It occupies the northern portion of the East Bay region of the San Francisco Bay Area and is primarily suburban. The county's name refers to its position on the other side of the bay from San Francisco. Contra Costa County is included in the San Francisco–Oakland–Berkeley, CA Metropolitan Statistical Area.
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Contra Costa County is home to more than one million residents, and was one of the original 27 counties established in California in 1850.
Contra Costa County
County in California
Contra Costa County is a county located in the U.S. state of California, in the East Bay of the San Francisco Bay Area. As of the 2020 United States Census, the population was 1,165,927. The county seat is Martinez. Wikipedia
Population: 1.157 million (2022)
Non emergency: 925-646-2441
Area code: 510, 341, 925
Congressional districts: 8th, 9th, 10th
County seat: Martinez
Highest elevation: 3,852 ft (1,174 m)
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Cities & Communities of Contra Costa ; Antioch · Brentwood · Clayton ; Lafayette · Martinez · Town of Moraga ; Pleasant Hill · Richmond · San Pablo.
Contra Costa County, California has 716.9 square miles of land area and is the 51st largest county in California by total area. Total Population:1,165,927.
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Contra Costa County is an AVA directly east of San Francisco Bay in California's Central Coast AVA. Once a prolific wine-growing region, the county is home ...
Contra Costa County, California is bordered by Alameda County, California, Sacramento County, California, Marin County, California, San Francisco County, ...
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The county seat is Martinez. It is in the eastern part of the San Francisco Bay Area region. The location of Contra Costa County in the state of California.
County seat, Martinez. Created February 18, 1850. The name signifies “opposite coast,” because of its situation opposite San Francisco, in an easterly ...
Contra Costa County belongs to one of California's busiest urban centers—the San Francisco Bay Area. There are nine counties that significantly contribute to ...
Contra Costa County is a county located in the northern portion of the East Bay region of the San Francisco Bay Area of Northern California.