This is the 2022 race. The latest: 2026 →

2022Final results

2022 election for Massachusetts's 3rd District

U.S. House · Massachusetts

Lori Trahan (D) won with 63.5% of the vote, defeating Dean A. Tran (R) by 27.1 points.

Lori TrahanDemocrat · winner
63.5%154,496
Dean A. TranRepublican
36.4%88,585
243,301 votes

Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET

The seat over time

D − R margin in this seat's races around 2022

Races before and after

EvenD+31.92012D+26.02014D+37.52016D+28.52018D+27.12022D+36.82026

Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET

Money in this race

Each line compares the two campaigns on one scale.

Lori TrahanDean A. Tran
$2M
Raised by the campaign
$158.1K
$1.4M
Spent by the campaign
$158.1K
$867.5K
Cash on hand
$0

Campaign money: FEC, through Dec 31, 2022.

Source: FEC campaign filingsUpdated Dec 31, 2022