP code 94517 in?

ZIP code 94517 is primarily assigned to Clayton, California.

What county is ZIP code 94517 in?

ZIP code 94517 falls within Contra Costa County, California.

Is ZIP code 94517 mostly owner-occupied?

92% of occupied units in ZIP code 94517 are owner-occupied, well above the national average.

How educated is the population of ZIP code 94517?

57% 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 94517?

The median household income in ZIP code 94517 is $156,870, above the national median of ~$75,000.

What is the typical home value in ZIP code 94517?

The median home value in ZIP code 94517 is $911,500.

What timezone is ZIP code 94517 in?

ZIP code 94517 observes the PST timezone.