Massachusetts's 9th congressional district is located in eastern Massachusetts. It is represented by Democrat William R. Keating. With a Cook Partisan Voting Index rating of D+6, it is the least Democratic district in Massachusetts, a state with an all-Democratic congressional delegation.[2]
Redistricting after the 2010 census eliminated Massachusetts's 10th congressional district; the 9th covers much of the old 10th's eastern portion. The district also added some Plymouth County communities from the old 4th district, and some Bristol County communities from the old 3rd and 4th districts. It eliminated a few easternmost Norfolk County communities and northernmost Plymouth County communities.
From 1963 to 2013, the 9th covered most of southern Boston, and in its latter years, it included many of Boston's southern suburbs. Most of that territory is now the 8th district.
1849: "The towns in the County of Plymouth, excepting Abington, Hingham, Hull, North Bridgewater, Rochester, and Wareham; and all the towns in the County of Bristol, excepting Dartmouth, Fairhaven, and New Bedford."[4]
1860s
1862: "The towns of Ashburnham, Auburn, Barre, Boylston, Brookfield, Charlton, Clinton, Douglas, Dudley, Fitchburg, Gardner, Grafton, Holden, Hubbardston, Lancaster, Leicester, Leominster, Millbury, New Braintree, North Brookfield, Oakham, Oxford, Paxton, Princeton, Rutland, Shrewsbury, Southbridge, Spencer, Sterling, Sturbridge, Sutton, Templeton, Webster, West Boylston, Westminster, and Winchendon, and the city of Worcester, in the county of Worcester."[5]
1870s–1880s
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1916: In Middlesex County: Everett, Malden, Somerville. In Suffolk County: Chelsea, Revere, Winthrop.[7][8]
1920s–1940s
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1950s
1953: "Counties: Barnstable, Dukes, and Nantucket. Bristol County: City of Fall River, ward 6, and city of New Bedford; towns of Acushnet, Dartmouth, Fairhaven, and Westport. Norfolk County: Town of Cohasset. Plymouth County: Towns of Abington, Bridgewater, Carver, Duxbury, East Bridgewater, Halifax, Hanover, Hanson, Hingham, Hull, Kingston, Lakeville, Marion, Marshfield, Mattapoisett, Middleborough, Norwell, Pembroke, Plymouth, Plympton, Rochester, Rockland, Scituate, Wareham, West Bridgewater, and Whitman."[9]
1977: "Norfolk County: Towns of Canton, Dedham, Dover, Needham, Norwood, Walpole, and Westwood. Suffolk County: City of Boston: Wards 3, 4, 6—14, 19, and 20."[11]
1980s
1985: "Bristol County: City of Taunton. Towns of Dighton, Easton, and Raynham. Norfolk County: Towns of Canton, Dedham, Needham, Norwood, Stoughton, and Westwood. Plymouth County: Towns of Bridgewater, Halifax, Lakeville, and Middleborough. Suffolk County: City of Boston: Wards 3, 6–14, 19, and 20."[12]
East Bridgewater is a town in Plymouth County, Massachusetts, United States. The population was 14,440 at the 2020 census. It is also a part of Massachusetts' 8th congressional district, of which it is represented by Stephen Lynch.
Bridgewater is a city in Plymouth County, Massachusetts, United States. As of the 2020 U.S. Census, the town's population was 28,633. The town center of Bridgewater is located approximately 25 miles (40 km) south of Boston, Massachusetts and approximately 35 miles east of Providence, Rhode Island. The town of Bridgewater was formerly a census-designed-place (CDP) until 2010, when Bridgewater was granted city status. Today, Bridgewater is one of 13 municipalities in Massachusetts that have applied for and have been granted a city government while claiming ‘the town of’ in their official names.
Massachusetts's 1st congressional district covers the western portion and the south of the central portion of the state. It is the largest and most sparsely populated district in the state, covering about 30% of the state's land area. The largest cities in the district are Springfield, Chicopee, Pittsfield, Westfield, and Holyoke.
Massachusetts's 2nd congressional district is located in central Massachusetts, encompassing much of Franklin, Hampshire, and Worcester counties, as well as small portions of Middlesex and Norfolk Counties. The largest municipalities in the district include Worcester, Leominster, Amherst, Shrewsbury, and Northampton.
Massachusetts's 3rd congressional district is located in north-central and northeastern Massachusetts. The largest municipalities in the district are Lowell, Lawrence, Haverhill, Methuen, Billerica (partial), Fitchburg, and Marlborough.
Massachusetts's 4th congressional district is located mostly in southern Massachusetts. It is represented by Democrat Jake Auchincloss. Auchincloss was first elected in 2020.
Massachusetts's 5th congressional district is a congressional district in eastern Massachusetts. The district is represented by Katherine Clark of the Democratic Party. Massachusetts's congressional redistricting after the 2010 census changed the borders of the district starting with the elections of 2012, with the new 3rd district largely taking the place of the old 5th. The 5th district covers many of the communities represented in the old 7th district.
Massachusetts's 8th congressional district is located in eastern Massachusetts, including part of Boston. It is represented by Democrat Stephen Lynch. For one congressional term (1791–1793), it served as the home district of the District of Maine. The district boundaries were significantly changed, as of the elections of 2012, due to redistricting after the 2010 census, with the old 8th district largely being shifted to the new 7th district. The new 8th district comprises many of the communities of the old 9th district, as well as some easternmost Norfolk County communities and northernmost Plymouth County communities of the old 10th district.
Massachusetts's 11th congressional district is an obsolete district that was active during three periods: 1795–1843, 1853–1863, and 1873–1993. The district was located in several different areas of the state. It was most recently eliminated in 1993 after the 1990 U.S. census. Its last congressman was Brian J. Donnelly.
Massachusetts's 7th congressional district is a congressional district located in eastern Massachusetts, including roughly three-fourths of the city of Boston and a few of its northern and southern suburbs. The seat is currently held by Democrat Ayanna Pressley.
Maryland's 1st congressional district encompasses the entire Eastern Shore of Maryland, including Salisbury, as well as Harford County and parts of Baltimore County; it is the largest congressional district in the state geographically, covering 11 counties.
Massachusetts's 10th congressional district is an obsolete district that was active during 1795–2013. It was first located in the District of Maine during 1795–1803, then located in several different areas of Massachusetts. It was most recently eliminated in 2013 as district lines were redrawn to accommodate the loss of the seat due to reapportionment as a result of the 2010 census.
Massachusetts's 6th congressional district is located in northeastern Massachusetts. It contains almost all of Essex County, including the North Shore and Cape Ann and excluding the Merrimack Valley, as well as some towns in Middlesex County.
Massachusetts's 14th congressional district is an obsolete district that was first active 1795–1820 in the District of Maine, and again active 1903–1963 in eastern Massachusetts. It was most recently eliminated in 1963 after the 1960 U.S. census. Its last congressman was Joseph William Martin Jr., who was redistricted into the 10th district.
Massachusetts is currently divided into nine congressional districts, each represented by a member of the United States House of Representatives. After the 2010 census, the number of seats in Massachusetts was decreased from 10 to nine, due to the State's low growth in population since the year 2000. This mandatory redistricting after the 2010 census eliminated Massachusetts's 10th congressional district, as well as causing a major shift in how the state's congressional districts are currently drawn.
Massachusetts's 12th congressional district is an obsolete district that was first active 1795–1803 in the District of Maine and 1803–1843 in Eastern Massachusetts. It was later active 1883–1893 in Western Massachusetts and 1893–1983 in Eastern Massachusetts. It was most recently eliminated as a result of the redistricting cycle after the 1980 census. Its last congressman was Gerry Studds, who was redistricted into the 10th district.
Massachusetts's 16th congressional district is an obsolete district. It was first active 1803–1821 in the District of Maine and again active 1913–1933 in the Cape Cod region. It was eliminated in 1933 after the 1930 census. Its last congressman was Charles L. Gifford, who was redistricted into the 15th district.
Massachusetts's 15th congressional district is an obsolete district that was first active 1803–1821 in the District of Maine, and again active 1913–1943 in Southeastern Massachusetts. It was last eliminated in 1943 after the 1940 census. Its last congressman was Charles L. Gifford, who was redistricted into the ninth district.
Southeastern Massachusetts is a region of Massachusetts located south of Boston and east of Rhode Island. It is commonly used to describe areas with cultural ties to both Boston and Providence, Rhode Island, and includes the cities of New Bedford and Fall River and their respective suburbs. Despite the location of Cape Cod and the islands to its south, which are the southeasternmost parts of the state, they are not often grouped in this designation. At its broadest definition, it includes all of Massachusetts south of Boston, southeast of Worcester, and east of Providence, Rhode Island, while at its narrowest definition, it is Bristol County and the Western portion of Plymouth County. The region including Cape Cod roughly corresponds with the location of the historic Plymouth Colony, which became part of Massachusetts in 1691.
Massachusetts House of Representatives' 8th Plymouth district in the United States is one of 160 legislative districts included in the lower house of the Massachusetts General Court. It covers parts of Bristol County and Plymouth County. Republican Angelo D'Emilia of Bridgewater has represented the district from 2011 to 2025. Upon D'Emilia's retirement, Democrat Dennis Gallagher defeated Republican Sandra Wright in the 2024 election, becoming the first Democrat to hold the seat since 2010.
↑ Francis M. Cox (1893). "Massachusetts". Official Congressional Directory: Fifty-Third Congress (2nded.). Washington DC: Government Printing Office. hdl:2027/mdp.39015022758133.
↑ "Massachusetts". Official Congressional Directory: 64th Congress. 1991/1992-: S. Pub. (2nded.). Washington DC: Government Printing Office. 1916. hdl:2027/uc1.l0075858456.
↑ "Massachusetts", 1977 Official Congressional Directory: 95th Congress, 1991/1992-: S. Pub., Washington DC: U.S. Government Printing Office, 1977, hdl:2027/uc1.31158002391372
↑ "Massachusetts". 1985–1986 Official Congressional Directory: 99th Congress. 1991/1992-: S. Pub. Washington DC: Government Printing Office. 1985. hdl:2027/uc1.31158013115752.
↑ "Massachusetts". Congressional Directory for the Second Session of the Thirty-Seventh Congress. Washington DC: House of Representatives. 1861.
↑ Ben. Perley Poore (1869). "Massachusetts". Congressional Directory for the First Session of the Forty-First Congress (2nded.). Washington DC: Government Printing Office. hdl:2027/nyp.33433081796686.
↑ Ben. Perley Poore (1878). "Massachusetts". Congressional Directory: 45th Congress (3rded.). Washington DC: Government Printing Office. ISBN9780160411762.
↑ L.A. Coolidge (1897). "Massachusetts". Official Congressional Directory: Fifty-Fifth Congress. Washington DC: Government Printing Office.
↑ A.J. Halford (1909). "Massachusetts". Congressional Directory: 60th Congress (2nded.). Washington DC: Government Printing Office.
↑ "Massachusetts". Official Congressional Directory: 75th Congress (2nded.). Washington DC: Government Printing Office. 1938.
↑ "Massachusetts". Official Congressional Directory: 90th Congress. Washington DC: Government Printing Office. 1968.
↑ "Massachusetts". 1991–1992 Official Congressional Directory: 102nd Congress. Washington DC: Government Printing Office. 1991.
The at-large and 10th–20th districts are obsolete. The 14th–20th districts moved to Maine in 1820, and the 14th–16th districts were later restored in Massachusetts.
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