Registering to vote allows you to participate in the electoral process and gives you the power to make a difference in deciding who will serve in an elected office. You must be a registered voter in order to vote in any election.
Illinois voters do not need to register by political party or declare a political party membership or preference. However, voters may select a specific political party’s ballot at their polling place when voting in a primary election.
Cook County voter registration closes 28 days before an election.