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Massachusetts's 9th congressional district
U.S. House district for Massachusetts
U.S. House district for Massachusetts
| Field | Value |
|---|---|
| state | Massachusetts |
| district number | 9 |
| image name | |
| image caption | Interactive map of district boundaries since January 3, 2023 |
| representative | Bill Keating |
| party | Democratic |
| residence | Bourne |
| population | 797,381 |
| population year | 2024 |
| median income | $101,312 |
| percent white | 83.0 |
| percent hispanic | 6.0 |
| percent black | 2.6 |
| percent asian | 1.3 |
| percent more than one race | 5.3 |
| percent other race | 1.9 |
| cpvi | D+6 |
| percent more than one race = 5.3 Massachusetts's 9th congressional district is located in eastern Massachusetts. It is represented by Democrat Bill 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.
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.
Recent election results from statewide races
| Year | Office | Results | |
|---|---|---|---|
| 2008 | President | Obama 56% - 42% | |
| Senate | Kerry 61% - 39% | ||
| 2010 | Senate (Spec.) | Brown 59% - 41% | |
| Governor | Baker 47% - 44% | ||
| 2012 | President | Obama 55% - 45% | |
| Senate | Brown 53% - 47% | ||
| 2014 | Senate | Markey 55% - 45% | |
| Governor | Baker 54% - 41% | ||
| 2016 | President | Clinton 51% - 41% | |
| 2018 | Senate | Warren 51% - 46% | |
| Governor | Baker 74% - 26% | ||
| Secretary of the Commonwealth | Galvin 65% - 32% | ||
| Attorney General | Healey 61% - 39% | ||
| Treasurer and Receiver-General | Goldberg 59% - 38% | ||
| Auditor | Bump 56% - 39% | ||
| 2020 | President | Biden 58% - 40% | |
| Senate | Markey 58% - 41% | ||
| 2022 | Governor | Healey 56% - 42% | |
| Secretary of the Commonwealth | Galvin 62% - 36% | ||
| Attorney General | Campbell 54% - 46% | ||
| Auditor | DiZoglio 48% - 44% | ||
| 2024 | President | Harris 54% - 44% | |
| Senate | Warren 51% - 49% |
Cities and towns in the district
For the 118th and successive Congresses (based on redistricting following the 2020 census), the district contains all or portions of six counties and 49 municipalities:
Barnstable County (15) :All 15 municipalities Bristol County (6) :Acushnet, Dartmouth, Fairhaven, New Bedford, Raynham (part; also 4th), Westport Dukes County (7) :All 7 municipalities Nantucket County (1) :Nantucket Norfolk County (1) :Cohasset Plymouth County (19) :Bridgewater, Carver, Duxbury, Halifax, Hanover, Hanson, Kingston, Marion, Marshfield, Mattapoisett, Middleborough, Norwell, Pembroke, Plymouth, Plympton, Rochester, Rockland, Scituate, Wareham
Cities and towns in the district prior to 2013

1840s
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."
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."
1870s–1880s
1890s

1893: Boston, Wards 1, 2, 3, 6, 7, 8, 12, 16, 17, 18, 19 (Precincts 2, 3, 4, 6); Winthrop.
1900s

1910s
1916: In Middlesex County: Everett, Malden, Somerville. In Suffolk County: Chelsea, Revere, Winthrop.
1920s–1940s
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."
1960s
1963: Boston (Wards 4- 17, 19, 20).
1970s
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."
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."
2003–2013
In Bristol County: :Easton.
In Norfolk County: :Avon, Braintree, Canton, Dedham, Holbrook, Medfield, Milton, Needham, Norwood, Randolph, Stoughton, Walpole, Westwood.
In Plymouth County: :Bridgewater, Brockton, East Bridgewater, Hanson, Precincts 1 and 3, West Bridgewater, Whitman.
In Suffolk County: :Boston, Ward 3, Precincts 5 and 6; Ward 5, Precincts 3–5, 11; Ward 6; Ward 7, Precincts 1–9; Ward 13, Precincts 3, 7–10; Ward 15, Precinct 6; Ward 16, Precincts 2, 4–12; Ward 17, Precincts 4, 13, 14; Ward 18, Precincts 9–12, 16–20, 22, 23; Ward 19, Precincts 2, 7, 10–13; Ward 20.
List of members representing the district
| Representative | Party | Years | Cong | |||
|---|---|---|---|---|---|---|
| ress | Electoral history | District location | ||||
| District created March 4, 1795 | ||||||
| [[File:JosephBradleyVarnum.jpg | 100px]] | |||||
| Joseph B. Varnum | ||||||
| (Dracut) | Democratic- | |||||
| Republican | nowrap | March 4, 1795 – | ||||
| March 3, 1803 | Elected in 1795. | |||||
| Re-elected in 1796. | ||||||
| Re-elected in 1798. | ||||||
| Re-elected in 1800. | ||||||
| Redistricted to the . | 1795 – 1803 | |||||
| "2nd Middle district" | ||||||
| Phanuel Bishop | ||||||
| (Rehoboth) | Democratic- | |||||
| Republican | nowrap | March 4, 1803 – | ||||
| March 3, 1807 | Redistricted from the and re-elected in 1802. | |||||
| Re-elected in 1804. | ||||||
| Retired. | 1803 – 1815 | |||||
| "Bristol district" | ||||||
| Josiah Dean | ||||||
| (Raynham) | Democratic- | |||||
| Republican | nowrap | March 4, 1807 – | ||||
| March 3, 1809 | Elected in 1806. | |||||
| Lost re-election. | ||||||
| [[File:LabanWheaton.jpg | 100px]] | |||||
| Laban Wheaton | ||||||
| (Easton) | Federalist | nowrap | March 4, 1809 – | |||
| March 3, 1815 | Elected in 1808. | |||||
| Re-elected in 1810. | ||||||
| Re-elected in 1812. | ||||||
| Redistricted to the . | ||||||
| John Reed, Jr. | ||||||
| (Yarmouth) | Federalist | nowrap | March 4, 1815 – | |||
| March 3, 1817 | Redistricted from the and re-elected in 1814. | |||||
| Lost re-election. | 1815 – 1823 | |||||
| "Barnstable district" | ||||||
| [[File:Hon. Walter Folger.jpg | 100px]] | |||||
| Walter Folger, Jr. | ||||||
| (Nantucket) | Democratic- | |||||
| Republican | nowrap | March 4, 1817 – | ||||
| March 3, 1821 | Elected May 1, 1817 on the third ballot. | |||||
| Lost re-election. | ||||||
| John Reed Jr. | ||||||
| (Yarmouth) | Federalist | nowrap | March 4, 1821 – | |||
| March 3, 1823 | Elected in 1820. | |||||
| Redistricted to the . | ||||||
| [[File:Henry Williams Dwight by John Trumbull 1827.jpeg | 100px]] | |||||
| Henry W. Dwight | ||||||
| (Stockbridge) | Adams-Clay Federalist | nowrap | March 4, 1823 – | |||
| March 3, 1825 | Redistricted from the and re-elected in 1822. | |||||
| Re-elected in 1824. | ||||||
| Re-elected in 1827 on the second ballot. | ||||||
| Re-elected in 1828. | ||||||
| 1823 – 1833 | ||||||
| "Berkshire district" | ||||||
| Anti-Jacksonian | nowrap | March 4, 1825 – | ||||
| March 3, 1831 | ||||||
| [[File:George Nixon Briggs-Southworth and Hawes.jpg | 100px]] | |||||
| George N. Briggs | ||||||
| (Lanesboro) | Anti-Jackson | nowrap | March 4, 1831 – | |||
| March 3, 1833 | Elected in 1830. | |||||
| Redistricted to the . | ||||||
| William Jackson | ||||||
| (Newton) | Anti-Masonic | nowrap | March 4, 1833 – | |||
| March 3, 1837 | Elected in 1833. | |||||
| Re-elected in 1834. | ||||||
| Retired. | 1833–1843 | |||||
| William S. Hastings | ||||||
| (Mendon) | Whig | nowrap | March 4, 1837 – | |||
| June 17, 1842 | Elected in 1836. | |||||
| Re-elected in 1838. | ||||||
| Re-elected in 1840. | ||||||
| Died. | ||||||
| Vacant | nowrap | June 17, 1842 – | ||||
| March 3, 1843 | ||||||
| Henry Williams | ||||||
| (Taunton) | Democratic | nowrap | March 4, 1843 – | |||
| March 3, 1845 | Elected in 1842. | |||||
| Retired. | 1843–1853 | |||||
| Artemas Hale | ||||||
| (Bridgewater) | Whig | nowrap | March 4, 1845 – | |||
| March 3, 1849 | Elected in 1844. | |||||
| Re-elected in 1846. | ||||||
| Retired. | ||||||
| Orin Fowler | ||||||
| (Fall River) | Whig | nowrap | March 4, 1849 – | |||
| September 3, 1852 | Elected in 1848. | |||||
| Re-elected in 1850. | ||||||
| Died. | ||||||
| Vacant | nowrap | September 3, 1852 – | ||||
| December 13, 1852 | ||||||
| Edward P. Little | ||||||
| (Marshfield) | Democratic | nowrap | December 13, 1852 – | |||
| March 3, 1853 | Elected to finish Fowler's term. | |||||
| Retired. | ||||||
| [[File:Alexander De Witt (Massachusetts Congressman).jpg | 100px]] | |||||
| Alexander Dewitt | ||||||
| (Oxford) | Free Soil | nowrap | March 4, 1853 – | |||
| March 3, 1855 | Elected in 1852. | |||||
| Re-elected in 1854. | ||||||
| Lost re-election. | 1853–1863 | |||||
| Know Nothing | nowrap | March 4, 1855 – | ||||
| March 3, 1857 | ||||||
| [[File:Eli Thayer - Brady-Handy.jpg | 100px]] | |||||
| Eli Thayer | ||||||
| (Worcester) | Republican | nowrap | March 4, 1857 – | |||
| March 3, 1861 | Elected in 1856. | |||||
| Re-elected in 1858. | ||||||
| [[File:Goldsmith Bailey.png | 100px]] | |||||
| Goldsmith Bailey | ||||||
| (Fitchburg) | Republican | nowrap | March 4, 1861 – | |||
| May 8, 1862 | Elected in 1860. | |||||
| Died. | ||||||
| Vacant | nowrap | May 8, 1862 – | ||||
| December 1, 1862 | ||||||
| [[File:Amasa Walker.png | 100px]] | |||||
| Amasa Walker | ||||||
| (North Brookfield) | Republican | nowrap | December 1, 1862 – | |||
| March 3, 1863 | Elected to finish Bailey's term. | |||||
| [[File:William B. Washburn - Brady-Handy.jpg | 100px]] | |||||
| William B. Washburn | ||||||
| (Greenfield) | Republican | nowrap | March 4, 1863 – | |||
| December 5, 1871 | Elected in 1862. | |||||
| Re-elected in 1864. | ||||||
| Re-elected in 1866. | ||||||
| Re-elected in 1868. | ||||||
| Re-elected in 1870. | ||||||
| Resigned to become governor of Massachusetts. | 1863–1873 | |||||
| Vacant | nowrap | December 5, 1871 – | ||||
| January 2, 1872 | ||||||
| [[File:Alvah Crocker.png | 100px]] | |||||
| Alvah Crocker | ||||||
| (Fitchburg) | Republican | nowrap | January 2, 1872 – | |||
| March 3, 1873 | Elected to finish Washburn's term. | |||||
| Redistricted to the . | ||||||
| [[File:George Frisbie Hoar - Brady-Handy.jpg | 100px]] | |||||
| George Frisbie Hoar | ||||||
| (Worcester) | Republican | nowrap | March 4, 1873 – | |||
| March 3, 1877 | Redistricted from the and re-elected in 1872. | |||||
| Re-elected in 1874. | ||||||
| 1873–1883 | ||||||
| [[File:WWRice.jpg | 100px]] | |||||
| William W. Rice | ||||||
| (Worcester) | Republican | nowrap | March 4, 1877 – | |||
| March 3, 1883 | Elected in 1876. | |||||
| Re-elected in 1878. | ||||||
| Re-elected in 1880. | ||||||
| [[File:Theodore Lyman III.png | 100px]] | |||||
| Theodore Lyman | ||||||
| (Brookline) | Independent | |||||
| Republican | nowrap | March 4, 1883 – | ||||
| March 3, 1885 | Elected in 1882. | |||||
| 1883–1893 | ||||||
| [[File:FDEly.jpg | 100px]] | |||||
| Frederick D. Ely | ||||||
| (Dedham) | Republican | nowrap | March 4, 1885 – | |||
| March 3, 1887 | Elected in 1884. | |||||
| Lost re-election. | ||||||
| [[File:Edward Burnett, 50th Congress Massachusetts Delegation LCCN2001695640.jpg | 100px]] | |||||
| Edward Burnett | ||||||
| (Southborough) | Democratic | nowrap | March 4, 1887 – | |||
| March 3, 1889 | Elected in 1886. | |||||
| [[File:John Wilson Candler.png | 100px]] | |||||
| John W. Candler | ||||||
| (Worcester) | Republican | nowrap | March 4, 1889 – | |||
| March 3, 1891 | Elected in 1888. | |||||
| [[File:George F. Williams.png | 100px]] | |||||
| George F. Williams | ||||||
| (Dedham) | Democratic | nowrap | March 4, 1891 – | |||
| March 3, 1893 | Elected in 1890. | |||||
| [[File:Joseph Henry O'Neil.png | 100px]] | |||||
| Joseph H. O'Neil | ||||||
| (Boston) | Democratic | nowrap | March 4, 1893 – | |||
| March 3, 1895 | Elected in 1892. | |||||
| Lost renomination. | 1893–1903 | |||||
| [[File:J. F. Fitzgerald.jpg | 100px]] | |||||
| John F. Fitzgerald | ||||||
| (Boston) | Democratic | nowrap | March 4, 1895 – | |||
| March 3, 1901 | Elected in 1894. | |||||
| Re-elected in 1896. | ||||||
| Re-elected in 1898. | ||||||
| [[File:Joseph A. Conry.png | 100px]] | |||||
| Joseph A. Conry | ||||||
| (Boston) | Democratic | nowrap | March 4, 1901 – | |||
| March 3, 1903 | Elected in 1900. | |||||
| [[File:John A Keliher Massachusetts Congressman circa 1908.png | 100px]] | |||||
| John A. Keliher | ||||||
| (Boston) | Democratic | nowrap | March 4, 1903 – | |||
| March 3, 1911 | Elected in 1902. | |||||
| Re-elected in 1904. | ||||||
| Re-elected in 1906. | ||||||
| Re-elected in 1908. | ||||||
| 1903–1913 | ||||||
| [[File:William Francis Murray U.S. Representative from Massachusetts and the Postmaster of Boston.png | 100px]] | |||||
| William F. Murray | ||||||
| (Boston) | Democratic | nowrap | March 4, 1911 – | |||
| March 3, 1913 | Elected in 1910. | |||||
| [[File:Ernest W Roberts Massachusetts Congressman.png | 100px]] | |||||
| Ernest W. Roberts | ||||||
| (Chelsea) | Republican | nowrap | March 3, 1913 – | |||
| March 3, 1917 | Elected in 1912. | |||||
| Re-elected in 1914. | ||||||
| 1913–1933 | ||||||
| [[File:Alvin T Fuller.png | 100px]] | |||||
| Alvan T. Fuller | ||||||
| (Malden) | Republican | nowrap | March 4, 1917 – | |||
| January 5, 1921 | Elected in 1916. | |||||
| Re-elected in 1918. | ||||||
| Resigned after being elected Lieutenant Governor. | ||||||
| Vacant | nowrap | January 5, 1921 – | ||||
| March 3, 1921 | ||||||
| [[File:Charles Lee Underhill.png | 100px]] | |||||
| Charles L. Underhill | ||||||
| (Somerville) | Republican | nowrap | March 4, 1921 – | |||
| March 3, 1933 | Elected in 1920. | |||||
| Re-elected in 1922. | ||||||
| Re-elected in 1924. | ||||||
| Re-elected in 1926. | ||||||
| Re-elected in 1928. | ||||||
| Re-elected in 1930. | ||||||
| Retired. | ||||||
| [[File:Robert Luce.png | 100px]] | |||||
| Robert Luce | ||||||
| (Waltham) | Republican | nowrap | March 4, 1933 – | |||
| January 3, 1935 | Elected in 1932. | |||||
| 1933–1943 | ||||||
| Richard M. Russell | ||||||
| (Cambridge) | Democratic | nowrap | January 3, 1935 – | |||
| January 3, 1937 | Elected in 1934. | |||||
| [[File:Robert Luce.png | 100px]] | |||||
| Robert Luce | ||||||
| (Waltham) | Republican | nowrap | January 3, 1937 – | |||
| January 3, 1941 | Elected in 1936. | |||||
| Re-elected in 1938. | ||||||
| [[File:Thomas H. Eliot (Massachusetts Congressman).jpg | 100px]] | |||||
| Thomas H. Eliot | ||||||
| (Cambridge) | Democratic | nowrap | January 3, 1941 – | |||
| January 3, 1943 | Elected in 1940. | |||||
| Lost renomination. | ||||||
| [[File:Charles L. Gifford (Massachusetts Congressman).jpg | 100px]] | |||||
| Charles L. Gifford | ||||||
| (Cotuit) | Republican | nowrap | January 3, 1943 – | |||
| August 23, 1947 | Elected in 1942. | |||||
| Re-elected in 1944. | ||||||
| Re-elected in 1946. | ||||||
| Died. | 1943–1953 | |||||
| Vacant | nowrap | August 23, 1947 – | ||||
| November 18, 1947 | ||||||
| [[File:Donald W. Nicholson (Massachusetts Congressman).jpg | 100px]] | |||||
| Donald W. Nicholson | ||||||
| (Wareham) | Republican | November 18, 1947 – | ||||
| January 3, 1959 | Elected to finish Gifford's term. | |||||
| Re-elected in 1948. | ||||||
| Re-elected in 1950. | ||||||
| Re-elected in 1952. | ||||||
| Re-elected in 1954. | ||||||
| Re-elected in 1956. | ||||||
| 1953–1963 | ||||||
| [[File:Hastings Keith.jpg | 100px]] | |||||
| Hastings Keith | ||||||
| (West Bridgewater) | Republican | nowrap | January 3, 1959 – | |||
| January 3, 1963 | Elected in 1958. | |||||
| Re-elected in 1960. | ||||||
| Redistricted to . | ||||||
| [[File:John W. McCormack (Speaker of the US House).jpg | 100px]] | |||||
| John W. McCormack | ||||||
| (Boston) | Democratic | nowrap | January 3, 1963 – | |||
| January 3, 1971 | Redistricted from the and re-elected in 1962. | |||||
| Re-elected in 1964. | ||||||
| Re-elected in 1966. | ||||||
| Re-elected in 1968. | ||||||
| Retired. | 1963–1973 | |||||
| [[File:Louise Day Hicks.jpg | 100px]] | |||||
| Louise Day Hicks | ||||||
| (Boston) | Democratic | nowrap | January 3, 1971 – | |||
| January 3, 1973 | Elected in 1970. | |||||
| Lost re-election. | ||||||
| [[File:Joemoakley.jpg | 100px]] | |||||
| Joe Moakley | ||||||
| (Boston) | Democratic | January 3, 1973 – | ||||
| May 28, 2001 | Elected in 1972 as an Independent, but became a Democrat at beginning of the term | |||||
| Re-elected in 1974. | ||||||
| Re-elected in 1976. | ||||||
| Re-elected in 1978. | ||||||
| Re-elected in 1980. | ||||||
| Re-elected in 1982. | ||||||
| Re-elected in 1984. | ||||||
| Re-elected in 1986. | ||||||
| Re-elected in 1988. | ||||||
| Re-elected in 1990. | ||||||
| Re-elected in 1992. | ||||||
| Re-elected in 1994. | ||||||
| Re-elected in 1996. | ||||||
| Re-elected in 1998. | ||||||
| Re-elected in 2000. | ||||||
| Announced retirement, then died. | 1973–1983 | |||||
| 1983–1993 | ||||||
| 1993–2003 | ||||||
| Vacant | nowrap | May 28, 2001 – | ||||
| October 15, 2001 | ||||||
| [[File:Stephen F. Lynch, 2008 cropped.jpg | 100px]] | |||||
| Stephen F. Lynch | ||||||
| (Boston) | Democratic | October 16, 2001 – | ||||
| January 3, 2013 | Elected to finish Moakley's term. | |||||
| Re-elected in 2002. | ||||||
| Re-elected in 2004. | ||||||
| Re-elected in 2006. | ||||||
| Re-elected in 2008. | ||||||
| Re-elected in 2010. | ||||||
| Redistricted to the . | ||||||
| 2003–2013 | ||||||
| [[File:Ma09 109.gif | 300px]] | |||||
| [[File:Bill Keating 113th Congress.jpg | 100px]] | |||||
| Bill Keating | ||||||
| (Bourne) | Democratic | January 3, 2013 – | ||||
| present | Redistricted from the and re-elected in 2012. | |||||
| Re-elected in 2014. | ||||||
| Re-elected in 2016. | ||||||
| Re-elected in 2018. | ||||||
| Re-elected in 2020. | ||||||
| Re-elected in 2022. | ||||||
| Re-elected in 2024. | 2013–2023 | |||||
| [[File:Massachusetts US Congressional District 9 (since 2013).tif | 300px]] | |||||
| 2023–present | ||||||
| [[File:Massachusetts's 9th congressional district (since 2023).svg | 250px]] |
Election results
2012
2014
2016
2018
2020
2022
2024
Partisan clients
--
References
References
- Center for New Media & Promotion (CNMP), US Census Bureau. "My Congressional District".
- (April 3, 2025). "2025 Cook PVI℠: District Map and List (119th Congress)".
- "Dra 2020".
- [https://www2.census.gov/geo/maps/cong_dist/cd118/cd_based/ST25/CD118_MA06.pdf https://www2.census.gov/geo/maps/cong_dist/cd118/cd_based/ST25/CD118_MA09.pdf]
- John Hayward. (1849). "Gazetteer of Massachusetts". J.P. Jewett & Co..
- (1862). "Massachusetts Register 1862". Adams, Sampson, & Co..
- Francis M. Cox. (1893). "Official Congressional Directory: Fifty-Third Congress". Government Printing Office.
- (1916). "Official Congressional Directory: 64th Congress". Government Printing Office.
- Commonwealth of Massachusetts. (1921). "Population of Massachusetts as determined by the fourteenth census of the United States 1920". Wright & Potter.
- (1953). "Official Congressional Directory: 83rd Congress". Government Printing Office.
- (1963). "Official Congressional Directory: 88th Congress". Government Printing Office.
- (1977). "1977 Official Congressional Directory: 95th Congress". U.S. Government Printing Office.
- (1985). "1985–1986 Official Congressional Directory: 99th Congress". Government Printing Office.
- (1861). "Congressional Directory for the Second Session of the Thirty-Seventh Congress". House of Representatives.
- Ben. Perley Poore. (1869). "Congressional Directory for the First Session of the Forty-First Congress". Government Printing Office.
- Ben. Perley Poore. (1878). "Congressional Directory: 45th Congress". Government Printing Office.
- L.A. Coolidge. (1897). "Official Congressional Directory: Fifty-Fifth Congress". Government Printing Office.
- A.J. Halford. (1909). "Congressional Directory: 60th Congress". Government Printing Office.
- (1938). "Official Congressional Directory: 75th Congress". Government Printing Office.
- (1968). "Official Congressional Directory: 90th Congress". Government Printing Office.
- (1991). "1991–1992 Official Congressional Directory: 102nd Congress". Government Printing Office.
- "PD43+ » Search Elections".
- The totals do not include Blank/Scatterings Ballots although they were reported.
- "PD43+ » Search Elections".
- (November 8, 2016). "Massachusetts Secretary of State General Election Results 2016". Massachusetts Secretary of State.
- (2018). "Massachusetts Election Results". Washington Post.
- "2020 - US House - All General Election Results".
- "2022 - US House - All General Election Results".
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