The 2012 United States House of Representatives elections in Massachusetts were held on Tuesday, November 6, 2012, to elect the nine U.S. representatives from the state of Massachusetts, a loss of one seat following the 2010 census,^[1] for service in the 113th Congress from January 3, 2013, to January 3, 2015. The elections coincided with the elections of other federal and state offices, including a quadrennial presidential election. The candidate elected in each of the state's congressional districts was a member the Democratic Party.^[2]

Quick Facts All 9 Massachusetts seats in the United States House of Representatives, Majority party ...

2012 United States House of Representatives elections in Massachusetts

← 2010 November 6, 2012 2014 →
All 9 Massachusetts seats in the United States House of Representatives
Majority party Minority party   Party Democratic Republican Last election 10 0 Seats won 9 0 Seat change 1 Popular vote 1,544,103 693,624 Percentage 66.04% 29.67% Swing 8.56% 9.18%
Democratic   40–50%   50–60%   60–70%   70–80%   80–90%   90>%

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Primary elections were held on September 6, 2012.^[3] This primary was on a Thursday, which is rare in Massachusetts, and it was moved from Tuesday, September 18, 2012, because of a conflicting religious holiday.^[4]

Democrat Richard Neal, who has represented the 2nd district since 1989, was redistricted into the 1st district.^[6] He ran for re-election.^[7]

Since 1991, Democrat John Olver, has represented the 1st district, most of which remains in the proposed new 1st district.^[1] He was to have been redistricted to the 2nd district, except that he announced his retirement two weeks before the new districts were proposed.^[13]

Democrat Jim McGovern, who was redistricted from the 3rd district,^[6] ran for re-election.^[14]

Democrat Niki Tsongas, who was redistricted from the 5th district,^[6] ran for re-election.^[15] She was unopposed in the primary.

Democrat Barney Frank, who has represented the 4th district since 1981, retired rather than run for re-election.^[18]

Democrat Ed Markey was redistricted from the 7th district,^[6] having represented it since 1976.

Quick Facts Nominee, Party ...

2012 Massachusetts's 6th congressional district election

← 2010 2014 →

Nominee John F. Tierney Richard Tisei Party Democratic Republican Popular vote 180,942 176,612 Percentage 48.3% 47.1%

Municipality results Tierney:      40–50%      50–60%      60–70% Tisei:      40–50%      50–60%      60–70%      70–80%

U.S. Representative before election John F. Tierney Democratic Elected U.S. Representative John F. Tierney Democratic

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Democrat John F. Tierney has represented the 6th district since 1997. Daniel Fishman, a Libertarian candidate, who has never run for office before also ran.^[46] Veteran and military commentator Seth Moulton considered running in the general election as an independent, but decided against it in July 2012, citing the short time frame left for him to mount a serious campaign.^[47]

In the redistricting Act,^[1] this district became a majority-minority district, increasing its reach over several minority precincts near Boston.^[6] Democrat Mike Capuano, who was redistricted from the 8th district,^[6] having represented it since 1999, ran for re-election.^[57]

Democrat Stephen Lynch, who was redistricted from the old 9th district,^[6] will run in the 8th district.^[59]

Democrat William R. Keating, who was redistricted from the old 10th district,^[6] announced that he would move to Cape Cod (where he already has a summer home), and run there, putting him in the new 9th district (most of which includes his incumbent district^[1]) instead of competing against Lynch.^[46]

There was no incumbent currently residing in this district, but incumbent Democrat William R. Keating, who has represented most of the district for the last two years when it was the 10th district, has a summer home there.^[6] As discussed above, he moved to the 9th District.^[46] Bristol County

• United States Senate election in Massachusetts, 2012