Registered Voters as of 05/21/2013 Democrat: 261,917 Republican: 130,557 Other: 135,692 Total: 528,166

Voter Registration Information

The files are in Adobe Acrobat (PDF) format. You must have an Adobe Acrobat(r) Reader. Information about PDF files and how to obtain the Acrobat Reader for Free visit Adobe's Web site.

To register to vote, complete the Secretary of State On-line Application. To obtain the application, click on the "Register to Vote" button.

Secretary of State - Register to Vote




For military or overseas voters, please go to our Military and Overseas Voters web page.


You can register to vote if:

  • You are citizen of the United States, and
  • You are at least 18 years old at the time of the election, and
  • You are not in prison or parole for the conviction of a felony, and
  • You are not deemed mentally incompetent by a court.


You should Re-Register to Vote if:

  • You moved to a new permanent residence, or
  • You change your name, or
  • You want to change your political party.


You can also find Voter Registration Forms at the following locations (please, call ahead to ensure they have the forms):
  • Local Post Office
  • Department of Motor Vehicles
  • Local Library
  • Local City Clerk Offices
  • Contra Costa County Elections Office


Tips on how to fill your Voter Registration Application

  • Fill out the Voter Registration Form Clearly in dark ink.
  • Make sure you Sign your name in order for your registration to be valid.
  • If you live in an apartment, remember to you provide aparment information.


Section 303 (b) of the Help America Vote Act 2002 (HAVA) sets forth requirements for some voters to provide ID to vote. In general, at the time of registration, if a voter does not provide Driver's License number, State issued Identification Card, or the last four digits of Social Security number, then the voter will need to provide a form of identification on his/her first Federal Election.

For more information, please go to the Secretary of State FAQ ID requirements. or Secretary of State HAVA Compliance Manual.



Once your affidavit of registration is submitted to the Contra Costa County Election Department for processing, you should receive written notification within 3 to 4 weeks. After 4 weeks, you can go to Voter Look Up to check your status.

If you do not find your name in Voter Look Up or do not receive a notification, please contact Contra Costa County Elections at 925-335-7871.




Additional Information:



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