Population By Race and Ethnicity in San Luis Obispo County, CA in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 280,138 population of San Luis Obispo County, California comprised of 61,869 people who identified as Hispanic (22.09%), and 218,269 people who identified as Non-Hispanic (77.92%).

Race: The White Alone population was the largest racial group in San Luis Obispo County, California with a population of 249,787 (89.17%); Asian Alone population was the second largest racial group with a population of 10,696 (3.82%); and Two Or More Races was the third largest racial group with a population of 9,581 (3.42%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in San Luis Obispo County, California in 2015, with a population of 195,048 (69.63%); the second largest ethnic group was White Alone - Hispanic with a population of 54,739 (19.54%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 9,691 (3.46%).

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

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

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Hispanics and Non Hispanics in San Luis Obispo County, CA in 2015
Total Population:
Race in San Luis Obispo County, CA in 2015
Total Population:
Ethnicity in San Luis Obispo County, CA in 2015
Total Population:
Population By Race in San Luis Obispo , CA in 2015
Race Population Percentage
Black or African American Alone 5,674 2.03%
White Alone 249,787 89.17%
American Indian and Alaska Native Alone 3,862 1.38%
Asian Alone 10,696 3.82%
Native Hawaiian And Pacific Islander Alone 538 0.19%
Two Or More Races 9,581 3.42%
Population By Ethnicity in San Luis Obispo , CA in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 852 0.3%
White Alone - Hispanic 54,739 19.54%
American Indian and Alaska Native Alone - Hispanic 2,444 0.87%
Asian Alone - Hispanic 1,005 0.36%
Native Hawaiian And Pacific Islander Alone - Hispanic 150 0.05%
Two Or More Races - Hispanic 2,679 0.96%
Black or African American Alone - Non Hispanic 4,822 1.72%
White Alone - Non Hispanic 195,048 69.63%
American Indian and Alaska Native Alone - Non Hispanic 1,418 0.51%
Asian Alone - Non Hispanic 9,691 3.46%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 388 0.14%
Two Or More Races - Non Hispanic 6,902 2.46%