Massachusetts's congressional districts

Massachusetts is currently divided into 9 congressional districts, each represented by a member of the United States House of Representatives. After the 2010 census, the number of Massachusetts's seats was decreased from 10 to 9 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, and also caused a major shift in how the state's congressional districts are currently drawn.

The Commonwealth's districts since 2013[1]

Current districts and representatives

List of members of the Massachusettsan United States House delegation, their terms, their district boundaries, and the districts' political rating according to the CPVI. The delegation has a total of 9 members, all of whom are members of the Democratic party.

District Representative Party CPVI Incumbency District map
1st Richard Neal (D-Springfield) Democratic D+12 January 3, 1989 – present
2nd Jim McGovern (D-Worcester) Democratic D+9 January 3, 1997 – present
3rd Lori Trahan (D-Westford) Democratic D+9 January 3, 2019 – present
4th Jake Auchincloss (D-Newton) Democratic D+9 January 3, 2021 – present
5th Katherine Clark (D-Melrose) Democratic D+18 December 12, 2013 – present
6th Seth Moulton (D-Salem) Democratic D+6 January 3, 2015 – present
7th Ayanna Pressley (D-Boston) Democratic D+34 January 3, 2019 – present
8th Stephen Lynch (D-Boston) Democratic D+10 October 16, 2001 – present
9th Bill Keating (D-Bourne) Democratic D+4 January 3, 2011 – present

After the 1890 Census and starting with the Fifty-third United States Congress in 1893, Massachusetts Congressional Districts were numbered west to east: with the first district in the west (Berkshire County) and the highest numbered district at Cape Cod.

Before then, the district numeration was not as consistent; sometimes running east to west, other times going counter-clockwise around Boston.

History of apportionment
Census
Year		 Resident
Population[nb 1]		 Number of
Representatives[nb 2]		 Constituents
per Representative
(Massachusetts)		 Constituents
per Representative
(nationally)
1789 No Census 8 N/A N/A
1790 378,787 14 27,056 30,000
1800 422,845 17 24,873 33,000
1810 472,040 20 23,602 35,000
1820 523,287 13 40,253 40,000
1830 610,408 12 50,867 47,700
1840 737,699 10 73,770 70,680
1850 994,514 11 90,410 93,425
1860 1,231,066 10 123,107 127,381
1870 1,457,351 11 132,486 131,425
1880 1,783,085 12 148,590 151,912
1890 2,238,947 13 172,227 173,901
1900 2,805,346 14 200,381 194,182
1910 3,366,416 16 210,401 212,407
1920 3,852,356 16 N/A N/A
1930 4,249,614 15 283,307 280,675
1940 4,316,721 14 308,337 301,164
1950 4,690,514 14 335,037 344,587
1960 5,148,578 12 429,048 410,481
1970 5,689,170 12 477,223 469,088
1980 5,737,093 11 521,549 519,235
1990 6,016,425 10 602,905 572,466
2000 6,349,097 10 635,557 646,952
2010 6,547,629 9[2][3] 728,849 710,767

Source: U.S. Census Bureau.

Historical and present district boundaries

Table of United States congressional district boundary maps in the State of Massachusetts, presented chronologically.[4] All redistricting events that took place in Massachusetts between 1973 and 2013 are shown.

Year Statewide map Boston highlight
1973–1982
1983–1992
1993–2002
2003–2013
Since 2013
  • The Commonwealth's districts, as of 1796.
  • The Commonwealth's districts, as of 1842.
  • The Commonwealth's districts, as of 1891.
  • The Commonwealth's districts, as of 1901.

See also

Notes
  1. The resident population excludes the overseas population.
  2. Congressional apportionment for each state is based upon (1) the resident population and (2) the overseas U.S. military and federal civilian employees (and their dependents living with them) allocated to their home state, as reported by the employing federal agencies.

References
  1. "The national atlas". nationalatlas.gov. Archived from the original on February 22, 2014. Retrieved February 2, 2014.
  2. "Deval Patrick Signs New Massachusetts Map", Roll Call, Washington, DC, November 21, 2011
  3. "Massachusetts Redistricting Analysis". Daily Kos. November 14, 2011. Retrieved November 27, 2013.
  4. "Digital Boundary Definitions of United States Congressional Districts, 1789–2012". Retrieved October 18, 2014.

Further reading

19th century
  • "State Apportionment". Massachusetts Register ... for 1843. Boston: Loring.
  • John Hayward (1849). "Congressional Districts". Gazetteer of Massachusetts. Boston: J.P. Jewett & Co.
  • "Massachusetts". Congressional Directory for the Second Session of the Thirty-Seventh Congress. Washington DC: House of Representatives. 1861.
  • "Congressional Districts". Massachusetts Register 1862. Boston: Adams, Sampson, & Co.
  • Ben. Perley Poore (1869). "Massachusetts". Congressional Directory for the First Session of the Forty-First Congress (2nd ed.). Washington DC: Government Printing Office.
  • Ben. Perley Poore (1878). "Massachusetts". Congressional Directory: 45th Congress (3rd ed.). Washington DC: Government Printing Office.
  • Ben. Perley Poore (1882). "Massachusetts". Congressional Directory: 47th Congress (3rd ed.). Washington DC: Government Printing Office.
  • Ben. Perley Poore (1884). "Massachusetts". Congressional Directory: Forty-Eighth Congress (2nd ed.). Washington DC: Government Printing Office.
  • W.H. Michael (1889). "Massachusetts". Official Congressional Directory: Fiftieth Congress (2nd ed.). Washington DC: Government Printing Office.
  • Francis M. Cox (1893). "Massachusetts". Official Congressional Directory: Fifty-Third Congress (2nd ed.). Washington DC: Government Printing Office.
  • L.A. Coolidge (1897). "Massachusetts". Official Congressional Directory: Fifty-Fifth Congress. Washington DC: Government Printing Office.

20th century
  • "Massachusetts". Official Congressional Directory: Fifty-Sixth Congress (2nd ed.). Washington DC: Government Printing Office. 1900.
  • A.J. Halford (1903). "Massachusetts". Official Congressional Directory: Fifty-Eighth Congress. Washington DC: Government Printing Office.
  • A.J. Halford (1909). "Massachusetts". Congressional Directory: 60th Congress (2nd ed.). Washington DC: Government Printing Office.
  • "Massachusetts". Official Congressional Directory: 64th Congress (2nd ed.). Washington DC: Government Printing Office. 1916.
  • Commonwealth of Massachusetts (1921), "Population of Congressional Districts", Population of Massachusetts as determined by the fourteenth census of the United States 1920, Boston: Wright & Potter
  • "Massachusetts". Official Congressional Directory: 68th Congress (3rd ed.). Washington DC: Government Printing Office. 1924.
  • "Massachusetts". Official Congressional Directory: 70th Congress. Washington DC: Government Printing Office. 1927.
  • "Massachusetts". Official Congressional Directory: 73rd Congress (2nd ed.). Washington DC: Government Printing Office. 1934.
  • "Massachusetts". Official Congressional Directory: 75th Congress (2nd ed.). Washington DC: Government Printing Office. 1938.
  • Commonwealth of Massachusetts (1941), "Population of Congressional Districts", Population of Massachusetts as determined by the sixteenth census of the United States, 1940, Boston: Wright & Potter, OCLC 10056477, House No. 2849
  • "Massachusetts". Official Congressional Directory: 80th Congress. Washington DC: Government Printing Office. 1947.
  • "Massachusetts". Official Congressional Directory: 81st Congress. Washington DC: Government Printing Office. 1949.
  • "Massachusetts". Official Congressional Directory: 83rd Congress. Washington DC: Government Printing Office. 1953.
  • "Massachusetts". Official Congressional Directory: 85th Congress. Washington DC: Government Printing Office. 1958.
  • "Massachusetts". Congressional Directory: 87th Congress. Washington DC: Government Printing Office. 1961.
  • "Massachusetts". Official Congressional Directory: 88th Congress. Washington DC: Government Printing Office. 1963.
  • "Massachusetts". Official Congressional Directory: 90th Congress. Washington DC: Government Printing Office. 1968.
  • "Massachusetts". Official Congressional Directory: 92nd Congress. Washington DC: Government Printing Office. 1972.
  • "Massachusetts". Official Congressional Directory: 93rd Congress. Washington DC: Government Printing Office. 1973.
  • "Massachusetts", 1977 Official Congressional Directory: 95th Congress, Washington DC: U.S. Government Printing Office, 1977
  • "Massachusetts". 1985-1986 Official Congressional Directory: 99th Congress. Washington DC: Government Printing Office. 1985.
  • "Massachusetts". 1991-1992 Official Congressional Directory: 102nd Congress. Washington DC: Government Printing Office. 1991.
  • "Congressional Biographies: Massachusetts", Congressional Directory for the 105th Congress (1997-1998), Washington DC: U.S. Government Printing Office, 1997

21st century
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