The Massachusetts Primary Election 2026 is scheduled for Tuesday, September 1, 2026. Voters will choose party nominees for important federal, statewide, district, and county offices before the November general election.
Massachusetts Primary Election 2026 Date
The Massachusetts Primary Election 2026 will take place on Tuesday, September 1. Polling places are scheduled to open at 7 a.m. and close at 8 p.m., giving voters a full day to cast their ballots.
The primary is an important stage of the state’s 2026 election cycle. Candidates competing for party nominations will face voters before the November 3 general election, when nominees and other candidates will compete for elected offices.
| Quick Facts | Details |
| Election | Massachusetts Primary Election 2026 |
| Primary Date | September 1, 2026 |
| Election Day | Tuesday |
| Early Voting | August 22–28, 2026 |
| Registration Deadline | August 22, 2026 |
| Vote-by-Mail Deadline | August 25, 2026, at 5 p.m. |
| Polling Hours | 7 a.m. to 8 p.m. |
| General Election | November 3, 2026 |
Massachusetts Primary Election 2026 Candidates
The official candidate lists include contests for U.S. Senate, governor, lieutenant governor, attorney general, secretary of state, treasurer, auditor, Congress, the Massachusetts General Court, and several county positions. The exact races appearing on a ballot depend on the voter’s district and community.
In the Democratic U.S. Senate primary, the official list includes Edward J. Markey and Seth Moulton. The Democratic gubernatorial candidate listed is Maura Healey, while Kimberley Driscoll is listed for lieutenant governor.
The Republican U.S. Senate candidate listed for the primary is John Deaton. The Republican governor candidates are Michael Roger Minogue and Brian Shortsleeve, while Shawn Oliver is listed for lieutenant governor.
Other statewide Democratic candidates include Andrea Joy Campbell for attorney general, William Francis Galvin for secretary of state, Deborah B. Goldberg for treasurer, and Diana DiZoglio for auditor. Republican candidates include Michael C. Walsh for attorney general and Elizabeth Dionne for treasurer.
Massachusetts Primary Election 2026 Voting Rules
Massachusetts has an open primary system for voters who are not enrolled in a political party. An unenrolled voter, commonly called an independent voter, can choose either a Democratic or Republican ballot when checking in at the polling place.
Choosing a party ballot for the primary does not enroll an otherwise unenrolled voter in that political party. However, once the voter selects a party ballot at the polling place, the selection cannot be changed during that primary.
Voters who are already enrolled in a political party cannot vote in another party’s primary. Anyone who wants to change party enrollment must update their registration at least 10 days before the primary.
Massachusetts Primary Election 2026 Early Voting
Early voting provides another way to participate before Election Day. For the 2026 state primary, Massachusetts has scheduled the early voting period for August 22 through August 28.
The location and schedule for early voting can vary by municipality. Voters should check their local election information before visiting a location, particularly if they want to vote outside their normal Election Day polling place.
Massachusetts Primary Election 2026 Registration Deadline
The voter registration deadline for the September primary is August 22, 2026. Voters who are not registered by the applicable deadline may not be able to participate in the primary.
It is also useful for registered voters to review their information before Election Day. Address and district information can determine which congressional, legislative, county, and local contests appear on an individual ballot.
Massachusetts Primary Election 2026 Vote by Mail
Massachusetts voters can also request a ballot by mail for the primary. The application for a September 1 primary ballot must reach the appropriate local election office by 5 p.m. on August 25, 2026.
The Secretary of the Commonwealth announced that registered voters who had not already applied for vote-by-mail ballots would receive official applications. Unenrolled voters must select either a Democratic or Republican ballot when applying for a primary ballot.
Offices on the Massachusetts Primary Election 2026 Ballot
The primary includes several major statewide and federal positions. These include U.S. Senator, U.S. Representative, governor, lieutenant governor, attorney general, secretary of state, treasurer, auditor, and governor’s councillor.
Depending on the district, voters can also see races for state senator, state representative, district attorney, register of probate, county commissioner, and county treasurer. A Franklin County sheriff contest is also included to fill a vacancy.
Not every voter will see every race on the ballot. Congressional districts, state legislative districts, counties, and other local boundaries determine which contests are presented to each voter.
Massachusetts Primary Election 2026 and the Senate Race
The U.S. Senate primary is one of the most closely watched contests on the 2026 ballot. The official Democratic candidate list includes incumbent Senator Edward J. Markey and Representative Seth Moulton.
The Republican side lists John Deaton as the candidate for U.S. Senate. The primary result will determine which party nominee advances toward the November general election.
Massachusetts Primary Election 2026 Governor Race
The governor’s race is another major contest for Massachusetts voters. The Democratic list includes incumbent Governor Maura Healey, while the Republican list includes Michael Roger Minogue and Brian Shortsleeve.
The lieutenant governor contest also appears on the statewide ballot. Kimberley Driscoll is listed on the Democratic side, while Shawn Oliver is listed on the Republican side.
What Happens After the Massachusetts Primary Election 2026?
The primary determines party nominees for contests where more than one candidate is seeking the same party nomination. Those nominees can then appear on the November general election ballot.
The Massachusetts general election is scheduled for November 3, 2026. Early voting for that election is scheduled for October 17 through October 30, with Election Day polling hours from 7 a.m. to 8 p.m.
The primary therefore represents an important first step in deciding who will compete in the November election. Voters can use the primary to select candidates they believe should represent their preferred political party.
Why the Massachusetts Primary Election 2026 Matters
The 2026 primary matters because it covers several major offices at both the state and federal levels. The results can shape the choices available to voters in the November general election.
Local races can also be important even when they receive less attention than statewide contests. State legislators, district attorneys, county officials, and other officeholders can directly influence policies and services within their communities.
How to Prepare for the Massachusetts Primary Election 2026
Voters can prepare by checking their registration status, confirming their party enrollment, reviewing their local ballot, and learning about the candidates before voting. These steps can help prevent confusion when arriving at the polling place.
Anyone planning to vote early or by mail should pay close attention to the applicable deadlines. For the September primary, August 22 is the registration deadline, August 22–28 is the early voting period, and August 25 at 5 p.m. is the vote-by-mail application deadline.
Frequently Asked Questions About Massachusetts Primary Election 2026
When is the Massachusetts Primary Election 2026?
The Massachusetts Primary Election 2026 will be held on Tuesday, September 1, 2026. Polling places are scheduled to operate from 7 a.m. until 8 p.m.
Who can vote in the Massachusetts primary?
Registered voters can participate in the primary. Unenrolled voters can choose either a Democratic or Republican ballot, while voters enrolled in a party must vote in that party’s primary.
Who is running for U.S. Senate in Massachusetts?
The Democratic primary lists Edward J. Markey and Seth Moulton. The Republican primary lists John Deaton.
Who is running for governor in Massachusetts?
The Democratic candidate listed for governor is Maura Healey. The Republican candidates listed are Michael Roger Minogue and Brian Shortsleeve.
When is early voting for the Massachusetts primary?
Early voting for the 2026 state primary is scheduled for August 22 through August 28, 2026. Local schedules and locations can vary.
What is the registration deadline?
The voter registration deadline is August 22, 2026 for the September 1 state primary.
What is the vote-by-mail deadline?
Applications for a vote-by-mail ballot for the September primary must reach the appropriate local election office by 5 p.m. on August 25, 2026.
When is the Massachusetts general election?
The Massachusetts general election is scheduled for Tuesday, November 3, 2026. Early voting is scheduled for October 17–30.
Can an independent voter vote in the primary?
Yes. An unenrolled voter can choose either the Democratic or Republican primary ballot. Selecting a ballot does not change the voter’s party enrollment.
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