MA-04 elected a Democrat in 2020.

D+22.0 on 412,823 certified votes. Below: the 2020 result and this district's margin across every cycle on record.

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MA-04 — 2020 result

Source: MIT Election Data + Science Lab, US House returns (party-classified by literal ballot party).

Democratic (D)

251,102

60.8%

Republican (R)

160,474

38.9%

All others

1,247

0.3%

Margin

D+22.0

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Margin history

MA-04 across every cycle on record. Each year links to its district page.

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Year	Won	Margin	Votes
2024	D	+70.3%	411,578
2022	D	+69.2%	291,569
2020	D	+22.0%	412,823
2018	D	+97.7%	251,016
2016	D	+40.3%	379,213
2014	D	+97.9%	188,098
2012	D	+25.2%	362,245
2010	D	+10.5%	234,127
2008	D	+42.7%	298,788
2006	D	+98.5%	179,243
2004	D	+77.7%	282,039
2002	D	+99.0%	167,816
2000	D	+53.8%	267,880
1998	D	+98.4%	150,720
1996	D	+43.3%	256,637
1994	D	+99.5%	169,795
1992	D	+41.5%	269,812
1990	D	+29.6%	229,894
1988	D	+40.6%	241,414
1986	D	+80.6%	166,835
1984	D	+48.4%	233,032
1982	D	+19.1%	204,615
1980	D	+3.8%	199,376
1978	D	+99.9%	111,491
1976	D	+4.1%	209,835