2020Final results
2020 election for Massachusetts's 6th District
U.S. House · Massachusetts
Seth Moulton (D) won with 65.4% of the vote, defeating John Moran (R) by 31.0 points.
Seth MoultonDemocrat · winner
65.4%286,377
John MoranRepublican
34.4%150,695
437,677 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
The seat over time
D − R margin in this seat's races around 2020
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
Money in this race
Each line compares the two campaigns on one scale.
Seth MoultonJohn Moran
$1.3M
Raised by the campaign
$305.4K
$1.8M
Spent by the campaign
$304.3K
$245.7K
Cash on hand
$1.1K
Campaign money: FEC, through Dec 31, 2020.
Source: FEC campaign filingsUpdated Dec 31, 2020