Population By Race and Ethnicity in Orange County, CA in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 3,175,579 population of Orange County, California comprised of 1,071,910 people who identified as Hispanic (33.76%), and 2,103,669 people who identified as Non-Hispanic (66.25%).

Race: The White Alone population was the largest racial group in Orange County, California with a population of 2,259,403 (71.15%); Asian Alone population was the second largest racial group with a population of 688,851 (21.69%); and Two Or More Races was the third largest racial group with a population of 114,797 (3.62%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Orange County, California in 2018, with a population of 1,275,891 (40.18%); the second largest ethnic group was White Alone - Hispanic with a population of 983,512 (30.97%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 673,203 (21.2%).

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

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

See this for other years:
Hispanics and Non Hispanics in Orange County, CA in 2018
Total Population:
Race in Orange County, CA in 2018
Total Population:
Ethnicity in Orange County, CA in 2018
Total Population:
Population By Race in Orange , CA in 2018
Race Population Percentage
Black or African American Alone 67,416 2.12%
White Alone 2,259,403 71.15%
American Indian and Alaska Native Alone 32,957 1.04%
Asian Alone 688,851 21.69%
Native Hawaiian And Pacific Islander Alone 12,155 0.38%
Two Or More Races 114,797 3.62%
Population By Ethnicity in Orange , CA in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 15,433 0.49%
White Alone - Hispanic 983,512 30.97%
American Indian and Alaska Native Alone - Hispanic 26,596 0.84%
Asian Alone - Hispanic 15,648 0.49%
Native Hawaiian And Pacific Islander Alone - Hispanic 3,328 0.11%
Two Or More Races - Hispanic 27,393 0.86%
Black or African American Alone - Non Hispanic 51,983 1.64%
White Alone - Non Hispanic 1,275,891 40.18%
American Indian and Alaska Native Alone - Non Hispanic 6,361 0.2%
Asian Alone - Non Hispanic 673,203 21.2%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 8,827 0.28%
Two Or More Races - Non Hispanic 87,404 2.75%