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Presidential Primary Date:  March 5, 2024

Open or Closed:  Open to unaffiliated voters

How to Vote in the Primary:  Online Voter Application (


Massachusetts law about elections and voting |

Primaries and Caucuses - Rock the Vote

Changing political parties, Mass. Secretary of the Commonwealth, Elections Division.

Click on the Online Voter Application and click on Update Address and/or Party which allows voters to switch parties before or after an election.  


Registered unaffiliated voters may choose one party's primary ballot to vote on and will remain unaffiliated for future elections. Voters enrolled with a party must vote in their party’s primary.

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