Contra Costa County, California Population By Race and Ethnicity in 2021 (ACS-5Yrs)
Based on the US Census ACS-5Yrs estimates, in 2021, the total Contra Costa County, CA population was 1,161,643. The White Alone racial group had the highest population (580.52K) and constituted 49.97% of the total Contra Costa County population. The Asian Alone racial group had the second highest population (206.92K) and constituted 17.81% of the population. The third highest racial group was Some Other Race Alone (136.20K), constituting 11.73% of the population.
The population of the Non-Hispanic White Alone ethnicity group was 483.52K and constituted 41.62% of the population. The population of the Hispanic or Latino of All Races ethnicity group was (304.32K) and constituted 26.20% of the population.
The charts and tables below shows the population and percentages by race and ethnicity.
Note: Missing racial or ethnicity groups means there was not enough information for an estimate.
You can also see similar information for other California counties, and for California.
| Race | Population | % of Total Pop. |
|---|---|---|
| White Alone | 580523 | 49.97 |
| Asian Alone | 206918 | 17.81 |
| Some Other Race Alone | 136203 | 11.73 |
| Two Or More Races | 124321 | 10.70 |
| Black or African American Alone | 100260 | 8.63 |
| American Indian and Alaska Native Alone | 7807 | 0.67 |
| Native Hawaiian And Pacific Islander Alone | 5611 | 0.48 |
| Ethnicity | Population | % of Total Pop. |
|---|---|---|
| Non-Hispanic White Alone | 483519 | 41.62 |
| Hispanic or Latino of All Races | 304321 | 26.20 |