Partisan Affiliation

Percentage of Registered Voters, by Political Party

Santa Clara & San Mateo Counties

Data Source:

California Secretary of State, Elections and Voter Information Division

Analysis:

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.

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Resources for Relevant Data and Reports (show)

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