Contra Costa County, United States
Facts and figures on Contra Costa County at a glance
Region name: Contra Costa County (Contra Costa County)Status: Adminstrative subregion
Population: 1,049,025 people
Region name (Level 1):
Country: United States
Continent: North America
The regional headquarters of Contra Costa County (Contra Costa County) is located in Martinez (Martinez) with a population of 38,137 people. The distance as the crow flies from Contra Costa County's regional headquarters Martinez to United States's capital Washington (Washington) is approximately 3,897 km (2,421 mi).
| Region | Population | Regional headquarters | Population |
| Contra Costa County Contra Costa County | 1,049,025 people | Martinez Martinez | 38,137 people |
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Map of Contra Costa County
Information on Contra Costa County
| Region name | Region name Level 1 | Country | Continent |
| Contra Costa County Contra Costa County | United States | North America |
Time in Contra Costa County
| Current time | Summer time (DST) | Standard time | Current timezone offset | Timezone |
| Thu, 2 May 2024 - 5:09pm (17:09h) | In effect (+1 hour) | Thu, 2 May 2024 - 4:09pm (16:09h) | GMT UTC -7.0 | America/Los_Angeles |
Geographic coordinates of Contra Costa County
| Position | Latitude (width) | Longitude (length) |
| Show on map | 37°55'24.3"N (37.9234200°) | 121°57'04.4"W (-121.9512100°) |
Subregions in Contra Costa County
There are 12 administrative subregions in Contra Costa County.| Region | No | Population | Regional capital | Capital population |
| City of Antioch City of Antioch | 1. | - | - | - |
| City of Brentwood City of Brentwood | 2. | - | - | - |
| City of Clayton City of Clayton | 3. | - | - | - |
| City of Concord City of Concord | 4. | - | - | - |
| City of El Cerrito City of El Cerrito | 5. | - | - | - |
| City of Hercules City of Hercules | 6. | - | - | - |
| City of Martinez City of Martinez | 7. | - | - | - |
| City of Oakley City of Oakley | 8. | - | - | - |
| City of Pittsburg City of Pittsburg | 9. | - | - | - |
| City of Pleasant Hill City of Pleasant Hill | 10. | - | - | - |
| City of Richmond City of Richmond | 11. | - | - | - |
| City of Walnut Creek City of Walnut Creek | 12. | - | - | - |