Voters may or may not choose to affiliate with a political party, however, affiliation with a party is required to vote in primary elections.
48% of Rhode Island voters are registered as independent.
Details of voting in congressional and state primary elections:
Unaffiliated voters may participate in one party’s primary, but this choice makes them registered members of that party.
In order to disaffiliate, the voter must file a “Change of Party Designation” form. The change takes 90 days to go into effect, but a voter can submit the form at the polling place after casting their vote.