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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. As of the 2020 United States Census, the population was 1,165,927. The county seat is Martinez.
- Concord, California - Wikipedia
Concord (/ ˈ k ɒ ŋ k ər d / KON-kerd) is the most populous...
- Contra Costa County, California - Simple English Wikipedia ...
Contra Costa County is a county in the state of California....
- Concord, California - Wikipedia
5 days ago · Contra Costa County, in collaboration with the City of Richmond, brings its annual Block Party to West County. Board & Committee Agendas. Permits. Press Releases. Job Openings. Video / Media. Taxes.
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. Print-friendly.
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Demographics. Contra Costa County Demographic Quick Facts. US Census Bureau Contra Costa County Profile. View Contra Costa County's Profile. 2022 Population Estimate: 1,156,555. source: State of California Department of Finance, E-1 Population Estimates for Cities, County and the State with Annual Percent Change - January 1, 2021 and 2022.
Cities. 37°55′48″N 121°59′24″W. Map of Contra Costa County. 1 Antioch. 2 Brentwood. 3 Clayton — in the foothills of Mount Diablo. 4 Concord — home of jazz pianist Dave Brubeck. 5 Danville — wealthy suburb with access to hiking trails and Eugene O'Neill's Tao House. 6 El Cerrito. 7 Lafayette.
