You do not need a separate registration to vote in your state's primary/caucus, but you do need to be registered to vote. In many states, you must indicate a party affiliation when you register in order to vote in the primary election.
For more information on your state's voting system and registration deadlines, go to the State Voting Requirements page. Select your state, and on the following page select you election location and “Upcoming Election Dates & Deadlines" to find a list of important local election dates and deadlines.
If you need to register to vote, please visit our Voter Registration Page.