Martinez, California
Martinez is a city in Contra Costa County, California, with an estimated population of 36,395 in 2023. It sits at 37.9981, -122.1144 in the America/Los_Angeles time zone.
| Field | Value |
|---|---|
| Place name | Martinez |
| Type | city |
| State | California (CA) |
| County | Contra Costa County |
| Population (2023 est.) | 36,395 |
| Land area | 12.64 sq mi (32.75 km²) |
| Coordinates | 37.9981, -122.1144 |
| Time zone | America/Los_Angeles |
| ZIP codes | 94553 |
| Telephone area codes | 925 |
ZIP codes and area codes for Martinez
Martinez covers 1 ZIP code: 94553. Telephone area codes serving the area: 925. Browse all ZIP codes in California for the full list.
Where is Martinez?
Martinez 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 6 km · CABenicia 9 km · CAConcord 10 km · CALafayette 12 km · CAWalnut Creek 12 km · CAOrinda 14 km · CAHercules 16 km · CAMoraga 17 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 42,999Pleasant Hill 33,802
Frequently asked questions
What county is Martinez, CA in?
Martinez is in Contra Costa County, California.
What is the population of Martinez, CA?
The 2023 Census Bureau estimate is 36,395.
What time zone is Martinez in?
Martinez is in the America/Los_Angeles time zone.