Walnut Creek, California
Walnut Creek is a city in Contra Costa County, California, with an estimated population of 69,152 in 2023. It sits at 37.9027, -122.0405 in the America/Los_Angeles time zone.
| Field | Value |
|---|---|
| Place name | Walnut Creek |
| Type | city |
| State | California (CA) |
| County | Contra Costa County |
| Population (2023 est.) | 69,152 |
| Land area | 19.76 sq mi (51.18 km²) |
| Coordinates | 37.9027, -122.0405 |
| Time zone | America/Los_Angeles |
| ZIP codes | 94595, 94596, 94597, 94598 |
| Telephone area codes | 925 |
ZIP codes and area codes for Walnut Creek
Walnut Creek covers 4 ZIP codes: 94595, 94596, 94597, 94598. Telephone area codes serving the area: 925. Browse all ZIP codes in California for the full list.
Where is Walnut Creek?
Walnut Creek 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
Pleasant Hill 7 km · CALafayette 7 km · CAConcord 8 km · CAMoraga 10 km · CAClayton 11 km · CAOrinda 11 km · CADanville 12 km · CAMartinez 12 km · CA
Other places in Contra Costa County
Concord 122,315Antioch 117,096Richmond 114,106San Ramon 84,929Pittsburg 75,803Brentwood 65,126Oakley 45,761Danville 42,999Martinez 36,395Pleasant Hill 33,802
Frequently asked questions
What county is Walnut Creek, CA in?
Walnut Creek is in Contra Costa County, California.
What is the population of Walnut Creek, CA?
The 2023 Census Bureau estimate is 69,152.
What time zone is Walnut Creek in?
Walnut Creek is in the America/Los_Angeles time zone.