Contra Costa County, California Voting-age Population By Ethnicity in Census 2020

Updated on August 29, 2023.

According to the data from the US 2020 decennial Census, in April 2020, among Contra Costa County, CA population of 902,672 people, 42.35% of them (382,285 people) identified their ethnicity as Non-Hispanic - White Alone, 18.84% of them (170,082 people) identified their ethnicity as Non-Hispanic - Asian Alone, and 13.14% of them (118,619 people) identified their ethnicity as Hispanic - Some Other Race Alone.

The first chart below shows the voting-age population by ethnicity and the second chart shows the percentage of the voting-age 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 Voting-age 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 Voting-age 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 Voting-age Population By Ethnicity in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 382285 42.35
Non-Hispanic - Asian Alone 170082 18.84
Hispanic - Some Other Race Alone 118619 13.14
Non-Hispanic - Black or African American Alone 76478 8.47
Hispanic - Two Or More Races 59256 6.57
Non-Hispanic - Two Or More Races 40825 4.52
Hispanic - White Alone 31367 3.48
Hispanic - American Indian and Alaska Native Alone 7086 0.79
Non-Hispanic - Some Other Race Alone 5987 0.66
Non-Hispanic - Native Hawaiian And Pacific Islander Alone 4483 0.50
Non-Hispanic - American Indian and Alaska Native Alone 2063 0.23
Hispanic - Asian Alone 1988 0.22
Hispanic - Black or African American Alone 1814 0.20
Hispanic - Native Hawaiian And Pacific Islander Alone 339 0.04