Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2010, the citizen voting-age population for , CA was 305.02K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (189.56K) and constituted 62.14% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (82.85K) and constituted 27.16% of the total. The Non-Hispanic Asian Alone ethnicity group had the third highest (13.93K), constituting 4.57% 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.