Elections · U.S. House · Massachusetts
2026 Massachusetts House race,
Lori Trahan (Democrat), Gary Grossi (Republican) and Dennis R. Conlon (Independent) are on the November 3, 2026 ballot for U.S. House in Massachusetts District 3, as recorded September 22, 2026 from the Secretary of the Commonwealth, Elections Division.
The November ballot
Raised so far, filed with the FEC
Also in this race: Gary Grossi (Republican) and Dennis R. Conlon (Independent).
Official candidate list: Secretary of the Commonwealth, Elections Division. Faces and bars are the campaigns that hold the seat or have $25,000 raised or outside spending on file; being outside that group is a filing fact, not a mark. Not a prediction.
The seat
Lori Trahan
Democrat · Holds the seat now
First took office 2019 · Age 52
From the member's own disclosures and congress.gov. Not cosponsoring is not a vote against a ban.
How to vote in Massachusetts
- General electionNovember 3, 2026
Register 10 days before the election.
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How they won the primary
The primary · 70,197 votes
- Lori Trahan Won: 99.2% 69,670
The total includes 527 write-in or scattered votes not listed by candidate.
The primary · 22,286 votes
- Gary Grossi Won: 99% 22,068
The total includes 218 write-in or scattered votes not listed by candidate.
Primary results as recorded October 12, 2026, ordered by votes. Source: Massachusetts Secretary of the Commonwealth primary results database. A primary result is a recorded fact about a past contest, not a prediction of November.
Where each candidate's money comes from
Small donors give $200 or less; PACs are political action committees. Shares of each candidate's own receipts on file with the FEC. Outside money is not part of these figures.
Lori Trahan itemizes every gift, so small donors are counted from the FEC's breakdown of contributions by size: gifts of $200 and under.
Not on the November ballot
3 filedNone of these has campaign money on file with the FEC.
Primary candidates who did not advance, committees still on file, and candidacies that ended. Being here is a filing fact, not a mark against anyone.
How this seat voted last time
Unopposed in 2024
- Lori Trahan Won: 97.5%
271,559 votes for candidates. The other 2.5% is write-in and scattered votes, counted in that total. A past result is a filed fact, not a prediction of November.
Certified returns via MIT Election Data and Science Lab, from the House Clerk's election statistics and state canvasses.
The district
Census context- People
- 785K
- Median household income
- $100K
- Unemployment
- 5.7%
- Living below the poverty line
- 10.3%
- Without health insurance
- 3.0%
U.S. Census Bureau, ACS 2024 5-year estimates. Context about the district, not a statement about any candidate.
Candidates and financing from the FEC, public domain. Candidate totals are reported to the FEC through August 12, 2026. Dataset built 2026-10-12. Nothing here is a forecast, a grade, or a ranking of candidates.