Massachusetts's 3rd congressional district: election results

U.S. House elections in Massachusetts's 3rd congressional district, 1976 to 2024: winners, vote shares and margins. District lines are redrawn after each census, so the area covered changes over time.

Current representative: Lori Trahan (Democrat), term ends 2027-01-03.

Massachusetts's 3rd congressional district: Republican minus Democratic share, in points. Bars above the line lean Republican, below lean Democratic.

Year	Winner	Party	Share	Margin
2024	Lori Loureiro Trahan	Democratic	97.5%	—
2022	Lori Loureiro Trahan	Democratic	63.5%	26.2
2020	Lori Loureiro Trahan	Democratic	97.7%	—
2018	Lori Loureiro Trahan	Democratic	62.0%	27.8
2016	Niki Tsongas	Democratic	68.7%	35.9
2014	Niki Tsongas	Democratic	63.0%	24.9
2012	Niki Tsongas	Democratic	63.3%	30.7
2010	James P. McGovern	Democratic	56.5%	17.3
2008	James P. McGovern	Democratic	75.0%	—
2006	James P. McGovern	Democratic	77.6%	—
2004	James P. McGovern	Democratic	67.1%	39.1
2002	James P. McGovern	Democratic	73.3%	—
2000	James P. McGovern	Democratic	76.5%	—
1998	James P. McGovern	Democratic	56.9%	15.4
1980	Joseph D. Early	Democratic	72.3%	44.6
1978	Joseph D. Early	Democratic	75.2%	50.5
1976	Joseph D. Early	Democratic	100.0%	—

2024

Candidate	Party	Votes	Share
Lori Loureiro Trahan Won	DEM	264,698	97.47%
Blank	—	91,119	33.55%
Other	—	6,861	2.53%
Total		362,678

2022

Candidate	Party	Votes	Share
Lori Loureiro Trahan Won	DEM	154,496	63.50%
Dean A. Tran	REP	88,585	36.41%
Blank	—	8,088	3.32%
Other	—	220	0.09%
Total		251,389

2020

Candidate	Party	Votes	Share
Lori Loureiro Trahan Won	DEM	286,896	97.74%
Blank	—	94,671	32.25%
Other	—	6,643	2.26%
Total		388,210

Questions and answers

Who represents Massachusetts's 3rd congressional district?

Lori Trahan (Democrat) is the current representative; the term ends on 2027-01-03.

Who won the last election in Massachusetts's 3rd congressional district?

Lori Loureiro Trahan won in 2024.

Results: FiveThirtyEight, from official sources.