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Election 2010 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

2010 US House elections in Massachusetts

Massachusetts elected 10 members of the House in 2010: Democrats won 10 seats and Republicans 0.

The closest was the 10th district, decided by 4.5 points: William R. Keating (Democrat) beat Jeffrey Davis Perry (Republican), 46.9% to 42.4%, a margin of 4.5 points and 12,714 votes.

In the House vote by county, Democrats led in 13 of the 14 counties and Republicans in 1. The largest, Middlesex, cast 534,192 votes and went to the Democrat by 29.0 points. The closest was Nantucket, where 715 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 John W. Olver128,011 (60.0%) William L. Gunn, Jr.74,418 (34.9%) 10,935 D+25.1
2 Richard E. Neal122,751 (57.3%) Thomas A. Wesley91,209 (42.6%) 164 D+14.7
3 James P. McGovern122,708 (56.5%) Martin A. Lamb85,124 (39.2%) 9,520 D+17.3
4 Barney Frank126,194 (53.9%) Sean D. M. Mielat101,517 (43.4%) 6,416 D+10.5
5 Niki Tsongas122,858 (54.8%) Jonathan A. Golnik94,646 (42.2%) 6,525 D+12.6
6 John F. Tierney142,732 (56.8%) Bill Hudak107,930 (43.0%) 419 D+13.9
7 Edward J. Markey145,696 (66.4%) Gerry Dembrowski73,467 (33.5%) 194 D+32.9
8 Michael E. Capuano134,974 (98.0%) none 2,686 D+98.1
9 Stephen F. Lynch157,071 (68.3%) Vernon M. Harrison59,965 (26.1%) 12,928 D+42.2
10 William R. Keating132,743 (46.9%) Jeffrey Davis Perry120,029 (42.4%) 30,425 D+4.5

The House vote in every county

CountyDemocratRepublicanOthersTotalMargin
Middlesex 341,465 63.9% 186,310 34.9% 6,417 534,192 D+29.0
Worcester 139,525 52.4% 119,183 44.8% 7,429 266,137 D+7.6
Norfolk 154,058 58.5% 91,080 34.6% 18,202 263,340 D+23.9
Essex 148,441 57.1% 109,943 42.3% 1,642 260,026 D+14.8
Plymouth 90,422 48.1% 80,433 42.8% 17,062 187,917 D+5.3
Bristol 90,514 53.2% 72,353 42.5% 7,290 170,157 D+10.7
Suffolk 141,849 89.1% 14,382 9.0% 2,983 159,214 D+80.1
Hampden 84,194 62.4% 48,575 36.0% 2,097 134,866 D+26.4
Barnstable 48,490 45.9% 51,026 48.3% 6,067 105,583 R+2.4
Hampshire 39,176 70.2% 14,509 26.0% 2,094 55,779 D+44.2
Berkshire 30,595 72.6% 9,555 22.7% 2,004 42,154 D+49.9
Franklin 19,494 70.7% 6,861 24.9% 1,218 27,573 D+45.8
Dukes 5,019 60.7% 2,314 28.0% 933 8,266 D+32.7
Nantucket 2,496 54.2% 1,781 38.6% 332 4,609 D+15.5

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