Boston primary election

September 9, 2025

Election type: primary
Region: Boston, Massachusetts
Description: Boston primary

Visit Ballotpedia.org(Opens in a new window) to learn what you're voting on this election.

Key deadlines in Massachusetts

Voter registration deadlines

Online: 10 days before Election Day
By mail: Postmarked by 10 days before Election Day
In person: 10 days before Election Day

Absentee ballot request deadlines

Online: 7 days before Election Day
By mail: Received by 7 days before Election Day
In person: 7 days before Election Day

Absentee ballot return deadlines

By mail: Postmarked by Election Day
In person: Received by Election Day

Voting dates

Early voting starts: 17 days before Election Day
Early voting ends: 4 days before Election Day
Election Day: September 9, 2025

Questions about voting in Massachusetts

When is Election Day?

Can I vote early?

Where do I vote?

What type of ID do I need to show when I vote?

Can I use my student ID as identification when voting?

Can I have a ballot mailed to me?

I have a ballot. How do I return it?

How do I know if I'm registered to vote?

Can I register to vote on Election Day?

I've moved. Do I have to update my registration?

How do I vote if I'm in the military or overseas?

What if I have other questions?