Population By Race and Ethnicity in Alameda County, CA in 2021

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2021, the 1,643,837 population of Alameda County, California comprised of 365,792 people who identified as Hispanic (22.25%), and 1,278,045 people who identified as Non-Hispanic (77.75%).

Race: The White Alone population was the largest racial group in Alameda County, California with a population of 784,134 (47.7%); Asian Alone population was the second largest racial group with a population of 555,354 (33.78%); and Black or African American Alone was the third largest racial group with a population of 179,032 (10.89%).

Ethnicity: The Asian Alone - Non Hispanic population was the largest ethnic group in Alameda County, California in 2021, with a population of 544,268 (33.11%); the second largest ethnic group was White Alone - Non Hispanic with a population of 481,543 (29.29%); and the third largest ethnic group was White Alone - Hispanic with a population of 302,591 (18.41%).

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

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

See this for other years:
Hispanics and Non Hispanics in Alameda County, CA in 2021
Total Population:
Race in Alameda County, CA in 2021
Total Population:
Ethnicity in Alameda County, CA in 2021
Total Population:
Population By Race in Alameda , CA in 2021
Race Population Percentage
Black or African American Alone 179,032 10.89%
White Alone 784,134 47.7%
American Indian and Alaska Native Alone 18,166 1.11%
Asian Alone 555,354 33.78%
Native Hawaiian And Pacific Islander Alone 15,531 0.95%
Two Or More Races 91,620 5.57%
Population By Ethnicity in Alameda , CA in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 14,448 0.88%
White Alone - Hispanic 302,591 18.41%
American Indian and Alaska Native Alone - Hispanic 14,082 0.86%
Asian Alone - Hispanic 11,086 0.67%
Native Hawaiian And Pacific Islander Alone - Hispanic 2,364 0.14%
Two Or More Races - Hispanic 21,221 1.29%
Black or African American Alone - Non Hispanic 164,584 10.01%
White Alone - Non Hispanic 481,543 29.29%
American Indian and Alaska Native Alone - Non Hispanic 4,084 0.25%
Asian Alone - Non Hispanic 544,268 33.11%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 13,167 0.8%
Two Or More Races - Non Hispanic 70,399 4.28%