Population By Race and Ethnicity in Alameda County, CA in 2020

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2020, the 1,680,380 population of Alameda County, California comprised of 373,021 people who identified as Hispanic (22.2%), and 1,307,359 people who identified as Non-Hispanic (77.8%).

Race: The White Alone population was the largest racial group in Alameda County, California with a population of 813,601 (48.42%); Asian Alone population was the second largest racial group with a population of 554,282 (32.99%); and Black or African American Alone was the third largest racial group with a population of 185,330 (11.03%).

Ethnicity: The Asian Alone - Non Hispanic population was the largest ethnic group in Alameda County, California in 2020, with a population of 542,987 (32.31%); the second largest ethnic group was White Alone - Non Hispanic with a population of 504,739 (30.04%); and the third largest ethnic group was White Alone - Hispanic with a population of 308,862 (18.38%).

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 2020
Total Population:
Race in Alameda County, CA in 2020
Total Population:
Ethnicity in Alameda County, CA in 2020
Total Population:
Population By Race in Alameda , CA in 2020
Race Population Percentage
Black or African American Alone 185,330 11.03%
White Alone 813,601 48.42%
American Indian and Alaska Native Alone 18,550 1.1%
Asian Alone 554,282 32.99%
Native Hawaiian And Pacific Islander Alone 15,792 0.94%
Two Or More Races 92,825 5.52%
Population By Ethnicity in Alameda , CA in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 14,709 0.88%
White Alone - Hispanic 308,862 18.38%
American Indian and Alaska Native Alone - Hispanic 14,331 0.85%
Asian Alone - Hispanic 11,295 0.67%
Native Hawaiian And Pacific Islander Alone - Hispanic 2,442 0.14%
Two Or More Races - Hispanic 21,382 1.27%
Black or African American Alone - Non Hispanic 170,621 10.15%
White Alone - Non Hispanic 504,739 30.04%
American Indian and Alaska Native Alone - Non Hispanic 4,219 0.25%
Asian Alone - Non Hispanic 542,987 32.31%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 13,350 0.79%
Two Or More Races - Non Hispanic 71,443 4.25%