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 270.43K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (138.59K) and constituted 51.25% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (43.54K) and constituted 16.10% of the total. The Hispanic or Latino of All Races ethnicity group had the third highest (38.51K), constituting 14.24% 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.