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

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 497,221 population of Sonoma County, California comprised of 134,125 people who identified as Hispanic (26.98%), and 363,096 people who identified as Non-Hispanic (73.03%).

Race: The White Alone population was the largest racial group in Sonoma County, California with a population of 431,416 (86.77%); Asian Alone population was the second largest racial group with a population of 22,607 (4.55%); and Two Or More Races was the third largest racial group with a population of 20,174 (4.06%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Sonoma County, California in 2018, with a population of 314,598 (63.27%); the second largest ethnic group was White Alone - Hispanic with a population of 116,818 (23.49%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 21,076 (4.24%).

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

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

See this for other years:
Hispanics and Non Hispanics in Sonoma County, CA in 2018
Total Population:
Race in Sonoma County, CA in 2018
Total Population:
Ethnicity in Sonoma County, CA in 2018
Total Population:
Population By Race in Sonoma , CA in 2018
Race Population Percentage
Black or African American Alone 10,095 2.03%
White Alone 431,416 86.77%
American Indian and Alaska Native Alone 10,951 2.2%
Asian Alone 22,607 4.55%
Native Hawaiian And Pacific Islander Alone 1,978 0.4%
Two Or More Races 20,174 4.06%
Population By Ethnicity in Sonoma , CA in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 2,246 0.45%
White Alone - Hispanic 116,818 23.49%
American Indian and Alaska Native Alone - Hispanic 7,414 1.49%
Asian Alone - Hispanic 1,531 0.31%
Native Hawaiian And Pacific Islander Alone - Hispanic 438 0.09%
Two Or More Races - Hispanic 5,678 1.14%
Black or African American Alone - Non Hispanic 7,849 1.58%
White Alone - Non Hispanic 314,598 63.27%
American Indian and Alaska Native Alone - Non Hispanic 3,537 0.71%
Asian Alone - Non Hispanic 21,076 4.24%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 1,540 0.31%
Two Or More Races - Non Hispanic 14,496 2.92%