Clayton, California
Clayton is a city in Contra Costa County, California, with an estimated population of 10,754 in 2023. It sits at 37.9403, -121.9301 in the America/Los_Angeles time zone.
| Field | Value |
|---|---|
| Place name | Clayton |
| Type | city |
| State | California (CA) |
| County | Contra Costa County |
| Population (2023 est.) | 10,754 |
| Land area | 3.84 sq mi (9.95 km²) |
| Coordinates | 37.9403, -121.9301 |
| Time zone | America/Los_Angeles |
| ZIP codes | 94517 |
ZIP codes and area codes for Clayton
Clayton covers 1 ZIP code: 94517. Browse all ZIP codes in California for the full list.
Where is Clayton?
Clayton is located in California, in Contra Costa County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Concord 7 km · CAPittsburg 9 km · CAWalnut Creek 11 km · CAAntioch 12 km · CAPleasant Hill 13 km · CADanville 15 km · CAMartinez 17 km · CALafayette 18 km · CA
Other places in Contra Costa County
Concord 122,315Antioch 117,096Richmond 114,106San Ramon 84,929Pittsburg 75,803Walnut Creek 69,152Brentwood 65,126Oakley 45,761Danville 42,999Martinez 36,395
Frequently asked questions
What county is Clayton, CA in?
Clayton is in Contra Costa County, California.
What is the population of Clayton, CA?
The 2023 Census Bureau estimate is 10,754.
What time zone is Clayton in?
Clayton is in the America/Los_Angeles time zone.