What city is ZIP code 94517?

ZIP code 94517 is in Clayton, CA (Contra Costa County).

What county is ZIP code 94517 in?

ZIP code 94517 is mostly in Contra Costa County, California.

How many people live in ZIP code 94517?

About 12,316 people live in the 94517 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 94517

Clayton, CA, Contra Costa County

Population

12,316

Land area

47.7sq mi

People per sq mi

258

City

Clayton

ZIP 94517 and nearby ZIP codes

Full map

ZIP 94517 at a glance

The median household income is $168,921, 70% above the California median of $99,122.
A typical owner-occupied home is valued at $1,032,100 (40% above California) and median rent is more than $3,500 a month.

Local data for ZIP 94517

Counts from official public data

Housing and community stats

ZIP 94517, American Community Survey 2020-2024

Full profile

Median household income

$168,921

Poverty rate

4.4%

Median home value

$1,032,100

Prices -2.8% in a year

Median rent

$3,500+/mo

Homeownership

89.2%

Bachelor's or higher

58.1%

Median age

43.0

Average commute

38.1 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

215

ZIP Business Patterns 2023

Employees

1,819

$140M annual payroll

PPP loans

$11.8M

268 loans

Campaign donations

$76.4K

33% D, 15% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 94517, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very High

Top: earthquake

Storm events since 1996

472

Countywide, mostly strong wind

Flood insurance policies

2,681

0.9% of homes, county

July high / Jan low

83° / 42°F

26.1 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 94517, CDC PLACES estimates

All 40 measures

Obesity

26.7%

U.S. 33.3% -6.6 pts

Diabetes

9.9%

U.S. 12.1% -2.2 pts

Smoking

7.8%

U.S. 12.8% -5.0 pts

Uninsured (18-64)

4.1%

U.S. 11.1% -7.0 pts

Frequently asked questions

What city is ZIP code 94517?: ZIP code 94517 is in Clayton, CA (Contra Costa County).
What county is ZIP code 94517 in?: ZIP code 94517 is mostly in Contra Costa County, California.
How many people live in ZIP code 94517?: About 12,316 people live in the 94517 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.