Population By Race and Ethnicity in Contra Costa County, CA in 2012

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2012, the 1,077,439 population of Contra Costa County, California comprised of 265,472 people who identified as Hispanic (24.64%), and 811,967 people who identified as Non-Hispanic (75.36%).

Race: The White Alone population was the largest racial group in Contra Costa County, California with a population of 735,038 (68.22%); Asian Alone population was the second largest racial group with a population of 168,756 (15.66%); and Black or African American Alone was the third largest racial group with a population of 103,458 (9.6%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Contra Costa County, California in 2012, with a population of 505,607 (46.93%); the second largest ethnic group was White Alone - Hispanic with a population of 229,431 (21.29%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 162,418 (15.07%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Contra Costa, California.

You can find similar information for other California counties, and for California.

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Hispanics and Non Hispanics in Contra Costa County, CA in 2012
Total Population:
Race in Contra Costa County, CA in 2012
Total Population:
Ethnicity in Contra Costa County, CA in 2012
Total Population:
Population By Race in Contra Costa , CA in 2012
Race Population Percentage
Black or African American Alone 103,458 9.6%
White Alone 735,038 68.22%
American Indian and Alaska Native Alone 10,635 0.99%
Asian Alone 168,756 15.66%
Native Hawaiian And Pacific Islander Alone 6,076 0.56%
Two Or More Races 53,476 4.96%
Population By Ethnicity in Contra Costa , CA in 2012
Ethnicity Population Percentage
Black or African American Alone - Hispanic 7,888 0.73%
White Alone - Hispanic 229,431 21.29%
American Indian and Alaska Native Alone - Hispanic 7,517 0.7%
Asian Alone - Hispanic 6,338 0.59%
Native Hawaiian And Pacific Islander Alone - Hispanic 1,398 0.13%
Two Or More Races - Hispanic 12,900 1.2%
Black or African American Alone - Non Hispanic 95,570 8.87%
White Alone - Non Hispanic 505,607 46.93%
American Indian and Alaska Native Alone - Non Hispanic 3,118 0.29%
Asian Alone - Non Hispanic 162,418 15.07%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 4,678 0.43%
Two Or More Races - Non Hispanic 40,576 3.77%