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History
Contra Costa County, California
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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. 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.
Image: Martinez, CA USA panoramio (1)
Image: Martinez, CA USA panoramio (1)
Image: Northpeak
Image: Northpeak
Don Salvio Pacheco
Don Salvio Pacheco
Don Víctor Castro
Don Víctor Castro
East Bay
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The East Bay is the eastern region of the San Francisco Bay Area and includes cities along the eastern shores of the San Francisco Bay and San Pablo Bay. The region has grown to include inland communities in Alameda and Contra Costa counties. With a population of roughly 2.5 million in 2010, it is the most populous subregion in the Bay Area.
Image: East bay 2015
Image: East bay 2015
Image: East Bay aerial twilight
Image: East Bay aerial twilight
Image: OAKLAND, CA, USA Skyline and Bridge
Image: OAKLAND, CA, USA Skyline and Bridge
Image: View of Mount Diablo and CA Highway 24 from Lafayette Heights (cropped)
Image: View of Mount Diablo and CA Highway 24 from Lafayette Heights (cropped)