The 1st congressional district is located in
western and
central Massachusetts. The largest Massachusetts district in area, it covers about one-third of the state and is more rural than the rest. It has the state's highest point,
Mount Greylock. The district includes the cities of
Springfield,
West Springfield,
Pittsfield,
Holyoke, and
Westfield. Incumbent Democrat
Richard Neal, who has represented the district since 2013 and previously represented the 2nd district from 1989 to 2013, ran for re-election. He was re-elected unopposed with 98% of the vote in 2014 and the district had a
PVI of D+13.
The 2nd congressional district is located in
central Massachusetts. It contains the cities of
Worcester, which is the
second-largest city in
New England after
Boston, and
Northampton in the
Pioneer Valley. Incumbent Democrat
Jim McGovern, who has represented the district since 2013 and previously represented the 3rd district from 1997 to 2013, ran for re-election. He was re-elected unopposed with 98% of the vote in 2014 and the district had a
PVI of D+8.
The 3rd congressional district is located in northeastern and
central Massachusetts. It contains the
Merrimack valley including
Lowell,
Lawrence and
Haverhill. The incumbent is Democrat
Niki Tsongas, who has represented the district since 2013 and previously represented the 5th district from 2007 to 2013. She was re-elected with 63% of the vote in 2014 and the district has a
PVI of D+6.
The 4th congressional district is located mostly in southern
Massachusetts. It contains
Bristol,
Middlesex,
Norfolk,
Plymouth and
Worcester counties. Incumbent Democrat
Joseph P. Kennedy III, who had represented the district since 2013, ran for re-election. He was elected with 98% of the vote in 2014 and the district had a
PVI of D+6.
The 5th congressional district is located in eastern Massachusetts. It contains
Middlesex,
Suffolk and
Worcester counties. Incumbent Democrat
Katherine Clark, who had represented the district since 2013, ran for re-election. She was re-elected with 98% of the vote in 2014 and the district had a
PVI of D+14.
The 6th congressional district is located in northeastern
Massachusetts. It contains most of
Essex County, including the
North Shore and
Cape Ann. Incumbent Democrat
Seth Moulton, who had represented the district since 2015, ran for re-election. He was elected with 55% of the vote in 2014 and the district had a
PVI of D+4.
The 7th congressional district is located in eastern
Massachusetts. It contains the northern three-quarters of the city of
Boston, the city of
Somerville and parts of the city of
Cambridge. Incumbent Democrat
Mike Capuano, who had represented the district since 2013 and previously represented the 8th district from 1999 to 2013, ran for re-election. He was re-elected with 98% of the vote in 2014 and the district had a
PVI of D+31.
The 8th congressional district is located in eastern
Massachusetts. It contains the southern quarter of the city of
Boston and many of its southern suburbs. Incumbent Democrat
Stephen Lynch, who had represented the district since 2013 and previously represented the 9th district from 2001 to 2013. He was re-elected with 99% of the vote in 2014 and the district had a
PVI of D+6.
The 9th congressional district is located in eastern
Massachusetts, including
Cape Cod and the
South Coast. It contains all of
Barnstable,
Dukes and
Nantucket counties and parts of
Bristol and
Plymouth counties. Incumbent Democrat
Bill Keating, who has represented the district since 2013 and previously represented the 10th district from 2011 to 2013, ran for re-election. He was re-elected with 55% of the vote in 2014 and the district has a
PVI of D+5.