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Contra Costa County

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Contra Costa County

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Also known as Contra Costa County, California, Contra Costa County, CA, CoCo County

county in California, United States

AI overview

Contra Costa County is a county located in California, in the United States. It is one of California's major population centers and serves as an important economic and residential hub in the state.

AI-generated from the Wikipedia summary — may contain errors.

Wikidata facts

Located in
California
Contains
Martinez
Capital
Martinez
Population
1165927
Area
2078
Shares border with
Solano County
Headquarters
Martinez
Official website
www.contracosta.ca.gov
Image
View of Mount Diablo and CA Highway 24 from Lafayette Heights.jpg
Households
398299
Show 12 more facts
Commons category
Contra Costa County, California
inception
1850-00-00
water as percent of area
10.93
native label
Contra Costa County
phone number
+1-925-313-1180
per capita income
50118
Sources (11)

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Encyclopedic overview

Contra Costa County (/ˌkɒntrə ˈkɒstə/ ; Contra Costa, Spanish for 'Opposite Coast') 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. 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.

History

Excerpted from Wikipedia’s “Contra Costa County” article, available under the CC BY-SA 4.0 licence.

Gallery (12)

On the map