United States congressional delegations from Massachusetts

Template:Short description Template:Use mdy dates These are tables of congressional delegations from Massachusetts to the United States House of Representatives and the United States Senate.

Current delegation

Massachusetts is currently represented by two senators and nine representatives, all of whom are Democrats. The current dean of the Massachusetts delegation is Senator Ed Markey, having served as a Senator since 2013 and in Congress since 1976.

Current U.S. senators from Massachusetts
Template:Big CPVI Template:Small:<ref>{{#invoke:citation/CS1|citation CitationClass=web }}</ref> Template:Shading PVI	Class I senator	Class II senator
	Elizabeth Warren Template:Small Template:Small	Ed Markey Template:Small Template:Small
Party	Template:Party shading/Text/Democratic	Template:Party shading/Text/Democratic
Incumbent since	January 3, 2013	July 16, 2013

{{#section:Massachusetts's congressional districts|Current representatives}}

United States Senate

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Class I senator		Congress	Class II senator
Template:Party cell | Tristram Dalton (PA)		Template:USCongressOrdinal (1789–1791)		rowspan=4 Template:Party cell | Caleb Strong (PA)
rowspan=3 Template:Party cell | George Cabot (PA)		Template:USCongressOrdinal (1791–1793)
Template:USCongressOrdinal (1793–1795)
Template:USCongressOrdinal (1795–1797)
			rowspan=3 Template:Party cell | Benjamin Goodhue (F)	rowspan=2 Template:Party cell | Theodore Sedgwick (F)
	Template:USCongressOrdinal (1797–1799)
	Template:USCongressOrdinal (1799–1801)		Template:Party cell | Samuel Dexter (F)
			rowspan=2 Template:Party cell | Jonathan Mason (F)	rowspan=2 Template:Party cell | Dwight Foster (F)
	Template:USCongressOrdinal (1801–1803)
rowspan=3 Template:Party cell | John Quincy Adams (F)			Template:USCongressOrdinal (1803–1805)	rowspan=5 Template:Party cell | Timothy Pickering (F)
Template:USCongressOrdinal (1805–1807)
Template:USCongressOrdinal (1807–1809)
			rowspan=4 Template:Party cell | James Lloyd (F)
	Template:USCongressOrdinal (1809–1811)
	Template:USCongressOrdinal (1811–1813)		rowspan=5 Template:Party cell | Joseph Bradley Varnum (DR)
	Template:USCongressOrdinal (1813–1815)
			rowspan=2 Template:Party cell | Christopher Gore (F)
	Template:USCongressOrdinal (1815–1817)
			rowspan=2 Template:Party cell | Eli P. Ashmun (F)
	Template:USCongressOrdinal (1817–1819)		rowspan=5 Template:Party cell | Harrison Gray Otis (F)
			rowspan=2 Template:Party cell | Prentiss Mellen (F)
	Template:USCongressOrdinal (1819–1821)
			rowspan=4 Template:Party cell | Elijah H. Mills (F)
	Template:USCongressOrdinal (1821–1823)
			rowspan=2 Template:Party cell | James Lloyd (F)
	Template:USCongressOrdinal (1823–1825)
	rowspan=2 Template:Party cell | Elijah H. Mills (NR)		Template:USCongressOrdinal (1825–1827)	Template:Party cell | James Lloyd (NR)
	rowspan=5 Template:Party cell | Nathaniel Silsbee (NR)
rowspan=5 Template:Party cell | Daniel Webster (NR)			Template:USCongressOrdinal (1827–1829)
Template:USCongressOrdinal (1829–1831)
Template:USCongressOrdinal (1831–1833)
	Template:USCongressOrdinal (1833–1835)
	Template:USCongressOrdinal (1835–1837)		Template:Party cell | John Davis (NR)
	rowspan=3 Template:Party cell | Daniel Webster (W)		Template:USCongressOrdinal (1837–1839)	rowspan=2 Template:Party cell | John Davis (W)
	Template:USCongressOrdinal (1839–1841)
			rowspan=4 Template:Party cell | Isaac C. Bates (W)
	rowspan=2 Template:Party cell | Rufus Choate (W)	Template:USCongressOrdinal (1841–1843)
	Template:USCongressOrdinal (1843–1845)
rowspan=4 Template:Party cell | Daniel Webster (W)		Template:USCongressOrdinal (1845–1847)
rowspan=6 Template:Party cell | John Davis (W)
Template:USCongressOrdinal (1847–1849)
Template:USCongressOrdinal (1849–1851)
			Template:Party cell | Robert C. Winthrop (W)
			Template:Party cell | Robert Rantoul Jr. (D)
rowspan=5 Template:Party cell | Charles Sumner (FS)			Template:USCongressOrdinal (1851–1853)
Template:USCongressOrdinal (1853–1855)			Template:Party cell | Edward Everett (W)
			Template:Party cell | Julius Rockwell (W)
			Template:Party cell | Henry Wilson (FS)
Template:USCongressOrdinal (1855–1857)			rowspan=9 Template:Party cell | Henry Wilson (R)
rowspan=8 Template:Party cell | Charles Sumner (R)			Template:USCongressOrdinal (1857–1859)
Template:USCongressOrdinal (1859–1861)
Template:USCongressOrdinal (1861–1863)
	Template:USCongressOrdinal (1863–1865)
	Template:USCongressOrdinal (1865–1867)
	Template:USCongressOrdinal (1867–1869)
	Template:USCongressOrdinal (1869–1871)
	Template:USCongressOrdinal (1871–1873)
	Template:Party cell | Charles Sumner (LR)		Template:USCongressOrdinal (1873–1875)	rowspan=3 Template:Party cell | George S. Boutwell (R)
	Template:Party cell | William B. Washburn (R)
rowspan=9 Template:Party cell | Henry L. Dawes (R)			Template:USCongressOrdinal (1875–1877)
Template:USCongressOrdinal (1877–1879)			rowspan=14 Template:Party cell | George F. Hoar (R)
Template:USCongressOrdinal (1879–1881)
	Template:USCongressOrdinal (1881–1883)
	Template:USCongressOrdinal (1883–1885)
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	Template:USCongressOrdinal (1889–1891)
	Template:USCongressOrdinal (1891–1893)
rowspan=17 Template:Party cell | Henry Cabot Lodge (R)			Template:USCongressOrdinal (1893–1895)
Template:USCongressOrdinal (1895–1897)
Template:USCongressOrdinal (1897–1899)
	Template:USCongressOrdinal (1899–1901)
	Template:USCongressOrdinal (1901–1903)
	Template:USCongressOrdinal (1903–1905)
			rowspan=5 Template:Party cell | Winthrop M. Crane (R)
	Template:USCongressOrdinal (1905–1907)
	Template:USCongressOrdinal (1907–1909)
	Template:USCongressOrdinal (1909–1911)
	Template:USCongressOrdinal (1911–1913)
	Template:USCongressOrdinal (1913–1915)		rowspan=3 Template:Party cell | John W. Weeks (R)
	Template:USCongressOrdinal (1915–1917)
	Template:USCongressOrdinal (1917–1919)
	Template:USCongressOrdinal (1919–1921)		rowspan=4 Template:Party cell | David I. Walsh (D)
	Template:USCongressOrdinal (1921–1923)
	Template:USCongressOrdinal (1923–1925)
			rowspan=2 Template:Party cell | William M. Butler (R)
	Template:USCongressOrdinal (1925–1927)		rowspan=4 Template:Party cell | Frederick H. Gillett (R)
			rowspan=12 Template:Party cell | David I. Walsh (D)
	Template:USCongressOrdinal (1927–1929)
	Template:USCongressOrdinal (1929–1931)
	Template:USCongressOrdinal (1931–1933)		rowspan=3 Template:Party cell | Marcus A. Coolidge (D)
	Template:USCongressOrdinal (1933–1935)
	Template:USCongressOrdinal (1935–1937)
	Template:USCongressOrdinal (1937–1939)		rowspan=4 Template:Party cell | Henry Cabot Lodge Jr. (R)
	Template:USCongressOrdinal (1939–1941)
	Template:USCongressOrdinal (1941–1943)
	Template:USCongressOrdinal (1943–1945)
			Template:Party cell | Sinclair Weeks (R)
	Template:USCongressOrdinal (1945–1947)		rowspan=13 Template:Party cell | Leverett Saltonstall (R)
rowspan=3 Template:Party cell | Henry Cabot Lodge Jr. (R)			Template:USCongressOrdinal (1947–1949)
Template:USCongressOrdinal (1949–1951)
Template:USCongressOrdinal (1951–1953)
rowspan=4 Template:Party cell | John F. Kennedy (D)			Template:USCongressOrdinal (1953–1955)
Template:USCongressOrdinal (1955–1957)
Template:USCongressOrdinal (1957–1959)
	Template:USCongressOrdinal (1959–1961)
			rowspan=2 Template:Party cell | Benjamin A. Smith II (D)
	Template:USCongressOrdinal (1961–1963)
			rowspan=26 Template:Party cell | Ted Kennedy (D)
	Template:USCongressOrdinal (1963–1965)
	Template:USCongressOrdinal (1965–1967)
	Template:USCongressOrdinal (1967–1969)		rowspan=6 Template:Party cell | Edward Brooke (R)
	Template:USCongressOrdinal (1969–1971)
	Template:USCongressOrdinal (1971–1973)
	Template:USCongressOrdinal (1973–1975)
	Template:USCongressOrdinal (1975–1977)
	Template:USCongressOrdinal (1977–1979)
	Template:USCongressOrdinal (1979–1981)		rowspan=3 Template:Party cell | Paul Tsongas (D)
	Template:USCongressOrdinal (1981–1983)
	Template:USCongressOrdinal (1983–1985)
			rowspan=18 Template:Party cell | John Kerry (D)
	Template:USCongressOrdinal (1985–1987)
	Template:USCongressOrdinal (1987–1989)
	Template:USCongressOrdinal (1989–1991)
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	Template:USCongressOrdinal (1993–1995)
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	Template:USCongressOrdinal (2001–2003)
	Template:USCongressOrdinal (2003–2005)
	Template:USCongressOrdinal (2005–2007)
	Template:USCongressOrdinal (2007–2009)
	Template:USCongressOrdinal (2009–2011)
			Template:Party cell | Paul G. Kirk (D)
			rowspan=2 Template:Party cell | Scott Brown (R)
	Template:USCongressOrdinal (2011–2013)
rowspan=9 Template:Party cell | Elizabeth Warren (D)			Template:USCongressOrdinal (2013–2015)
Template:Party cell | Mo Cowan (D)
rowspan=7 Template:Party cell | Ed Markey (D)
Template:USCongressOrdinal (2015–2017)
Template:USCongressOrdinal (2017–2019)
	Template:USCongressOrdinal (2019–2021)
	Template:USCongressOrdinal (2021–2023)
	Template:USCongressOrdinal (2023–2025)
	Template:USCongressOrdinal (2025–2027)

United States House of Representatives

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1789 to 1793: 8 seats

Article I of the United States Constitution allocated 8 seats to Massachusetts.

Congress	District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal Template:Nowrap	rowspan=3 Template:Party cell | Fisher Ames (PA)	rowspan=3 Template:Party cell | Benjamin Goodhue (PA)	rowspan=3 Template:Party cell | Elbridge Gerry (AA)	rowspan=3 Template:Party cell | Theodore Sedgwick (PA)	Template:Party cell | George Partridge (PA)	rowspan=2 Template:Party cell | George Thatcher (PA)	rowspan=2 Template:Party cell | George Leonard (PA)	rowspan=2 Template:Party cell | Jonathan Grout (AA)
	Template:Party cell | vacant
Template:USCongressOrdinal Template:Nowrap	Template:Party cell | Shearjashub Bourne (PA)	Template:Party cell | George Leonard (PA)	Template:Party cell | Artemas Ward (PA)	Template:Party cell | George Thatcher (PA)

1793 to 1803: 14 seats

After the 1790 census, Massachusetts gained six seats.

In the third Congress only, there were plural districts in which more than one member would be elected from the same district and there was also an at-large seat. After that Congress, however, there would be no at-large seats and no plural seats.

Congress	District
	Template:Ushr (4 seats)				Template:Ushr (4 seats)				Template:Ushr (2 seats)		Template:Ushr (3 seats)			Template:Ushr
Template:USCongressOrdinal Template:Nowrap	Template:Party cell | Samuel Holten (AA)	Template:Party cell | Benjamin Goodhue (PA)	Template:Party cell | Samuel Dexter (PA)	Template:Party cell | Fisher Ames (PA)	Template:Party cell | Dwight Foster (PA)	Template:Party cell | Theodore Sedgwick (PA)	Template:Party cell | William Lyman (AA)	Template:Party cell | Artemas Ward (PA)	Template:Party cell | Peleg Coffin Jr. (PA)	Template:Party cell | Shearjashub Bourne (PA)	Template:Party cell | Peleg Wadsworth (PA)	Template:Party cell | Henry Dearborn (AA)	Template:Party cell | George Thatcher (PA)	Template:Party cell | David Cobb (PA)
Congress	District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal (1795–1797)	Template:Party cell | Theodore Sedgwick (F)	rowspan=2 Template:Party cell | William Lyman (DR)	rowspan=5 Template:Party cell | Samuel Lyman (F)	rowspan=5 Template:Party cell | Dwight Foster (F)	rowspan=4 Template:Party cell | Nathaniel Freeman Jr. (DR)	rowspan=6 Template:Party cell | John Reed Sr. (F)	rowspan=2 Template:Party cell | George Leonard (F)	rowspan=2 Template:Party cell | Fisher Ames (F)	rowspan=8 Template:Party cell | Joseph Bradley Varnum (DR)	Template:Party cell | Benjamin Goodhue (F)	rowspan=3 Template:Party cell | Theophilus Bradbury (F)	rowspan=2 Template:Party cell | Henry Dearborn (DR)	rowspan=8 Template:Party cell | Peleg Wadsworth (F)	rowspan=6 Template:Party cell | George Thatcher (F)
	rowspan=3 Template:Party cell | Thomson J. Skinner (DR)	rowspan=4 Template:Party cell | Samuel Sewall (F)
Template:USCongressOrdinal (1797–1799)	rowspan=6 Template:Party cell | William Shepard (F)	rowspan=2 Template:Party cell | Stephen Bullock (F)	rowspan=4 Template:Party cell | Harrison Gray Otis (F)	rowspan=2 Template:Party cell | Isaac Parker (F)
	rowspan=3 Template:Party cell | Bailey Bartlett (F)
Template:USCongressOrdinal Template:Nowrap	rowspan=2 Template:Party cell | Theodore Sedgwick (F)	rowspan=4 Template:Party cell | Lemuel Williams (F)	rowspan=4 Template:Party cell | Phanuel Bishop (DR)	rowspan=3 Template:Party cell | Silas Lee (F)
	rowspan=3 Template:Party cell | Ebenezer Mattoon (F)	rowspan=2 Template:Party cell | Levi Lincoln Sr. (DR)	rowspan=3 Template:Party cell | Nathan Read (F)
Template:USCongressOrdinal (1801–1803)	rowspan=2 Template:Party cell | John Bacon (DR)	rowspan=2 Template:Party cell | Josiah Smith (DR)	rowspan=2 Template:Party cell | William Eustis (DR)	rowspan=2 Template:Party cell | Manasseh Cutler (F)	rowspan=2 Template:Party cell | Richard Cutts (DR)
	Template:Party cell | Seth Hastings (F)	Template:Party cell | Samuel Thatcher (F)

1803 to 1813: 17 seats

After the 1800 census, Massachusetts gained three seats.

Cong­ress	District										District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal (1803–1805)	rowspan=2 Template:Party cell | William Eustis (DR)	rowspan=4 Template:Party cell | Jacob Crowninshield (DR)	rowspan=2 Template:Party cell | Manasseh Cutler (F)	rowspan=7 Template:Party cell | Joseph Bradley Varnum (DR)	rowspan=2 Template:Party cell | Thomas Dwight (F)	rowspan=9 Template:Party cell | Samuel Taggart (F)	rowspan=2 Template:Party cell | Nahum Mitchell (F)	rowspan=2 Template:Party cell | Lemuel Williams (F)	rowspan=3 Template:Party cell | Phanuel Bishop (DR)	rowspan=3 Template:Party cell | Seth Hastings (F)	rowspan=6 Template:Party cell | William Stedman (F)	Template:Party cell | Thomson Skinner (DR)	rowspan=9 Template:Party cell | Ebenezer Seaver (DR)	rowspan=9 Template:Party cell | Richard Cutts (DR)	rowspan=3 Template:Party cell | Peleg Wadsworth (F)	rowspan=2 Template:Party cell | Samuel Thatcher (F)	rowspan=2 Template:Party cell | Phineas Bruce (F)
	Template:Party cell | Simon Larned (DR)
Template:USCongressOrdinal (1805–1807)	rowspan=7 Template:Party cell | Josiah Quincy III (F)	Template:Party cell | Jeremiah Nelson (F)	rowspan=7 Template:Party cell | William Ely (F)	rowspan=3 Template:Party cell | Joseph Barker (DR)	rowspan=3 Template:Party cell | Isaiah L. Green (DR)	Template:Party cell | Barnabas Bidwell (DR)	rowspan=5 Template:Party cell | Orchard Cook (DR)	rowspan=3 Template:Party cell | John Chandler (DR)
Template:USCongressOrdinal (1807–1809)	rowspan=4 Template:Party cell | Edward St. Loe Livermore (F)	rowspan=2 Template:Party cell | Josiah Dean (DR)	rowspan=3 Template:Party cell | Jabez Upham (F)	rowspan=6 Template:Party cell | Ezekiel Bacon (DR)	rowspan=2 Template:Party cell | Daniel Ilsley (DR)
	Template:Party cell | Joseph Story (DR)
Template:USCongressOrdinal (1809–1811)	rowspan=2 Template:Party cell | Benjamin Pickman Jr. (F)	Template:Party cell | William Baylies (F)	rowspan=2 Template:Party cell | Gideon Gardner (DR)	rowspan=4 Template:Party cell | Laban Wheaton (F)	rowspan=2 Template:Party cell | Ezekiel Whitman (F)	rowspan=3 Template:Party cell | Barzillai Gannett (DR)
	rowspan=3 Template:Party cell | Charles Turner (DR)	Template:Party cell | Joseph Allen (F)	rowspan=3 Template:Party cell | Abijah Bigelow (F)
Template:USCongressOrdinal (1811–1813)	rowspan=2 Template:Party cell | William Reed (F)	rowspan=2 Template:Party cell | Leonard White (F)	rowspan=2 Template:Party cell | William M. Richardson (DR)	rowspan=2 Template:Party cell | Isaiah L. Green (DR)	rowspan=2 Template:Party cell | Elijah Brigham (F)	rowspan=2 Template:Party cell | William Widgery (DR)	rowspan=2 Template:Party cell | Peleg Tallman (DR)
	Template:Party cell | Francis Carr (DR)

1813 to 1823: 20 seats, then 13

After the 1810 census, Massachusetts gained three seats to grow to its largest apportionment (so far). In 1820/21, however, seven of those seats were lost to the new state of Maine.

Cong­ress	District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal Template:Nowrap	rowspan=4 Template:Party cell | Artemas Ward Jr. (F)	rowspan=2 Template:Party cell | William Reed (F)	rowspan=2 Template:Party cell | Timothy Pickering (F)	Template:Party cell | William M. Richardson (DR)	rowspan=2 Template:Party cell | William Ely (F)	rowspan=4 Template:Party cell | Samuel Taggart (F)	rowspan=2 Template:Party cell | William Baylies (F)	rowspan=2 Template:Party cell | John Reed Jr. (F)	rowspan=2 Template:Party cell | Laban Wheaton (F)	rowspan=2 Template:Party cell | Elijah Brigham (F)	rowspan=2 Template:Party cell | Abijah Bigelow (F)	Template:Party cell | Daniel Dewey (F)	rowspan=6 Template:Party cell | Nathaniel Ruggles (F)	rowspan=4 Template:Party cell | Cyrus King (F)	rowspan=4 Template:Party cell | George Bradbury (F)	rowspan=2 Template:Party cell | Samuel Davis (F)	rowspan=2 Template:Party cell | Abiel Wood (DR)	rowspan=2 Template:Party cell | John Wilson (F)	rowspan=2 Template:Party cell | James Parker (DR)	rowspan=2 Template:Party cell | Levi Hubbard (DR)
	Template:Party cell | Samuel Dana (DR)	Template:Party cell | John Hulbert (F)
Template:USCongressOrdinal (1815–1817)	rowspan=2 Template:Party cell | Timothy Pickering (F)	rowspan="8" Template:Party cell | Jeremiah Nelson (F)	rowspan=2 Template:Party cell | Asahel Stearns (F)	rowspan=4 Template:Party cell | Elijah H. Mills (F)	rowspan=2 Template:Party cell | John W. Hulbert (F)	rowspan=2 Template:Party cell | William Baylies (F)	rowspan=2 Template:Party cell | John Reed Jr. (F)	rowspan=2 Template:Party cell | Laban Wheaton (F)	Template:Party cell | Elijah Brigham (F)	rowspan=4 Template:Party cell | Solomon Strong (F)	rowspan=2 Template:Party cell | Benjamin Brown (F)	rowspan=2 Template:Party cell | James Carr (F)	rowspan=4 Template:Party cell | Thomas Rice (F)	rowspan=2 Template:Party cell | Samuel S. Conner (DR)	rowspan=3 Template:Party cell | Albion Parris (DR)
	rowspan=6 Template:Party cell | Benjamin Adams (F)
Template:USCongressOrdinal (1817–1819)	rowspan=3 Template:Party cell | Jonathan Mason (F)	rowspan=5 Template:Party cell | Nathaniel Silsbee (DR)	rowspan="6" Template:Party cell | Timothy Fuller (DR)	rowspan=6 Template:Party cell | Samuel Clesson Allen (F)	rowspan=5 Template:Party cell | Henry Shaw (DR)	rowspan=3 Template:Party cell | Zabdiel Sampson (DR)	rowspan=5 Template:Party cell | Walter Folger Jr. (DR)	rowspan=5 Template:Party cell | Marcus Morton (DR)	rowspan=3 Template:Party cell | John Holmes (DR)	rowspan=4 Template:Party cell | Ezekiel Whitman (F)	rowspan=2 Template:Party cell | Benjamin Orr (F)	rowspan=2 Template:Party cell | John Wilson (F)	rowspan=2 Template:Party cell | Joshua Gage (DR)
	rowspan=3 Template:Party cell | Enoch Lincoln (DR)
Template:USCongressOrdinal (1819–1821)	rowspan=4 Template:Party cell | Samuel Lathrop (F)	rowspan=3 Template:Party cell | Jonas Kendall (F)	Template:Party cell | Edward Dowse (DR)	rowspan=2 Template:Party cell | Mark Langdon Hill (DR)	rowspan=2 Template:Party cell | Martin Kinsley (DR)	rowspan=2 Template:Party cell | James Parker (DR)	rowspan=2 Template:Party cell | Joshua Cushman (DR)
	rowspan=3 Template:Party cell | Benjamin Gorham (DR)	rowspan=3 Template:Party cell | Aaron Hobart (DR)	rowspan=3 Template:Party cell | William Eustis (DR)	Template:Party cell | vacant
	District of Maine split
Template:USCongressOrdinal (1821–1823)								Template:Party cell | Gideon Barstow (DR)	Template:Party cell | Henry W. Dwight (F)	Template:Party cell | John Reed Jr. (F)	Template:Party cell | Francis Baylies (F)	Template:Party cell | Jonathan Russell (DR)	Template:Party cell | Lewis Bigelow (F)

1823–1833: 13 seats

Following the 1820 census, Massachusetts kept its remaining 13 seats without change.

Cong­ress	District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal Template:Nowrap	Template:Party cell | Daniel Webster (F)Template:Efn	Template:Party cell | Benjamin W. Crownin­shield (DR)Template:Efn	Template:Party cell | Jeremiah Nelson (F)Template:Efn	Template:Party cell | Timothy Fuller (DR)Template:Efn	Template:Party cell | Jonas Sibley (DR)Template:Efn	Template:Party cell | John Locke (DR)Template:Efn	Template:Party cell | Samuel Clesson Allen (F)Template:Efn	Template:Party cell | Samuel Lathrop (F)Template:Efn	Template:Party cell | Henry W. Dwight (F)Template:Efn	Template:Party cell | John Bailey (DR)Template:Efn	Template:Party cell | Aaron Hobart (DR)Template:Efn	Template:Party cell | Francis Baylies (F)Template:Efn	Template:Party cell | John Reed Jr. (F)Template:Efn
Template:USCongressOrdinal Template:Nowrap	rowspan="2" Template:Party cell | Daniel Webster (NR)	rowspan="4" Template:Party cell | Benjamin W. Crownin­shield (NR)	rowspan="4" Template:Party cell | John Varnum (NR)	rowspan="5" Template:Party cell | Edward Everett (NR)	rowspan="5" Template:Party cell | John Davis (NR)	rowspan="3" Template:Party cell | John Locke (NR)	rowspan="3" Template:Party cell | Samuel Clesson Allen (NR)	Template:Party cell | Samuel Lathrop (NR)	rowspan="4" Template:Party cell | Henry W. Dwight (NR)	rowspan="4" Template:Party cell | John Bailey (NR)	Template:Party cell | Aaron Hobart (NR)	Template:Party cell | Francis Baylies (J)	rowspan="5" Template:Party cell | John Reed Jr. (NR)
Template:USCongressOrdinal Template:Nowrap	rowspan="4" Template:Party cell | Isaac C. Bates (NR)	rowspan="3" Template:Party cell | Joseph Richardson (NR)	rowspan="4" Template:Party cell | James L. Hodges (NR)
	rowspan="2" Template:Party cell | Benjamin Gorham (NR)
Template:USCongressOrdinal Template:Nowrap	rowspan="2" Template:Party cell | Joseph G. Kendall (NR)	rowspan="2" Template:Party cell | George Grennell Jr. (NR)
Template:USCongressOrdinal Template:Nowrap	Template:Party cell | Nathan Appleton (NR)	Template:Party cell | Rufus Choate (NR)	Template:Party cell | Jeremiah Nelson (NR)	Template:Party cell | George N. Briggs (NR)	Template:Party cell | Henry A. S. Dearborn (NR)	Template:Party cell | John Quincy Adams (NR)

1833 to 1843: 12 seats

After the 1830 census, Massachusetts lost one seat.

Congress	District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal Template:Nowrap	rowspan=2 Template:Party cell | Benjamin Gorham (NR)	Template:Party cell | Rufus Choate (NR)	rowspan=2 Template:Party cell | Gayton P. Osgood (J)	rowspan=2 Template:Party cell | Edward Everett (NR)	Template:Party cell | John Davis (NR)	rowspan=3 Template:Party cell | George Grennell Jr. (NR)	rowspan=3 Template:Party cell | George N. Briggs (NR)	rowspan=2 Template:Party cell | Isaac C. Bates (NR)	rowspan=3 Template:Party cell | William Jackson (Template:Nowrap)	rowspan=2 Template:Party cell | William Baylies (NR)	rowspan=2 Template:Party cell | John Reed Jr. (NR)	rowspan=3 Template:Party cell | John Quincy Adams (Template:Nowrap)
	rowspan=2 Template:Party cell | Stephen Philips (NR)	rowspan=2 Template:Party cell | Levi Lincoln Jr. (NR)
Template:USCongressOrdinal (1835–1837)	Template:Party cell | Abbott Lawrence (NR)	Template:Party cell | Caleb Cushing (NR)	Template:Party cell | Samuel Hoar (NR)	Template:Party cell | William B. Calhoun (NR)	Template:Party cell | Nathaniel B. Borden (J)	Template:Party cell | John Reed Jr. (Template:Nowrap)
Template:USCongressOrdinal (1837–1839)	rowspan=2 Template:Party cell | Richard Fletcher (W)	Template:Party cell | Stephen Phillips (W)	rowspan=7 Template:Party cell | Caleb Cushing (W)	rowspan=7 Template:Party cell | William Parmenter (D)	rowspan=5 Template:Party cell | Levi Lincoln Jr. (W)	rowspan=2 Template:Party cell | George Grennell Jr. (W)	rowspan=7 Template:Party cell | George N. Briggs (W)	rowspan=7 Template:Party cell | William B. Calhoun (W)	rowspan=7 Template:Party cell | William Soden Hastings (W)	rowspan=2 Template:Party cell | Nathaniel B. Borden (D)	rowspan=4 Template:Party cell | John Reed Jr. (W)	rowspan=7 Template:Party cell | John Quincy Adams (W)
	rowspan=6 Template:Party cell | Leverett Saltonstall I (W)
Template:USCongressOrdinal (1839–1841)	Template:Party cell | Abbott Lawrence (W)	Template:Party cell | James Alvord (W)	rowspan=2 Template:Party cell | Henry Williams (D)
	rowspan=2 Template:Party cell | Robert C. Winthrop (W)	rowspan=4 Template:Party cell | Osmyn Baker (W)
Template:USCongressOrdinal (1841–1843)	rowspan=3 Template:Party cell | Nathaniel B. Borden (W)	rowspan=3 Template:Party cell | Barker Burnell (W)
	Template:Party cell | Nathan Appleton (W)	rowspan=2 Template:Party cell | Charles Hudson (W)
	Template:Party cell | Robert C. Winthrop (W)

1843 to 1853: 10 seats

After the 1840 census, Massachusetts lost two seats.

Congress	District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal Template:Nowrap	rowspan=6 Template:Party cell | Robert Charles Winthrop (W)	rowspan=7 Template:Party cell | Daniel P. King (W)	rowspan=5 Template:Party cell | Amos Abbott (W)	rowspan=2 Template:Party cell | William Parmenter (D)	rowspan=5 Template:Party cell | Charles Hudson (W)	rowspan=2 Template:Party cell | Osmyn Baker (W)	rowspan=7 Template:Party cell | Julius Rockwell (W)	rowspan=4 Template:Party cell | John Quincy Adams (W)	rowspan=2 Template:Party cell | Henry Williams (D)	Template:Party cell | Barker Burnell (W)
	rowspan=6 Template:Party cell | Joseph Grinnell (W)
Template:USCongressOrdinal (1845–1847)	Template:Party cell | Benjamin Thompson (W)	rowspan=5 Template:Party cell | George Ashmun (W)	rowspan=3 Template:Party cell | Artemas Hale (W)
Template:USCongressOrdinal (1847–1849)	rowspan=2 Template:Party cell | John G. Palfrey (W)
	rowspan=5 Template:Party cell | Horace Mann (W)
Template:USCongressOrdinal (1849–1851)	rowspan=4 Template:Party cell | James H. Duncan (W)	vacant	rowspan=4 Template:Party cell | Charles Allen (FS)	rowspan=3 Template:Party cell | Orin Fowler (W)
	Template:Party cell | Samuel A. Eliot (W)
Template:USCongressOrdinal (1851–1853)	rowspan=2 Template:Party cell | William Appleton (W)	Template:Party cell | Robert Rantoul (D)	Template:Party cell | Benjamin Thompson (W)	rowspan=2 Template:Party cell | George T. Davis (W)	rowspan=2 Template:Party cell | John Z. Goodrich (W)	rowspan=2 Template:Party cell | Zeno Scudder (W)
	Template:Party cell | Francis B. Fay (W)	Template:Party cell | Lorenzo Sabine (W)	Template:Party cell | Edward P. Little (D)

1853 to 1863: 11 seats

After the 1850 census, Massachusetts gained one seat.

Congress	District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal Template:Nowrap	Template:Party cell | Zeno Scudder (W)	rowspan=2 Template:Party cell | Samuel L. Crocker (W)	rowspan=2 Template:Party cell | J. Wiley Edmands (W)	rowspan=2 Template:Party cell | Samuel H. Walley (W)	rowspan=2 Template:Party cell | William Appleton (W)	rowspan=2 Template:Party cell | Charles W. Upham (W)	rowspan=2 Template:Party cell | Nathaniel P. Banks (D)	rowspan=2 Template:Party cell | Tappan Wentworth (W)	rowspan=2 Template:Party cell | Alexander De Witt (FS)	rowspan=2 Template:Party cell | Edward Dickinson (W)	rowspan=2 Template:Party cell | John Z. Goodrich (W)
	Template:Party cell | Thomas D. Eliot (W)
Template:USCongressOrdinal (1855–1857)	Template:Party cell | Robert Bernard Hall (KN)	Template:Party cell | James Buffington (KN)	Template:Party cell | William S. Damrell (KN)	Template:Party cell | Linus B. Comins (KN)	Template:Party cell | Anson Burlingame (KN)	Template:Party cell | Timothy Davis (KN)	Template:Party cell | Nathaniel P. Banks (KN)	Template:Party cell | Chauncey L. Knapp (KN)	Template:Party cell | Alexander De Witt (KN)	Template:Party cell | Calvin C. Chaffee (KN)	Template:Party cell | Mark Trafton (KN)
Template:USCongressOrdinal (1857–1859)	rowspan=2 Template:Party cell | Robert Bernard Hall (R)	rowspan=5 Template:Party cell | James Buffington (R)	rowspan=2 Template:Party cell | William S. Damrell (R)	rowspan=2 Template:Party cell | Linus B Comins (R)	rowspan=3 Template:Party cell | Anson Burlingame (R)	rowspan=2 Template:Party cell | Timothy Davis (R)	Template:Party cell | Nathaniel P. Banks (R)	rowspan=2 Template:Party cell | Chauncey L. Knapp (R)	rowspan=3 Template:Party cell | Eli Thayer (R)	rowspan=2 Template:Party cell | Calvin C. Chaffee (R)	rowspan=5 Template:Party cell | Henry L. Dawes (R)
	rowspan=4 Template:Party cell | Daniel W. Gooch (R)
Template:USCongressOrdinal (1859–1861)	rowspan=3 Template:Party cell | Thomas D. Eliot (R)	rowspan=2 Template:Party cell | Charles Francis Adams Sr. (R)	rowspan=3 Template:Party cell | Alexander H. Rice (R)	rowspan=3 Template:Party cell | John B. Alley (R)	rowspan=3 Template:Party cell | Charles R. Train (R)	rowspan=3 Template:Party cell | Charles Delano (R)
Template:USCongressOrdinal (1861–1863)	Template:Party cell| William Appleton (U)	Template:Party cell | Goldsmith Bailey (R)
	Template:Party cell| Benjamin Thomas (U)	Template:Party cell| Samuel Hooper (U)	Template:Party cell | Amasa Walker (R)

1863 to 1873: 10 seats

After the 1860 census, Massachusetts lost one seat.

Congress	District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal Template:Nowrap	rowspan=4 Template:Party cell | Thomas D. Eliot (R)	rowspan=8 Template:Party cell | Oakes Ames (R)	rowspan=3 Template:Party cell | Alexander H. Rice (R)	rowspan=8 Template:Party cell | Samuel Hooper (R)	rowspan=3 Template:Party cell | John B. Alley (R)	rowspan=2 Template:Party cell | Daniel W. Gooch (R)	rowspan=5 Template:Party cell | George S. Boutwell (R)	rowspan=4 Template:Party cell | John D. Baldwin (R)	rowspan=7 Template:Party cell | William B. Washburn (R)	rowspan=8 Template:Party cell | Henry L. Dawes (R)
Template:USCongressOrdinal (1865–1867)
	rowspan=6 Template:Party cell | Nathaniel P. Banks (R)
Template:USCongressOrdinal (1867–1869)	rowspan=5 Template:Party cell | Ginery Twichell (R)	rowspan=5 Template:Party cell | Benjamin Butler (R)
Template:USCongressOrdinal (1869–1871)	rowspan=4 Template:Party cell | James Buffington (R)	rowspan=4 Template:Party cell | George F. Hoar (R)
	rowspan=2 Template:Party cell | George M. Brooks (R)
Template:USCongressOrdinal (1871–1873)
	Template:Party cell | Constantine Esty (R)	Template:Party cell | Alvah Crocker (R)

1873 to 1883: 11 seats

After the 1870 census, Massachusetts gained one seat.

Congress	District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal Template:Nowrap	rowspan=3 Template:Party cell | James Buffington (R)	rowspan=8 Template:Party cell | Benjamin W. Harris (R)	Template:Party cell | William Whiting (R)	rowspan=2 Template:Party cell | Samuel Hooper (R)	rowspan=2 Template:Party cell | Daniel W. Gooch (R)	rowspan=2 Template:Party cell | Benjamin Butler (R)	rowspan=2 Template:Party cell | Ebenezer R. Hoar (R)	rowspan=2 Template:Party cell | John M. S. Williams (R)	rowspan=4 Template:Party cell | George F. Hoar (R)	Template:Party cell | Alvah Crocker (R)	rowspan=2 Template:Party cell | Henry L. Dawes (R)
	rowspan=3 Template:Party cell | Henry L. Pierce (R)	Template:Party cell | Charles Stevens (R)
Template:USCongressOrdinal (1875–1877)	Template:Party cell | Rufus Frost (R)	rowspan=2 Template:Party cell | Nathaniel P. Banks (I)	rowspan=2 Template:Party cell | Charles Perkins Thompson (D)	rowspan=2 Template:Party cell | John K. Tarbox (D)	rowspan=2 Template:Party cell | William W. Warren (D)	rowspan=2 Template:Party cell | Julius Hawley Seelye (I)	rowspan=2 Template:Party cell | Chester W. Chapin (D)
	rowspan=5 Template:Party cell | William W. Crapo (R)	Template:Party cell |Josiah Abbott (D)
Template:USCongressOrdinal (1877–1879)	Template:Party cell | Walbridge Field (R)	rowspan=4 Template:Party cell | Leopold Morse (D)	rowspan=2 Template:Party cell | Nathaniel P. Banks (R)	rowspan=3 Template:Party cell | George B. Loring (R)	rowspan=2 Template:Party cell | Benjamin Butler (R)	rowspan=3 Template:Party cell | William Claflin (R)	rowspan=4 Template:Party cell | William W. Rice (R)	rowspan=4 Template:Party cell | Amasa Norcross (R)	rowspan=4 Template:Party cell | George Robinson (R)
	Template:Party cell | Benjamin Dean (D)
Template:USCongressOrdinal (1879–1881)	Template:Party cell | Walbridge Field (R)	rowspan=2 Template:Party cell | Selwyn Z. Bowman (R)	rowspan=2 Template:Party cell | William A. Russell (R)
Template:USCongressOrdinal (1881–1883)	Template:Party cell | Ambrose Ranney (R)	Template:Party cell | Eben F. Stone (R)	Template:Party cell | John W. Candler (R)

1883 to 1893: 12 seats

After the 1880 census, Massachusetts gained one seat.

Congress	District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal Template:Nowrap	rowspan=4 Template:Party cell | Robert T. Davis (R)	rowspan=4 Template:Party cell | John Davis Long (R)	rowspan=3 Template:Party cell | Ambrose Ranney (R)	rowspan=4 Template:Party cell | Patrick Collins (D)	rowspan=2 Template:Party cell | Leopold Morse (D)	rowspan=3 Template:Party cell | Henry B. Lovering (D)	rowspan=3 Template:Party cell | Eben F. Stone (R)	rowspan=2 Template:Party cell | William A. Russell (R)	rowspan=2 Template:Party cell | Theodore Lyman III (IR)	rowspan=3 Template:Party cell | William W. Rice (R)	rowspan=4 Template:Party cell | William Whiting II (R)	Template:Party cell | George Robinson (R)
	rowspan=4 Template:Party cell | Francis W. Rockwell (R)
Template:USCongressOrdinal (1885–1887)	rowspan=2 Template:Party cell | Edward D. Hayden (R)	rowspan=2 Template:Party cell | Charles H. Allen (R)	Template:Party cell | Frederick D. Ely (R)
Template:USCongressOrdinal (1887–1889)	Template:Party cell | Leopold Morse (D)	rowspan=3 Template:Party cell | Henry Cabot Lodge (R)	rowspan=3 Template:Party cell | William Cogswell (R)	Template:Party cell | Edward Burnett (D)	Template:Party cell | John E. Russell (D)
Template:USCongressOrdinal (1889–1891)	rowspan=2 Template:Party cell | Charles S. Randall (R)	rowspan=2 Template:Party cell | Elijah A. Morse (R)	rowspan=2 Template:Party cell | John F. Andrew (D)	rowspan=2 Template:Party cell | Joseph H. O'Neil (D)	Template:Party cell | Nathaniel P. Banks (R)	Template:Party cell | Frederic T. Greenhalge (R)	Template:Party cell | John W. Candler (R)	rowspan=2 Template:Party cell | Joseph H. Walker (R)	Template:Party cell | Rodney Wallace (R)
Template:USCongressOrdinal (1891–1893)	Template:Party cell | Sherman Hoar (D)	Template:Party cell | Moses T. Stevens (D)	Template:Party cell | George F. Williams (D)	Template:Party cell | Frederick S. Coolidge (D)	Template:Party cell | John Crawford Crosby (D)

1893 to 1903: 13 seats

After the 1890 census, Massachusetts gained one seat.

Congress	District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal Template:Nowrap	rowspan=4 Template:Party cell | Ashley B. Wright (R)	rowspan=8 Template:Party cell | Frederick H. Gillett (R)	rowspan=5 Template:Party cell | Joseph H. Walker (R)	rowspan=3 Template:Party cell | Lewis D. Apsley (R)	Template:Party cell | Moses T. Stevens (D)	rowspan=2 Template:Party cell| William Cogswell (R)	Template:Party cell | William Everett (D)	rowspan=8 Template:Party cell | Samuel W. McCall (R)	Template:Party cell | Joseph H. O'Neil (D)	Template:Party cell | Michael J. McEttrick (ID)	rowspan=3 Template:Party cell | William Franklin Draper (R)	rowspan=3 Template:Party cell | Elijah A. Morse (R)	Template:Party cell | Charles S. Randall (R)
Template:USCongressOrdinal (1895–1897)	rowspan=7 Template:Party cell | William S. Knox (R)	rowspan=4 Template:Party cell | William Emerson Barrett (R)	rowspan=5 Template:Party cell | John F. Fitzgerald (D)	rowspan=2 Template:Party cell | Harrison H. Atwood (R)	rowspan=3 Template:Party cell | John Simpkins (R)
	rowspan=5 Template:Party cell | William Henry Moody (R)
Template:USCongressOrdinal (1897–1899)	rowspan=3 Template:Party cell | George W. Weymouth (R)	rowspan=2 Template:Party cell | Samuel J. Barrows (R)	rowspan=3 Template:Party cell | Charles F. Sprague (R)	rowspan=5 Template:Party cell | William C. Lovering (R)
	rowspan=4 Template:Party cell | George P. Lawrence (R)	rowspan=4 Template:Party cell | William S. Greene (R)
Template:USCongressOrdinal Template:Nowrap	rowspan=3 Template:Party cell | John R. Thayer (D)	rowspan=3 Template:Party cell | Ernest W. Roberts (R)	rowspan=3 Template:Party cell | Henry F. Naphen (D)
Template:USCongressOrdinal (1901–1903)	rowspan=2 Template:Party cell | Charles Q. Tirrell (R)	rowspan=2 Template:Party cell | Joseph A. Conry (D)	rowspan=2 Template:Party cell | Samuel Powers (R)
	Template:Party cell | Augustus P. Gardner (R)

1903 to 1913: 14 seats

After the 1900 census, Massachusetts gained one seat.

Congress	District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal Template:Nowrap	rowspan=7 Template:Party cell | George P. Lawrence (R)	rowspan=7 Template:Party cell | Frederick H. Gillett (R)	Template:Party cell | John Thayer (D)	rowspan=5 Template:Party cell | Charles Q. Tirrell (R)	rowspan=7 Template:Party cell | Butler Ames (R)	rowspan=7 Template:Party cell | Augustus P. Gardner (R)	rowspan=7 Template:Party cell | Ernest W. Roberts (R)	rowspan=7 Template:Party cell | Samuel W. McCall (R)	rowspan=6 Template:Party cell | John A. Keliher (D)	rowspan=3 Template:Party cell | William S. McNary (D)	rowspan=3 Template:Party cell | John Andrew Sullivan (D)	Template:Party cell | Samuel Powers (R)	rowspan=7 Template:Party cell | William S. Greene (R)	rowspan=5 Template:Party cell | William C. Lovering (R)
Template:USCongressOrdinal Template:Nowrap	Template:Party cell | Rockwood Hoar (R)	rowspan=6 Template:Party cell | John W. Weeks (R)
	rowspan=4 Template:Party cell | Charles G. Washburn (R)
Template:USCongressOrdinal Template:Nowrap	rowspan=3 Template:Party cell | Joseph F. O'Connell (D)	rowspan=4 Template:Party cell | Andrew J. Peters (D)
Template:USCongressOrdinal Template:Nowrap
	Template:Party cell | John Mitchell (D)	Template:Party cell | Eugene Foss (D)
Template:USCongressOrdinal Template:Nowrap	Template:Party cell | John A. Thayer (D)	Template:Party cell | William Wilder (R)	Template:Party cell | Wm. F. Murray (D)	Template:Party cell | James Curley (D)	Template:Party cell | Robert Harris (R)

1913 to 1933: 16 seats

After the 1910 census, Massachusetts gained two seats. There was no reapportionment after the 1920 census.

Cong­ress	District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal Template:Nowrap	rowspan=17 Template:Party cell | Allen T. Treadway (R)	rowspan=11 Template:Party cell | Frederick H. Gillett (R)	Template:Party cell | William Wilder (R)	rowspan=11 Template:Party cell | Samuel Winslow (R)	rowspan=12 Template:Party cell | John Jacob Rogers (R)	rowspan=4 Template:Party cell | Augustus P. Gardner (R)	rowspan=7 Template:Party cell | Michael Francis Phelan (D)	rowspan=2 Template:Party cell | Frederick S. Deitrick (D)	rowspan=3 Template:Party cell | Ernest W. Roberts (R)	rowspan=2 Template:Party cell | William F. Murray (D)	rowspan=2 Template:Party cell | Andrew J. Peters (D)	Template:Party cell | James Curley (D)	Template:Party cell | John Weeks (R)	rowspan=2 Template:Party cell | Edward Gilmore (D)	rowspan=10 Template:Party cell | William S. Greene (R)	rowspan=2 Template:Party cell | Thomas C. Thacher (D)
	rowspan=10 Template:Party cell | Calvin Page (R)	rowspan=13 Template:Party cell | James A. Gallivan (D)	Template:Party cell | John Mitchell (D)
Template:USCongressOrdinal Template:Nowrap	rowspan=9 Template:Party cell | Frederick W. Dallinger (R)	rowspan=4 Template:Party cell | Peter Francis Tague (D)	rowspan=15 Template:Party cell | George H. Tinkham (R)	rowspan=3 Template:Party cell | William Henry Carter (R)	rowspan=5 Template:Party cell | Richard Olney II (D)	rowspan=6 Template:Party cell | Joseph Walsh (R)
Template:USCongressOrdinal Template:Nowrap	rowspan=4 Template:Party cell | Alvan T. Fuller (R)
	rowspan=4 Template:Party cell | Willfred W. Lufkin (R)
Template:USCongressOrdinal Template:Nowrap	rowspan=12 Template:Party cell | Robert Luce (R)
	Template:Party cell | John Fitzgerald (D)
Template:USCongressOrdinal Template:Nowrap	rowspan=2 Template:Party cell | Robert S. Maloney (R)	rowspan=10 Template:Party cell | Charles L. Underhill (R)	rowspan=4 Template:Party cell | Peter Francis Tague (D)	rowspan=7 Template:Party cell | Louis A. Frothingham (R)
	rowspan=9 Template:Party cell | A. Piatt Andrew (R)	rowspan=9 Template:Party cell | Charles L. Gifford (R)
Template:USCongressOrdinal Template:Nowrap	rowspan=8 Template:Party cell | William P. Connery Jr. (D)
	Template:Party cell | Robert Leach (R)
Template:USCongressOrdinal Template:Nowrap	Template:Party cell | George Churchill (R)	rowspan=6 Template:Party cell | Frank H. Foss (R)	rowspan=5 Template:Party cell | George R. Stobbs (R)	rowspan=2 Template:Party cell | Harry I. Thayer (R)	rowspan=6 Template:Party cell | John J. Douglass (D)	rowspan=6 Template:Party cell | Joseph W. Martin Jr. (R)
	rowspan=2 Template:Party cell | Henry L. Bowles (R)	rowspan=5 Template:Party cell | Edith Nourse Rogers (R)
Template:USCongressOrdinal Template:Nowrap	rowspan=4 Template:Party cell | Frederick W. Dallinger (R)
Template:USCongressOrdinal Template:Nowrap	Template:Party cell | Will Kaynor (R)	rowspan=3 Template:Party cell | John W. McCormack (D)	rowspan=3 Template:Party cell | Dick Wigglesworth (R)
	rowspan=2 Template:Party cell | William J. Granfield (D)
Template:USCongressOrdinal Template:Nowrap	Template:Party cell | Pehr G. Holmes (R)

1933 to 1963: 15, then 14 seats

After the 1930 census, Massachusetts lost one seat. After the 1940 census, Massachusetts lost another seat. Massachusetts kept its apportionment following the 1950 census.

Congress	District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal Template:Nowrap	rowspan=9 Template:Party cell | Allen T. Treadway (R)	rowspan=3 Template:Party cell | William J. Granfield (D)	Template:Party cell | Frank H. Foss (R)	rowspan=10 Template:Party cell | Pehr G. Holmes (R)	rowspan=21 Template:Party cell | Edith Nourse Rogers (R)	rowspan=2 Template:Party cell | A. Piatt Andrew (R)	rowspan=4 Template:Party cell | William P. Connery Jr. (D)	rowspan=7 Template:Party cell | Arthur Daniel Healey (D)	Template:Party cell | Robert Luce (R)	rowspan=8 Template:Party cell | George H. Tinkham (R)	Template:Party cell | John J. Douglass (D)	rowspan=23 Template:Party cell | John W. McCormack (D)	rowspan=19 Template:Party cell | Dick Wigglesworth (R)	rowspan=23 Template:Party cell | Joseph W. Martin Jr. (R)	rowspan=8 Template:Party cell | Charles L. Gifford (R)
Template:USCongressOrdinal Template:Nowrap	rowspan=7 Template:Party cell | Joseph E. Casey (D)	rowspan=2 Template:Party cell | Richard M. Russell (D)	rowspan=3 Template:Party cell | John P. Higgins (D)
	Template:Party cell | vacant
Template:USCongressOrdinal Template:Nowrap	rowspan=9 Template:Party cell | Charles R. Clason (R)	rowspan=10 Template:Party cell | George J. Bates (R)	rowspan=3 Template:Party cell | Robert Luce (R)
	rowspan=3 Template:Party cell | Lawrence J. Connery (D)	rowspan=4 Template:Party cell | Thomas A. Flaherty (D)
Template:USCongressOrdinal Template:Nowrap
Template:USCongressOrdinal Template:Nowrap	rowspan=2 Template:Party cell | Thomas H. Eliot (D)
	rowspan=16 Template:Party cell | Thomas Lane (D)	Template:Party cell | vacant
Template:USCongressOrdinal Template:Nowrap	rowspan=15 Template:Party cell | Philip J. Philbin (D)	rowspan=9 Template:Party cell | Angier Goodwin (R)	rowspan=3 Template:Party cell | Charles L. Gifford (R)	rowspan=8 Template:Party cell | Christian Herter (R)	rowspan=2 Template:Party cell | James Michael Curley (D)
Template:USCongressOrdinal Template:Nowrap	rowspan=11 Template:Party cell | John W. Heselton (R)
Template:USCongressOrdinal Template:Nowrap	rowspan=13 Template:Party cell | Harold Donohue (D)	rowspan=6 Template:Party cell | John F. Kennedy (D)
	rowspan=9 Template:Party cell | Donald W. Nicholson (R)
Template:USCongressOrdinal Template:Nowrap	rowspan=3 Template:Party cell | Foster Furcolo (D)
	rowspan=10 Template:Party cell | William H. Bates (R)
Template:USCongressOrdinal Template:Nowrap
	Template:Party cell | vacant
Template:USCongressOrdinal Template:Nowrap	rowspan=7 Template:Party cell | Ed Boland (D)	rowspan=7 Template:Party cell | Laurence Curtis (R)	rowspan=7 Template:Party cell | Tip O'Neill (D)
Template:USCongressOrdinal Template:Nowrap	rowspan=6 Template:Party cell | Torbert Macdonald (D)
Template:USCongressOrdinal Template:Nowrap
	Template:Party cell | vacant
Template:USCongressOrdinal Template:Nowrap	rowspan=3 Template:Party cell | Silvio O. Conte (R)	rowspan=3 Template:Party cell | Hastings Keith (R)	rowspan=3 Template:Party cell | James A. Burke (D)
	Template:Party cell | vacant
Template:USCongressOrdinal Template:Nowrap	Template:Party cell | F. Bradford Morse (R)

1963 to 1983: 12 seats

After the 1960 census, Massachusetts lost two seats. Massachusetts kept its apportionment after the 1970 census.

Congress	District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal Template:Nowrap	rowspan=14 Template:Party cell | Silvio O. Conte (R)	rowspan=14 Template:Party cell | Ed Boland (D)	rowspan=5 Template:Party cell | Philip J. Philbin (D)	rowspan=7 Template:Party cell | Harold Donohue (D)	rowspan=6 Template:Party cell | F. Bradford Morse (R)	rowspan=4 Template:Party cell | William H. Bates (R)	rowspan=10 Template:Party cell | Torbert Macdonald (D)	rowspan=14 Template:Party cell | Tip O'Neill (D)	rowspan=5 Template:Party cell | John W. McCormack (D)	rowspan=2 Template:Party cell | Joseph W. Martin Jr. (R)	rowspan=12 Template:Party cell | James A. Burke (D)	rowspan=7 Template:Party cell | Hastings Keith (R)
Template:USCongressOrdinal (1965–1967)
Template:USCongressOrdinal (1967–1969)	rowspan=12 Template:Party cell | Margaret Heckler (R)
Template:USCongressOrdinal (1969–1971)
	rowspan=8 Template:Party cell | Mike Harrington (D)
Template:USCongressOrdinal (1971–1973)	rowspan=2 Template:Party cell | Robert Drinan (D)	rowspan=2 Template:Party cell | Louise Day Hicks (D)
	Template:Party cell | vacant
Template:USCongressOrdinal (1973–1975)	Template:Party cell | Harold Donohue (D)	rowspan=6 Template:Party cell | Robert Drinan (D)	rowspan=2 Template:Party cell | Paul W. Cronin (R)	rowspan=7 Template:Party cell | Joe Moakley (D)	rowspan=7 Template:Party cell | Gerry Studds (D)
	Template:Party cell | vacant
Template:USCongressOrdinal (1975–1977)	rowspan=5 Template:Party cell | Joseph Early (D)	rowspan=3 Template:Party cell | Paul Tsongas (D)
	rowspan=4 Template:Party cell | Ed Markey (D)
Template:USCongressOrdinal (1977–1979)
Template:USCongressOrdinal (1979–1981)	rowspan=2 Template:Party cell | James Shannon (D)	rowspan=2 Template:Party cell | Nicholas Mavroules (D)	rowspan=2 Template:Party cell | Brian J. Donnelly (D)
Template:USCongressOrdinal (1981–1983)	Template:Party cell | Barney Frank (D)

1983 to 1993: 11 seats

After the 1980 census, Massachusetts lost one seat.

Congress	District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal Template:Nowrap	rowspan=5 Template:Party cell | Silvio O. Conte (R)	rowspan=3 Template:Party cell | Ed Boland (D)	rowspan=6 Template:Party cell | Joseph Early (D)	rowspan=6 Template:Party cell | Barney Frank (D)	Template:Party cell | James Shannon (D)	rowspan=6 Template:Party cell | Nicholas Mavroules (D)	rowspan=6 Template:Party cell | Ed Markey (D)	rowspan=2 Template:Party cell | Tip O'Neill (D)	rowspan=6 Template:Party cell | Joe Moakley (D)	rowspan=6 Template:Party cell | Gerry Studds (D)	rowspan=6 Template:Party cell | Brian J. Donnelly (D)
Template:USCongressOrdinal Template:Nowrap	rowspan=5 Template:Party cell | Chester G. Atkins (D)
Template:USCongressOrdinal Template:Nowrap	rowspan=4 Template:Party cell | Joseph P. Kennedy II (D)
Template:USCongressOrdinal Template:Nowrap	rowspan=3 Template:Party cell | Richard Neal (D)
Template:USCongressOrdinal Template:Nowrap
	Template:Party cell | John Olver (D)

1993 to 2013: 10 seats

After the 1990 census, Massachusetts lost one seat. Massachusetts kept its apportionment after the 2000 census.

Congress	District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal Template:Nowrap	rowspan=12 Template:Party cell | John Olver (D)	rowspan=12 Template:Party cell | Richard Neal (D)	rowspan=2 Template:Party cell | Peter Blute (R)	rowspan=12 Template:Party cell | Barney Frank (D)	rowspan=9 Template:Party cell | Marty Meehan (D)	rowspan=2 Template:Party cell | Peter G. Torkildsen (R)	rowspan=12 Template:Party cell | Ed Markey (D)	rowspan=3 Template:Party cell | Joseph P. Kennedy II (D)	rowspan=5 Template:Party cell | Joe Moakley (D)	rowspan=2 Template:Party cell | Gerry Studds (D)
Template:USCongressOrdinal Template:Nowrap
Template:USCongressOrdinal Template:Nowrap	rowspan=10 Template:Party cell | Jim McGovern (D)	rowspan=10 Template:Party cell | John Tierney (D)	rowspan=9 Template:Party cell | Bill Delahunt (D)
Template:USCongressOrdinal Template:Nowrap	rowspan=9 Template:Party cell | Mike Capuano (D)
Template:USCongressOrdinal Template:Nowrap
	rowspan=7 Template:Party cell | Stephen Lynch (D)
Template:USCongressOrdinal Template:Nowrap
Template:USCongressOrdinal Template:Nowrap
Template:USCongressOrdinal Template:Nowrap
	rowspan=3 Template:Party cell | Niki Tsongas (D)
Template:USCongressOrdinal Template:Nowrap
Template:USCongressOrdinal Template:Nowrap	Template:Party cell | Bill Keating (D)

2013 to present: 9 seats

After the 2010 census, Massachusetts lost one seat. Massachusetts kept its apportionment after the 2020 census.

Congress	District
	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr	Template:Ushr
Template:USCongressOrdinal Template:Nowrap	rowspan=8 Template:Party cell | Richard Neal (D)	rowspan=8 Template:Party cell | Jim McGovern (D)	rowspan=4 Template:Party cell | Niki Tsongas (D)	rowspan=5 Template:Party cell | Joe Kennedy III (D)	Template:Party cell | Ed Markey (D)	rowspan=2 Template:Party cell | John Tierney (D)	rowspan=4 Template:Party cell | Mike Capuano (D)	rowspan=8 Template:Party cell | Stephen Lynch (D)	rowspan=8 Template:Party cell | Bill Keating (D)
	rowspan=7 Template:Party cell | Katherine Clark (D)
Template:USCongressOrdinal Template:Nowrap	rowspan=6 Template:Party cell | Seth Moulton (D)
Template:USCongressOrdinal Template:Nowrap
Template:USCongressOrdinal Template:Nowrap	rowspan=4 Template:Party cell | Lori Trahan (D)	rowspan=4 Template:Party cell | Ayanna Pressley (D)
Template:USCongressOrdinal Template:Nowrap	rowspan=3 Template:Party cell | Jake Auchincloss (D)
Template:USCongressOrdinal Template:Nowrap
Template:USCongressOrdinal Template:Nowrap

See also

• List of United States congressional districts
• Massachusetts's congressional districts
• Political party strength in Massachusetts