Elections
Massachusetts 2026 Primary Election: Date, Rules & What to Know
The Massachusetts 2026 congressional primary is September 1, 2026. General Election Day is November 3, 2026.
Primary Election · September 1, 2026
General Election · November 3, 2026
What's on the Massachusetts 2026 Ballot
U.S. House of Representatives
All U.S. House seats in Massachusetts are on the 2026 ballot. Every House member runs for re-election every two years. View Massachusetts representatives →
U.S. Senate — Class II Seat
Massachusetts's Class II Senate seat is up for election in 2026. The current senator is Ed Markey (D). Class II senators were last elected in 2020 and serve six-year terms.
Massachusetts's Primary System: Partisan Semi-Open Primary
Massachusetts holds separate party primaries. Voters registered with a party vote in that party's primary. Voters registered as independent or unaffiliated may choose which party's primary to vote in. You may only vote in one party's primary.
Massachusetts 2026 Election Key Dates
| September 1, 2026 | Primary Election |
| October 2026 | Voter registration deadlines (check your state) |
| November 3, 2026 | General Election |
| January 3, 2027 | 120th Congress convenes |
Voter Registration in Massachusetts
Registered party members vote in their own party's primary. Voters registered as independent or unaffiliated may choose which party's primary to vote in. Registration deadlines vary — most states require registration 15–30 days before the primary, though some offer same-day registration.
Check your registration status and find your polling place at vote.gov.
See All State Primary Dates
Compare Massachusetts's primary to other states' 2026 schedules.
Sources
Frequently Asked Questions
When is the Massachusetts primary election in 2026?
The Massachusetts 2026 congressional primary is September 1, 2026. The general election is November 3, 2026.
Can I vote in the Massachusetts primary if I'm not registered with a party?
Registered party members vote in their own party's primary. Voters registered as independent or unaffiliated may choose which party's primary to vote in.
What is on the Massachusetts 2026 primary ballot?
All U.S. House seats in Massachusetts are on the 2026 primary ballot. Additionally, the U.S. Senate seat (Class II) is up for election. The current senator is Ed Markey (D). Many states also hold primaries for governor and state legislature on the same day.
What type of primary does Massachusetts use?
Massachusetts holds separate party primaries. Voters registered with a party vote in that party's primary. Voters registered as independent or unaffiliated may choose which party's primary to vote in. You may only vote in one party's primary.
When is the Massachusetts voter registration deadline for the 2026 primary?
Voter registration deadlines vary but are typically 15–30 days before the primary. Check the Massachusetts Secretary of State website or vote.gov for the exact deadline.
When is the Massachusetts general election in 2026?
The 2026 general election is on Tuesday, November 3, 2026. This date is the same for all 50 states — it is always the first Tuesday after the first Monday in November in even-numbered years.