Contra Costa, California Voting-age Population By Race in Census 2020
Updated on February 22, 2026.
According to the data from the US 2020 decennial Census, in April 2020, among Contra Costa, CA voting-age population of 902,672 people, 45.83% of them (413,652 people) identified their race as White Alone, 19.06% of them (172,070 people) identified their race as Asian Alone, and 13.80% of them (124,606 people) identified their race as Some Other Race Alone.
The first chart below shows the voting-age population by race and the second chart shows the percentage of the the Contra Costa, CA voting-age population for each race. 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.
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Data Source: US Census Bureau, 2020 Census.
Contra Costa, CA Voting-age Population By Race in Census 2020
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| Race | Voting-age Population | % of County Voting-age Population |
|---|---|---|
| Black or African American Alone | 78292 | 8.67 |
| White Alone | 413652 | 45.83 |
| American Indian and Alaska Native Alone | 9149 | 1.01 |
| Asian Alone | 172070 | 19.06 |
| Native Hawaiian And Pacific Islander Alone | 4822 | 0.53 |
| Some Other Race Alone | 124606 | 13.80 |
| Two Or More Races | 100081 | 11.09 |