Percentage of Registered Voters, by Political Party
Santa Clara & San Mateo Counties
Silicon Valley Institute for Regional Studies
Data are from the California Secretary of State, Elections Division. The eligible population is determined by the Secretary of State using Census population data provided by the California Department of Finance. Silicon Valley includes Santa Clara and San Mateo counties. Other includes Green, Libertarian, Natural Law, Peace & Freedom/Reform, and Other.
This chart does not have any footnotes.