Voter registration counts by major
Link to voter registration by political party for the major political districts in Contra Costa County. These statistics do not include registration from other counties which may contain portions of these districts. District wide registration statistics are found on the Secretary of State's Voter Registration statistics page.
Voter registration numbers will remain the same, during the blackout period, pursuant to Election Code 20108.18(c). The blackout period for an election is from the 14th day prior to an election through the 28th day after the election.