Called Nov 3Unofficial results
Massachusetts's 3rd District
U.S. House · Massachusetts
Lori Loureiro Trahan won re-election by 36.8 points over Gary J. Grossi.
Lori Loureiro TrahanDemocrat · winner · incumbent
67.2%173,326
Gary J. GrossiRepublican
30.3%78,296
Dennis R. ConlonIndependent
2.5%6,442
77% of the expected vote counted · 258,064 votes
Source: civicAPI unofficial results and race callsUpdated Nov 7, 2026, 3:00 PM ET
Where the race moved
Against the 2024 presidential vote
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)
Money in this race
Each line compares the two campaigns on one scale.
Lori TrahanGary Grossi
$1.9M
Raised by the campaign
$9.2K
$1.5M
Spent by the campaign
$1.8K
$1.8M
Cash on hand
$7.4K
Campaign money: FEC, through Oct 14, 2026.
Source: FEC campaign filingsUpdated Oct 14, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Lori Trahan
- >99%
- Gary Grossi
- <1%
- Projected margin
- D+41.1
The candidates
Changes to this page
- · Race called for Trahan.