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2024 US House elections in Massachusetts

Massachusetts elected 9 members of the House in 2024: Democrats won 9 seats and Republicans 0.

The closest was the 9th district, decided by 13.0 points: Bill Keating (Democrat) beat Dan Sullivan (Republican), 56.4% to 43.4%, a margin of 13.0 points and 58,109 votes.

In the House vote by county, Democrats led in 14 of the 14 counties. The largest, Middlesex, cast 641,474 votes and went to the Democrat by 96.8 points. The closest was Nantucket, where 2,517 votes separated the two parties.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Every district

DistrictDemocratVotesRepublicanVotesOthersMargin
1 Richard Neal223,325 (62.4%) none 134,733 D+62.4
2 Jim McGovern251,441 (68.6%) none 114,887 D+68.6
3 Lori Trahan264,698 (97.5%) none 6,861 D+97.5
4 Jake Auchincloss289,347 (97.2%) none 8,378 D+97.2
5 Katherine Clark286,689 (98.2%) none 5,201 D+98.2
6 Seth Moulton321,186 (97.8%) none 7,191 D+97.8
7 Ayanna Pressley232,094 (97.1%) none 6,907 D+97.1
8 Stephen Lynch265,432 (70.4%) Robert Burke110,638 (29.4%) 760 D+41.1
9 Bill Keating251,931 (56.4%) Dan Sullivan193,822 (43.4%) 642 D+13.0

The House vote in every county

CountyDemocratRepublicanOthersTotalMargin
Middlesex 620,845 96.8% 0 0.0% 20,629 641,474 D+96.8
Worcester 264,956 70.2% 0 0.0% 112,292 377,248 D+70.2
Norfolk 269,468 79.7% 61,778 18.3% 6,910 338,156 D+61.4
Essex 300,063 97.7% 0 0.0% 6,971 307,034 D+97.7
Plymouth 166,403 57.7% 121,605 42.1% 500 288,508 D+15.5
Suffolk 235,379 90.8% 18,434 7.1% 5,532 259,345 D+83.7
Bristol 173,251 79.6% 40,756 18.7% 3,679 217,686 D+60.9
Hampden 121,752 61.8% 0 0.0% 75,413 197,165 D+61.8
Barnstable 88,440 60.8% 56,911 39.1% 98 145,449 D+21.7
Hampshire 59,000 73.2% 0 0.0% 21,558 80,558 D+73.2
Berkshire 43,054 66.7% 0 0.0% 21,489 64,543 D+66.7
Franklin 29,787 74.0% 0 0.0% 10,476 40,263 D+74.0
Dukes 9,047 76.3% 2,795 23.6% 8 11,850 D+52.8
Nantucket 4,698 68.2% 2,181 31.7% 5 6,884 D+36.6

Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Massachusetts in every House election we hold

YearSeatsHouse vote
2024 D 9, R 0 D+69.9
2022 D 9, R 0 D+39.4
2020 D 9, R 0 D+53.6
2018 D 9, R 0 D+58.2
2016 D 9, R 0 D+63.7
2014 D 9, R 0 D+63.4
2012 D 9, R 0 D+43.4
2010 D 10, R 0 D+23.7
2008 D 10, R 0 D+62.1
2006 D 10, R 0 D+63.9
2004 D 10, R 0 D+55.5
2002 D 10, R 0 D+55.8
2000 D 10, R 0 D+59.4
1998 D 10, R 0 D+51.3
1996 D 10, R 0 D+33.4
1994 D 8, R 2 D+39.0
1992 D 8, R 2 D+25.3
1990 D 10, R 1 D+35.2