Contra Costa County, California Population By Ethnicity in Census 2020

Updated on April 5, 2023.

According to the data from the US 2020 decennial Census, in April 2020, among Contra Costa County, CA population of 1,165,927 people, 39.06% (455,421) identified their ethnicity as Non-Hispanic - White Alone, 18.40% (214,520) identified their ethnicity as Non-Hispanic - Asian Alone, and 14.13% (164,788) identified their ethnicity as Hispanic - Some Other Race Alone.

The first chart below shows the population by ethnicity and the second chart shows the percentage of the population for each ethnicity. You can also find the information in a table below.

You can see similar information for other California counties and also for the state of California.

Contra Costa County, CA Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Asian Alone
Hispanic - Some Other Race Alone
Non-Hispanic - Black Alone
Hispanic - Two or More Races
Non-Hispanic - Two or More Races
Hispanic - White Alone
Percentage of Contra Costa County, CA Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Asian Alone
Hispanic - Some Other Race Alone
Non-Hispanic - Black Alone
Hispanic - Two or More Races
Non-Hispanic - Two or More Races
Hispanic - White Alone
Contra Costa County, CA Population By Ethnicity in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 455421 39.06
Non-Hispanic - Asian Alone 214520 18.40
Hispanic - Some Other Race Alone 164788 14.13
Non-Hispanic - Black or African American Alone 97994 8.40
Hispanic - Two Or More Races 87022 7.46
Non-Hispanic - Two Or More Races 66453 5.70
Hispanic - White Alone 46276 3.97
Hispanic - American Indian and Alaska Native Alone 9490 0.81
Non-Hispanic - Some Other Race Alone 8366 0.72
Non-Hispanic - Native Hawaiian And Pacific Islander Alone 5720 0.49
Hispanic - Black or African American Alone 3491 0.30
Hispanic - Asian Alone 3303 0.28
Non-Hispanic - American Indian and Alaska Native Alone 2553 0.22
Hispanic - Native Hawaiian And Pacific Islander Alone 530 0.05