Now you can skip hours of internet research and jump straight to getting answers with our meaningful at-a-glance Demographics by County Report. With the most current & most popular demographic data, it's the perfect starting point for your research about Contra Costa County and the rest of California.
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Sources: United States Census Bureau. 2021 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 8 December 2022.
United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2021. U.S. Census Bureau, Population Division. Web. May 2022. http://www.census.gov/.
United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2019. U.S. Census Bureau, Population Division. Web. May 2021. http://www.census.gov/.
United States Census Bureau. "P2 Hispanic or Latino, and Not Hispanic or Latino by Race." 2020 Census State Redistricting Data (Public Law 94-171) Summary File. U.S. Census Bureau, 2020 Census. Web. 12 August 2021. https://www.census.gov/.
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With 1,161,643 people, Contra Costa County is the 9th most populated county in the state of California out of 58 counties. But watch out, Contra Costa County, because Fresno County with 1,003,150 people and Kern County with 905,644 people are right behind you.
The largest Contra Costa County racial/ethnic groups are White (41.6%) followed by Hispanic (26.2%) and Asian (17.6%).
In 2021, the median household income of Contra Costa County households was $110,455. Contra Costa County households made slightly more than Orange County households ($100,485) and Placer County households ($99,734) . However, 5.9% of Contra Costa County families live in poverty.
The median age for Contra Costa County residents is 39.9 years young.
86% of people CANNOT find the data they're looking for on the US Census Bureau website. Source: Nielsen Norman Group
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