San Luis Obispo County, California Citizen Voting-age Population By Race and Ethnicity in 2021 (ACS-5Yrs)

Updated on March 26, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2021, the citizen voting-age population for San Luis Obispo County, CA was 220.04K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (163.82K) and constituted 74.45% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (37.64K) and constituted 17.10% of the total. The Non-Hispanic Asian Alone ethnicity group had the third highest (7.42K), constituting 3.37% of the total citizen voting-age population.

The charts and tables below shows the citizen voting-age population and percentages by race and ethnicity.

You can also see similar information for other California counties, and for California.

Data Source: US Census - ACS 5-Years (CVAP).

See this for other years:

San Luis Obispo County, California Citizen Voting-age Population By Race and Ethnicity in 2021

Non-Hispanic White Alone

Hispanic or Latino of All Races

Non-Hispanic Asian Alone

Non-Hispanic Two Or More Races

Non-Hispanic Black Alone

Non-Hispanic American Indian & Alaska Native Alone

Non-Hispanic Native Hawaiian & Pac. Islander Alone

San Luis Obispo County, California Citizen Voting-age Population By Race and Ethnicity in 2021

0 of 0

Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	163825	74.45
Hispanic or Latino of All Races	37635	17.10
Non-Hispanic Asian Alone	7415	3.37
Non-Hispanic Two Or More Races	6165	2.80
Non-Hispanic Black or African American Alone	4035	1.83
Non-Hispanic American Indian and Alaska Native Alone	810	0.37
Non-Hispanic Native Hawaiian And Pacific Islander Alone	145	0.07