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Contra Costa County (/ ˌ k ɒ n t r ə ˈ k ɒ s t ə / ⓘ; 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.
May 21, 2024 · News & Updates. We want to ensure you have all the news & announcements. 2024 Summer County Block Party. Posted on May 21, 2024. Join us for Contra Costa County’s 6th Annual Summer Block Party from 4 to 7 p.m. on Thursday, June 2... Read more... Missed the Board of Supervisors Meeting? Posted on April 20, 2022.
USA. California. Contra Costa County. East of the Oakland Hills that border the East Bay, Contra Costa County maintains a very separate culture and lifestyle than its Bay Area neighbors.
Map of the East Bay. Inner East Bay. The densely populated area west of the Berkeley Hills, home to the many parks and museums of Oakland, the counter-cultural hub that is Berkeley, and even a historic aircraft carrier in Alameda. Experience dozens of immigrant communities, particularly in Fremont. Outer East Bay.
May 26, 2015 · CONTRA COSTA. County seat, Martinez. Created February 18, 1850. The name signifies “opposite coast,” because of its situation opposite San Francisco, in an easterly direction, on San Francisco Bay. In 1853, Alameda County was formed from territory originally included in this county.
In 2022, Contra Costa County, CA had a population of 1.16M people with a median age of 40.1 and a median household income of $120,020. Between 2021 and 2022 the population of Contra Costa County, CA grew from 1.16M to 1.16M, a 0.0865% increase and its median household income grew from $110,455 to $120,020, a 8.66% increase.
Contact Us: Public Information Contacts Media Inquiries Contact Webmaster County Administration Building: 1025 Escobar Street, Martinez, CA 94553 1st Floor: Clerk of the Board 2nd Floor: Human Resources 3rd Floor: County Counsel 4th Floor: County Administration. For all other County departments and offices, see their web pages.
