United States congressional delegations from Massachusetts

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

Massachusetts

CPVI (2022):^[1]
D+15

Class I senator

Class II senator

Elizabeth Warren
(Senior senator)
(Cambridge)

Ed Markey
(Junior senator)
(Malden)

Party

Democratic

Incumbent since

January 3, 2013

July 16, 2013

Current U.S. representatives from Massachusetts
District	Member (Residence)^[2]	Party	Incumbent since	CPVI (2022)^[3]	District map
1st	Richard Neal (Springfield)	Democratic	January 3, 1989	D+9
2nd	Jim McGovern (Worcester)	Democratic	January 3, 1997	D+13
3rd	Lori Trahan (Westford)	Democratic	January 3, 2019	D+11
4th	Jake Auchincloss (Newton)	Democratic	January 3, 2021	D+12
5th	Katherine Clark (Revere)	Democratic	December 12, 2013	D+23
6th	Seth Moulton (Salem)	Democratic	January 3, 2015	D+11
7th	Ayanna Pressley (Boston)	Democratic	January 3, 2019	D+35
8th	Stephen Lynch (Boston)	Democratic	October 16, 2001	D+15
9th	Bill Keating (Bourne)	Democratic	January 3, 2011	D+6

United States Senate

Class I senator	Congress
Tristram Dalton (PA)	1st (1789–1791)	Caleb Strong (PA)
George Cabot (PA)	2nd (1791–1793)
	3rd (1793–1795)
	4th (1795–1797)
Benjamin Goodhue (F)	4th (1795–1797)	Theodore Sedgwick (F)
	5th (1797–1799)	Theodore Sedgwick (F)
	6th (1799–1801)	Samuel Dexter (F)
Jonathan Mason (F)	6th (1799–1801)	Dwight Foster (F)
Jonathan Mason (F)	7th (1801–1803)	Dwight Foster (F)
John Quincy Adams (F)	8th (1803–1805)	Timothy Pickering (F)
	9th (1805–1807)
	10th (1807–1809)
James Lloyd (F)	10th (1807–1809)
	11th (1809–1811)
	12th (1811–1813)	Joseph Bradley Varnum (DR)
	13th (1813–1815)
Christopher Gore (F)	13th (1813–1815)
Christopher Gore (F)	14th (1815–1817)
Eli P. Ashmun (F)	14th (1815–1817)
Eli P. Ashmun (F)	15th (1817–1819)	Harrison Gray Otis (F)
Prentiss Mellen (F)	15th (1817–1819)
Prentiss Mellen (F)	16th (1819–1821)
Elijah H. Mills (F)	16th (1819–1821)
	17th (1821–1823)
	17th (1821–1823)	James Lloyd (F)
	18th (1823–1825)	James Lloyd (F)
Elijah H. Mills (NR)	19th (1825–1827)	James Lloyd (NR)
Elijah H. Mills (NR)	19th (1825–1827)	Nathaniel Silsbee (NR)
Daniel Webster (NR)	20th (1827–1829)
	21st (1829–1831)
	22nd (1831–1833)
	23rd (1833–1835)
	24th (1835–1837)	John Davis (NR)
Daniel Webster (W)	25th (1837–1839)	John Davis (W)
	26th (1839–1841)	John Davis (W)
	26th (1839–1841)	Isaac C. Bates (W)
Rufus Choate (W)	27th (1841–1843)
Rufus Choate (W)	28th (1843–1845)
Daniel Webster (W)	29th (1845–1847)
	29th (1845–1847)	John Davis (W)
	30th (1847–1849)
	31st (1849–1851)
Robert C. Winthrop (W)
Robert Rantoul Jr. (D)
Charles Sumner (FS)	32nd (1851–1853)
	33rd (1853–1855)	Edward Everett (W)
		Julius Rockwell (W)
		Henry Wilson (FS)
	34th (1855–1857)	Henry Wilson (R)
Charles Sumner (R)	35th (1857–1859)
	36th (1859–1861)
	37th (1861–1863)
	38th (1863–1865)
	39th (1865–1867)
	40th (1867–1869)
	41st (1869–1871)
	42nd (1871–1873)
Charles Sumner (LR)	43rd (1873–1875)	George S. Boutwell (R)
William B. Washburn (R)	43rd (1873–1875)
Henry L. Dawes (R)	44th (1875–1877)
	45th (1877–1879)	George F. Hoar (R)
	46th (1879–1881)
	47th (1881–1883)
	48th (1883–1885)
	49th (1885–1887)
	50th (1887–1889)
	51st (1889–1891)
	52nd (1891–1893)
Henry Cabot Lodge (R)	53rd (1893–1895)
	54th (1895–1897)
	55th (1897–1899)
	56th (1899–1901)
	57th (1901–1903)
	58th (1903–1905)
	58th (1903–1905)	Winthrop M. Crane (R)
	59th (1905–1907)
	60th (1907–1909)
	61st (1909–1911)
	62nd (1911–1913)
	63rd (1913–1915)	John W. Weeks (R)
	64th (1915–1917)
	65th (1917–1919)
	66th (1919–1921)	David I. Walsh (D)
	67th (1921–1923)
	68th (1923–1925)
William M. Butler (R)	68th (1923–1925)
William M. Butler (R)	69th (1925–1927)	Frederick H. Gillett (R)
David I. Walsh (D)	69th (1925–1927)
	70th (1927–1929)
	71st (1929–1931)
	72nd (1931–1933)	Marcus A. Coolidge (D)
	73rd (1933–1935)
	74th (1935–1937)
	75th (1937–1939)	Henry Cabot Lodge Jr. (R)
	76th (1939–1941)
	77th (1941–1943)
	78th (1943–1945)
	78th (1943–1945)	Sinclair Weeks (R)
	79th (1945–1947)	Leverett Saltonstall (R)
Henry Cabot Lodge Jr. (R)	80th (1947–1949)
	81st (1949–1951)
	82nd (1951–1953)
John F. Kennedy (D)	83rd (1953–1955)
	84th (1955–1957)
	85th (1957–1959)
	86th (1959–1961)
Benjamin A. Smith II (D)	86th (1959–1961)
Benjamin A. Smith II (D)	87th (1961–1963)
Ted Kennedy (D)	87th (1961–1963)
	88th (1963–1965)
	89th (1965–1967)
	90th (1967–1969)	Edward Brooke (R)
	91st (1969–1971)
	92nd (1971–1973)
	93rd (1973–1975)
	94th (1975–1977)
	95th (1977–1979)
	96th (1979–1981)	Paul Tsongas (D)
	97th (1981–1983)
	98th (1983–1985)
	98th (1983–1985)	John Kerry (D)
	99th (1985–1987)
	100th (1987–1989)
	101st (1989–1991)
	102nd (1991–1993)
	103rd (1993–1995)
	104th (1995–1997)
	105th (1997–1999)
	106th (1999–2001)
	107th (2001–2003)
	108th (2003–2005)
	109th (2005–2007)
	110th (2007–2009)
	111th (2009–2011)
Paul G. Kirk (D)
Scott Brown (R)
Scott Brown (R)	112th (2011–2013)
Elizabeth Warren (D)	113th (2013–2015)
		Mo Cowan (D)
		Ed Markey (D)
	114th (2015–2017)
	115th (2017–2019)
	116th (2019–2021)
	117th (2021–2023)
	118th (2023–2025)

United States House of Representatives

1789 to 1793: 8 seats

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

Congress	District
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th
1st (1789–1791)	Fisher Ames (PA)	Benjamin Goodhue (PA)	Elbridge Gerry (AA)	Theodore Sedgwick (PA)	George Partridge (PA)	George Thatcher (PA)	George Leonard (PA)	Jonathan Grout (AA)
1st (1789–1791)					vacant	George Thatcher (PA)	George Leonard (PA)	Jonathan Grout (AA)
2nd (1791–1793)					Shearjashub Bourne (PA)	George Leonard (PA)	Artemas Ward (PA)	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
Congress	1st (4 seats)				2nd (4 seats)				3rd (2 seats)		4th (3 seats)			At-large
3rd (1793–1795)	Samuel Holten (AA)	Benjamin Goodhue (PA)	Samuel Dexter (PA)	Fisher Ames (PA)	Dwight Foster (PA)	Theodore Sedgwick (PA)	William Lyman (AA)	Artemas Ward (PA)	Peleg Coffin Jr. (PA)	Shearjashub Bourne (PA)	Peleg Wadsworth (PA)	Henry Dearborn (AA)	George Thatcher (PA)	David Cobb (PA)
Congress	District
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th	11th	12th	13th	14th
4th (1795–1797)	Theodore Sedgwick (F)	William Lyman (DR)	Samuel Lyman (F)	Dwight Foster (F)	Nathaniel Freeman Jr. (DR)	John Reed Sr. (F)	George Leonard (F)	Fisher Ames (F)	Joseph Bradley Varnum (DR)	Benjamin Goodhue (F)	Theophilus Bradbury (F)	Henry Dearborn (DR)	Peleg Wadsworth (F)	George Thatcher (F)
4th (1795–1797)	Thomson J. Skinner (DR)	William Lyman (DR)					George Leonard (F)	Fisher Ames (F)		Samuel Sewall (F)		Henry Dearborn (DR)
5th (1797–1799)		William Shepard (F)					Stephen Bullock (F)	Harrison Gray Otis (F)				Isaac Parker (F)
5th (1797–1799)							Stephen Bullock (F)				Bailey Bartlett (F)	Isaac Parker (F)
6th (1799–1801)	Theodore Sedgwick (F)				Lemuel Williams (F)		Phanuel Bishop (DR)					Silas Lee (F)
6th (1799–1801)	Theodore Sedgwick (F)		Ebenezer Mattoon (F)	Levi Lincoln Sr. (DR)						Nathan Read (F)
7th (1801–1803)	John Bacon (DR)			Levi Lincoln Sr. (DR)		Josiah Smith (DR)		William Eustis (DR)			Manasseh Cutler (F)			Richard Cutts (DR)
7th (1801–1803)	John Bacon (DR)			Seth Hastings (F)		Josiah Smith (DR)		William Eustis (DR)			Manasseh Cutler (F)	Samuel Thatcher (F)		Richard Cutts (DR)

1803 to 1813: 17 seats

After the 1800 census, Massachusetts gained three seats.

Congress	District										District
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th	11th	12th	13th	14th	15th	16th	17th
8th (1803–1805)	William Eustis (DR)	Jacob Crowninshield (DR)	Manasseh Cutler (F)	Joseph Bradley Varnum (DR)	Thomas Dwight (F)	Samuel Taggart (F)	Nahum Mitchell (F)	Lemuel Williams (F)	Phanuel Bishop (DR)	Seth Hastings (F)	William Stedman (F)	Thomson Skinner (DR)	Ebenezer Seaver (DR)	Richard Cutts (DR)	Peleg Wadsworth (F)	Samuel Thatcher (F)	Phineas Bruce (F)
8th (1803–1805)	William Eustis (DR)		Manasseh Cutler (F)		Thomas Dwight (F)		Nahum Mitchell (F)	Lemuel Williams (F)				Simon Larned (DR)				Samuel Thatcher (F)	Phineas Bruce (F)
9th (1805–1807)	Josiah Quincy III (F)		Jeremiah Nelson (F)		William Ely (F)		Joseph Barker (DR)	Isaiah L. Green (DR)				Barnabas Bidwell (DR)				Orchard Cook (DR)	John Chandler (DR)
10th (1807–1809)			Edward St. Loe Livermore (F)						Josiah Dean (DR)	Jabez Upham (F)		Ezekiel Bacon (DR)			Daniel Ilsley (DR)
10th (1807–1809)		Joseph Story (DR)							Josiah Dean (DR)						Daniel Ilsley (DR)
11th (1809–1811)		Benjamin Pickman Jr. (F)					William Baylies (F)	Gideon Gardner (DR)	Laban Wheaton (F)						Ezekiel Whitman (F)		Barzillai Gannett (DR)
11th (1809–1811)		Benjamin Pickman Jr. (F)					Charles Turner (DR)	Gideon Gardner (DR)		Joseph Allen (F)	Abijah Bigelow (F)				Ezekiel Whitman (F)
12th (1811–1813)		William Reed (F)	Leonard White (F)	William M. Richardson (DR)				Isaiah L. Green (DR)		Elijah Brigham (F)					William Widgery (DR)	Peleg Tallman (DR)
12th (1811–1813)		William Reed (F)	Leonard White (F)	William M. Richardson (DR)				Isaiah L. Green (DR)		Elijah Brigham (F)					William Widgery (DR)	Peleg Tallman (DR)	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
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th	11th	12th	13th	14th	15th	16th	17th	18th	19th	20th
13th (1813–1815)	Artemas Ward Jr. (F)	William Reed (F)	Timothy Pickering (F)	William M. Richardson (DR)	William Ely (F)	Samuel Taggart (F)	William Baylies (F)	John Reed Jr. (F)	Laban Wheaton (F)	Elijah Brigham (F)	Abijah Bigelow (F)	Daniel Dewey (F)	Nathaniel Ruggles (F)	Cyrus King (F)	George Bradbury (F)	Samuel Davis (F)	Abiel Wood (DR)	John Wilson (F)	James Parker (DR)	Levi Hubbard (DR)
13th (1813–1815)		William Reed (F)	Timothy Pickering (F)	Samuel Dana (DR)	William Ely (F)		William Baylies (F)	John Reed Jr. (F)	Laban Wheaton (F)	Elijah Brigham (F)	Abijah Bigelow (F)	John Hulbert (F)				Samuel Davis (F)	Abiel Wood (DR)	John Wilson (F)	James Parker (DR)	Levi Hubbard (DR)
14th (1815–1817)		Timothy Pickering (F)	Jeremiah Nelson (F)	Asahel Stearns (F)	Elijah H. Mills (F)		John W. Hulbert (F)	William Baylies (F)	John Reed Jr. (F)	Laban Wheaton (F)	Elijah Brigham (F)	Solomon Strong (F)				Benjamin Brown (F)	James Carr (F)	Thomas Rice (F)	Samuel S. Conner (DR)	Albion Parris (DR)
14th (1815–1817)		Timothy Pickering (F)		Asahel Stearns (F)			John W. Hulbert (F)	William Baylies (F)	John Reed Jr. (F)	Laban Wheaton (F)	Benjamin Adams (F)					Benjamin Brown (F)	James Carr (F)		Samuel S. Conner (DR)
15th (1817–1819)	Jonathan Mason (F)	Nathaniel Silsbee (DR)		Timothy Fuller (DR)		Samuel Clesson Allen (F)	Henry Shaw (DR)	Zabdiel Sampson (DR)	Walter Folger Jr. (DR)	Marcus Morton (DR)				John Holmes (DR)	Ezekiel Whitman (F)	Benjamin Orr (F)	John Wilson (F)		Joshua Gage (DR)
15th (1817–1819)																Benjamin Orr (F)	John Wilson (F)		Joshua Gage (DR)	Enoch Lincoln (DR)
16th (1819–1821)					Samuel Lathrop (F)							Jonas Kendall (F)	Edward Dowse (DR)			Mark Langdon Hill (DR)	Martin Kinsley (DR)	James Parker (DR)	Joshua Cushman (DR)
	Benjamin Gorham (DR)							Aaron Hobart (DR)					William Eustis (DR)	vacant		Mark Langdon Hill (DR)	Martin Kinsley (DR)	James Parker (DR)	Joshua Cushman (DR)
														District of Maine split
17th (1821–1823)		Gideon Barstow (DR)					Henry W. Dwight (F)		John Reed Jr. (F)	Francis Baylies (F)	Jonathan Russell (DR)	Lewis Bigelow (F)		District of Maine split

1823–1833: 13 seats

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

Congress	District
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th	11th	12th	13th
18th (1823–1825)	Daniel Webster (F)^[a]	Benjamin W. Crowninshield (DR)^[a]	Jeremiah Nelson (F)^[a]	Timothy Fuller (DR)^[a]	Jonas Sibley (DR)^[a]	John Locke (DR)^[a]	Samuel Clesson Allen (F)^[a]	Samuel Lathrop (F)^[a]	Henry W. Dwight (F)^[a]	John Bailey (DR)^[a]	Aaron Hobart (DR)^[a]	Francis Baylies (F)^[b]	John Reed Jr. (F)^[a]
19th (1825–1827)	Daniel Webster (NR)	Benjamin W. Crowninshield (NR)	John Varnum (NR)	Edward Everett (NR)	John Davis (NR)	John Locke (NR)	Samuel Clesson Allen (NR)	Samuel Lathrop (NR)	Henry W. Dwight (NR)	John Bailey (NR)	Aaron Hobart (NR)	Francis Baylies (J)	John Reed Jr. (NR)
20th (1827–1829)	Daniel Webster (NR)							Isaac C. Bates (NR)			Joseph Richardson (NR)	James L. Hodges (NR)
20th (1827–1829)	Benjamin Gorham (NR)
21st (1829–1831)	Benjamin Gorham (NR)					Joseph G. Kendall (NR)	George Grennell Jr. (NR)
22nd (1831–1833)	Nathan Appleton (NR)	Rufus Choate (NR)	Jeremiah Nelson (NR)			Joseph G. Kendall (NR)	George Grennell Jr. (NR)		George N. Briggs (NR)	Henry A. S. Dearborn (NR)	John Quincy Adams (NR)

1833 to 1843: 12 seats

After the 1830 census, Massachusetts lost one seat.

Congress	District
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th	11th	12th
23rd (1833–1835)	Benjamin Gorham (NR)	Rufus Choate (NR)	Gayton P. Osgood (J)	Edward Everett (NR)	John Davis (NR)	George Grennell Jr. (NR)	George N. Briggs (NR)	Isaac C. Bates (NR)	William Jackson (A-M)	William Baylies (NR)	John Reed Jr. (NR)	John Quincy Adams (A-M)
23rd (1833–1835)	Benjamin Gorham (NR)	Stephen Philips (NR)	Gayton P. Osgood (J)	Edward Everett (NR)	Levi Lincoln Jr. (NR)			Isaac C. Bates (NR)		William Baylies (NR)	John Reed Jr. (NR)
24th (1835–1837)	Abbott Lawrence (NR)	Stephen Philips (NR)	Caleb Cushing (NR)	Samuel Hoar (NR)	Levi Lincoln Jr. (NR)			William B. Calhoun (NR)		Nathaniel B. Borden (J)	John Reed Jr. (A-M)
25th (1837–1839)	Richard Fletcher (W)	Stephen Phillips (W)	Caleb Cushing (W)	William Parmenter (D)	Levi Lincoln Jr. (W)	George Grennell Jr. (W)	George N. Briggs (W)	William B. Calhoun (W)	William Soden Hastings (W)	Nathaniel B. Borden (D)	John Reed Jr. (W)	John Quincy Adams (W)
25th (1837–1839)	Richard Fletcher (W)	Leverett Saltonstall I (W)				George Grennell Jr. (W)				Nathaniel B. Borden (D)
26th (1839–1841)	Abbott Lawrence (W)					James Alvord (W)				Henry Williams (D)
26th (1839–1841)	Robert C. Winthrop (W)					Osmyn Baker (W)				Henry Williams (D)
27th (1841–1843)	Robert C. Winthrop (W)									Nathaniel B. Borden (W)	Barker Burnell (W)
	Nathan Appleton (W)				Charles Hudson (W)
	Robert C. Winthrop (W)				Charles Hudson (W)

1843 to 1853: 10 seats

After the 1840 census, Massachusetts lost two seats.

Congress	District
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th
28th (1843–1845)	Robert Charles Winthrop (W)	Daniel P. King (W)	Amos Abbott (W)	William Parmenter (D)	Charles Hudson (W)	Osmyn Baker (W)	Julius Rockwell (W)	John Quincy Adams (W)	Henry Williams (D)	Barker Burnell (W)
28th (1843–1845)				William Parmenter (D)		Osmyn Baker (W)			Henry Williams (D)	Joseph Grinnell (W)
29th (1845–1847)				Benjamin Thompson (W)		George Ashmun (W)			Artemas Hale (W)
30th (1847–1849)				John G. Palfrey (W)
30th (1847–1849)				John G. Palfrey (W)				Horace Mann (W)
31st (1849–1851)			James H. Duncan (W)	vacant	Charles Allen (FS)				Orin Fowler (W)
31st (1849–1851)	Samuel A. Eliot (W)			vacant
32nd (1851–1853)	William Appleton (W)	Robert Rantoul (D)		Benjamin Thompson (W)		George T. Davis (W)	John Z. Goodrich (W)			Zeno Scudder (W)
32nd (1851–1853)	William Appleton (W)	Francis B. Fay (W)		Lorenzo Sabine (W)		George T. Davis (W)	John Z. Goodrich (W)		Edward P. Little (D)	Zeno Scudder (W)

1853 to 1863: 11 seats

After the 1850 census, Massachusetts gained one seat.

Congress	District
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th	11th
33rd (1853–1855)	Zeno Scudder (W)	Samuel L. Crocker (W)	J. Wiley Edmands (W)	Samuel H. Walley (W)	William Appleton (W)	Charles W. Upham (W)	Nathaniel P. Banks (D)	Tappan Wentworth (W)	Alexander De Witt (FS)	Edward Dickinson (W)	John Z. Goodrich (W)
33rd (1853–1855)	Thomas D. Eliot (W)	Samuel L. Crocker (W)	J. Wiley Edmands (W)	Samuel H. Walley (W)	William Appleton (W)	Charles W. Upham (W)	Nathaniel P. Banks (D)	Tappan Wentworth (W)	Alexander De Witt (FS)	Edward Dickinson (W)	John Z. Goodrich (W)
34th (1855–1857)	Robert Bernard Hall (KN)	James Buffington (KN)	William S. Damrell (KN)	Linus B. Comins (KN)	Anson Burlingame (KN)	Timothy Davis (KN)	Nathaniel P. Banks (KN)	Chauncey L. Knapp (KN)	Alexander De Witt (KN)	Calvin C. Chaffee (KN)	Mark Trafton (KN)
35th (1857–1859)	Robert Bernard Hall (R)	James Buffington (R)	William S. Damrell (R)	Linus B Comins (R)	Anson Burlingame (R)	Timothy Davis (R)	Nathaniel P. Banks (R)	Chauncey L. Knapp (R)	Eli Thayer (R)	Calvin C. Chaffee (R)	Henry L. Dawes (R)
35th (1857–1859)	Robert Bernard Hall (R)		William S. Damrell (R)	Linus B Comins (R)		Timothy Davis (R)	Daniel W. Gooch (R)	Chauncey L. Knapp (R)		Calvin C. Chaffee (R)
36th (1859–1861)	Thomas D. Eliot (R)		Charles Francis Adams Sr. (R)	Alexander H. Rice (R)		John B. Alley (R)		Charles R. Train (R)		Charles Delano (R)
37th (1861–1863)			Charles Francis Adams Sr. (R)		William Appleton (U)				Goldsmith Bailey (R)
37th (1861–1863)			Benjamin Thomas (U)		Samuel Hooper (U)				Amasa Walker (R)

1863 to 1873: 10 seats

After the 1860 census, Massachusetts lost one seat.

Congress	District
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th
38th (1863–1865)	Thomas D. Eliot (R)	Oakes Ames (R)	Alexander H. Rice (R)	Samuel Hooper (R)	John B. Alley (R)	Daniel W. Gooch (R)	George S. Boutwell (R)	John D. Baldwin (R)	William B. Washburn (R)	Henry L. Dawes (R)
39th (1865–1867)						Daniel W. Gooch (R)
39th (1865–1867)						Nathaniel P. Banks (R)
40th (1867–1869)			Ginery Twichell (R)		Benjamin Butler (R)
41st (1869–1871)	James Buffington (R)							George F. Hoar (R)
41st (1869–1871)							George M. Brooks (R)
42nd (1871–1873)							George M. Brooks (R)
42nd (1871–1873)							Constantine Esty (R)		Alvah Crocker (R)

1873 to 1883: 11 seats

After the 1870 census, Massachusetts gained one seat.

Congress	District
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th	11th
43rd (1873–1875)	James Buffington (R)	Benjamin W. Harris (R)	William Whiting (R)	Samuel Hooper (R)	Daniel W. Gooch (R)	Benjamin Butler (R)	Ebenezer R. Hoar (R)	John M. S. Williams (R)	George F. Hoar (R)	Alvah Crocker (R)	Henry L. Dawes (R)
43rd (1873–1875)			Henry L. Pierce (R)	Samuel Hooper (R)	Daniel W. Gooch (R)	Benjamin Butler (R)	Ebenezer R. Hoar (R)	John M. S. Williams (R)		Charles Stevens (R)	Henry L. Dawes (R)
44th (1875–1877)				Rufus Frost (R)	Nathaniel P. Banks (I)	Charles Perkins Thompson (D)	John K. Tarbox (D)	William W. Warren (D)		Julius Hawley Seelye (I)	Chester W. Chapin (D)
44th (1875–1877)	William W. Crapo (R)			Josiah Abbott (D)	Nathaniel P. Banks (I)	Charles Perkins Thompson (D)	John K. Tarbox (D)	William W. Warren (D)		Julius Hawley Seelye (I)	Chester W. Chapin (D)
45th (1877–1879)			Walbridge Field (R)	Leopold Morse (D)	Nathaniel P. Banks (R)	George B. Loring (R)	Benjamin Butler (R)	William Claflin (R)	William W. Rice (R)	Amasa Norcross (R)	George Robinson (R)
45th (1877–1879)			Benjamin Dean (D)		Nathaniel P. Banks (R)		Benjamin Butler (R)
46th (1879–1881)			Walbridge Field (R)		Selwyn Z. Bowman (R)		William A. Russell (R)
47th (1881–1883)			Ambrose Ranney (R)		Selwyn Z. Bowman (R)	Eben F. Stone (R)	William A. Russell (R)	John W. Candler (R)

1883 to 1893: 12 seats

After the 1880 census, Massachusetts gained one seat.

Congress	District
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th	11th	12th
48th (1883–1885)	Robert T. Davis (R)	John Davis Long (R)	Ambrose Ranney (R)	Patrick Collins (D)	Leopold Morse (D)	Henry B. Lovering (D)	Eben F. Stone (R)	William A. Russell (R)	Theodore Lyman III (IR)	William W. Rice (R)	William Whiting II (R)	George Robinson (R)
48th (1883–1885)					Leopold Morse (D)			William A. Russell (R)	Theodore Lyman III (IR)			Francis W. Rockwell (R)
49th (1885–1887)					Edward D. Hayden (R)			Charles H. Allen (R)	Frederick D. Ely (R)
50th (1887–1889)			Leopold Morse (D)		Edward D. Hayden (R)	Henry Cabot Lodge (R)	William Cogswell (R)	Charles H. Allen (R)	Edward Burnett (D)	John E. Russell (D)
51st (1889–1891)	Charles S. Randall (R)	Elijah A. Morse (R)	John F. Andrew (D)	Joseph H. O'Neil (D)	Nathaniel P. Banks (R)			Frederic T. Greenhalge (R)	John W. Candler (R)	Joseph H. Walker (R)	Rodney Wallace (R)
52nd (1891–1893)	Charles S. Randall (R)	Elijah A. Morse (R)	John F. Andrew (D)	Joseph H. O'Neil (D)	Sherman Hoar (D)			Moses T. Stevens (D)	George F. Williams (D)	Joseph H. Walker (R)	Frederick S. Coolidge (D)	John Crawford Crosby (D)

1893 to 1903: 13 seats

After the 1890 census, Massachusetts gained one seat.

Congress	District
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th	11th	12th	13th
53rd (1893–1895)	Ashley B. Wright (R)	Frederick H. Gillett (R)	Joseph H. Walker (R)	Lewis D. Apsley (R)	Moses T. Stevens (D)	William Cogswell (R)	William Everett (D)	Samuel W. McCall (R)	Joseph H. O'Neil (D)	Michael J. McEttrick (ID)	William Franklin Draper (R)	Elijah A. Morse (R)	Charles S. Randall (R)
54th (1895–1897)					William S. Knox (R)	William Cogswell (R)	William Emerson Barrett (R)		John F. Fitzgerald (D)	Harrison H. Atwood (R)			John Simpkins (R)
54th (1895–1897)						William Henry Moody (R)				Harrison H. Atwood (R)
55th (1897–1899)				George W. Weymouth (R)						Samuel J. Barrows (R)	Charles F. Sprague (R)	William C. Lovering (R)
55th (1897–1899)	George P. Lawrence (R)									Samuel J. Barrows (R)			William S. Greene (R)
56th (1899–1901)			John R. Thayer (D)				Ernest W. Roberts (R)			Henry F. Naphen (D)
57th (1901–1903)				Charles Q. Tirrell (R)					Joseph A. Conry (D)		Samuel Powers (R)
57th (1901–1903)				Charles Q. Tirrell (R)		Augustus P. Gardner (R)			Joseph A. Conry (D)		Samuel Powers (R)

1903 to 1913: 14 seats

After the 1900 census, Massachusetts gained one seat.

Congress	District
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th	11th	12th	13th	14th
58th (1903–1905)	George P. Lawrence (R)	Frederick H. Gillett (R)	John Thayer (D)	Charles Q. Tirrell (R)	Butler Ames (R)	Augustus P. Gardner (R)	Ernest W. Roberts (R)	Samuel W. McCall (R)	John A. Keliher (D)	William S. McNary (D)	John Andrew Sullivan (D)	Samuel Powers (R)	William S. Greene (R)	William C. Lovering (R)
59th (1905–1907)			Rockwood Hoar (R)									John W. Weeks (R)
59th (1905–1907)			Charles G. Washburn (R)
60th (1907–1909)										Joseph F. O'Connell (D)	Andrew J. Peters (D)
61st (1909–1911)
61st (1909–1911)				John Mitchell (D)										Eugene Foss (D)
62nd (1911–1913)			John A. Thayer (D)	William Wilder (R)					Wm. F. Murray (D)	James Curley (D)				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
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th	11th	12th	13th	14th	15th	16th
63rd (1913–1915)	Allen T. Treadway (R)	Frederick H. Gillett (R)	William Wilder (R)	Samuel Winslow (R)	John Jacob Rogers (R)	Augustus P. Gardner (R)	Michael Francis Phelan (D)	Frederick S. Deitrick (D)	Ernest W. Roberts (R)	William F. Murray (D)	Andrew J. Peters (D)	James Curley (D)	John Weeks (R)	Edward Gilmore (D)	William S. Greene (R)	Thomas C. Thacher (D)
63rd (1913–1915)			Calvin Page (R)					Frederick S. Deitrick (D)		William F. Murray (D)	Andrew J. Peters (D)	James A. Gallivan (D)	John Mitchell (D)	Edward Gilmore (D)		Thomas C. Thacher (D)
64th (1915–1917)								Frederick W. Dallinger (R)		Peter Francis Tague (D)	George H. Tinkham (R)		William Henry Carter (R)	Richard Olney II (D)		Joseph Walsh (R)
65th (1917–1919)									Alvan T. Fuller (R)
65th (1917–1919)						Willfred W. Lufkin (R)
66th (1919–1921)													Robert Luce (R)
66th (1919–1921)										John Fitzgerald (D)
67th (1921–1923)							Robert S. Maloney (R)		Charles L. Underhill (R)	Peter Francis Tague (D)				Louis A. Frothingham (R)
67th (1921–1923)						A. Piatt Andrew (R)	Robert S. Maloney (R)									Charles L. Gifford (R)
68th (1923–1925)							William P. Connery Jr. (D)
68th (1923–1925)															Robert Leach (R)
69th (1925–1927)		George Churchill (R)	Frank H. Foss (R)	George R. Stobbs (R)				Harry I. Thayer (R)		John J. Douglass (D)					Joseph W. Martin Jr. (R)
69th (1925–1927)		Henry L. Bowles (R)			Edith Nourse Rogers (R)			Harry I. Thayer (R)
70th (1927–1929)		Henry L. Bowles (R)						Frederick W. Dallinger (R)
71st (1929–1931)		Will Kaynor (R)										John W. McCormack (D)		Dick Wigglesworth (R)
71st (1929–1931)		William J. Granfield (D)
72nd (1931–1933)		William J. Granfield (D)		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
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th	11th	12th	13th	14th	15th
73rd (1933–1935)	Allen T. Treadway (R)	William J. Granfield (D)	Frank H. Foss (R)	Pehr G. Holmes (R)	Edith Nourse Rogers (R)	A. Piatt Andrew (R)	William P. Connery Jr. (D)	Arthur Daniel Healey (D)	Robert Luce (R)	George H. Tinkham (R)	John J. Douglass (D)	John W. McCormack (D)	Dick Wigglesworth (R)	Joseph W. Martin Jr. (R)	Charles L. Gifford (R)
74th (1935–1937)			Joseph E. Casey (D)			A. Piatt Andrew (R)			Richard M. Russell (D)		John P. Higgins (D)
74th (1935–1937)						vacant			Richard M. Russell (D)
75th (1937–1939)		Charles R. Clason (R)				George J. Bates (R)			Robert Luce (R)
75th (1937–1939)							Lawrence J. Connery (D)				Thomas A. Flaherty (D)
76th (1939–1941)
77th (1941–1943)									Thomas H. Eliot (D)
77th (1941–1943)							Thomas Lane (D)	vacant	Thomas H. Eliot (D)
78th (1943–1945)			Philip J. Philbin (D)					Angier Goodwin (R)	Charles L. Gifford (R)	Christian Herter (R)	James Michael Curley (D)
79th (1945–1947)	John W. Heselton (R)										James Michael Curley (D)
80th (1947–1949)				Harold Donohue (D)							John F. Kennedy (D)
80th (1947–1949)									Donald W. Nicholson (R)
81st (1949–1951)		Foster Furcolo (D)
81st (1949–1951)						William H. Bates (R)
82nd (1951–1953)
82nd (1951–1953)		vacant
83rd (1953–1955)		Ed Boland (D)								Laurence Curtis (R)	Tip O'Neill (D)
84th (1955–1957)								Torbert Macdonald (D)
85th (1957–1959)
85th (1957–1959)													vacant
86th (1959–1961)	Silvio O. Conte (R)								Hastings Keith (R)				James A. Burke (D)
86th (1959–1961)					vacant
87th (1961–1963)					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
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th	11th	12th
88th (1963–1965)	Silvio O. Conte (R)	Ed Boland (D)	Philip J. Philbin (D)	Harold Donohue (D)	F. Bradford Morse (R)	William H. Bates (R)	Torbert Macdonald (D)	Tip O'Neill (D)	John W. McCormack (D)	Joseph W. Martin Jr. (R)	James A. Burke (D)	Hastings Keith (R)
89th (1965–1967)										Joseph W. Martin Jr. (R)
90th (1967–1969)										Margaret Heckler (R)
91st (1969–1971)
91st (1969–1971)						Mike Harrington (D)
92nd (1971–1973)			Robert Drinan (D)						Louise Day Hicks (D)
92nd (1971–1973)			Robert Drinan (D)		vacant				Louise Day Hicks (D)
93rd (1973–1975)			Harold Donohue (D)	Robert Drinan (D)	Paul W. Cronin (R)				Joe Moakley (D)			Gerry Studds (D)
93rd (1973–1975)			vacant		Paul W. Cronin (R)
94th (1975–1977)			Joseph Early (D)		Paul Tsongas (D)
94th (1975–1977)							Ed Markey (D)
95th (1977–1979)
96th (1979–1981)					James Shannon (D)	Nicholas Mavroules (D)					Brian J. Donnelly (D)
97th (1981–1983)				Barney Frank (D)	James Shannon (D)	Nicholas Mavroules (D)					Brian J. Donnelly (D)

1983 to 1993: 11 seats

After the 1980 census, Massachusetts lost one seat.

Congress	District
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th	11th
98th (1983–1985)	Silvio O. Conte (R)	Ed Boland (D)	Joseph Early (D)	Barney Frank (D)	James Shannon (D)	Nicholas Mavroules (D)	Ed Markey (D)	Tip O'Neill (D)	Joe Moakley (D)	Gerry Studds (D)	Brian J. Donnelly (D)
99th (1985–1987)					Chester G. Atkins (D)			Tip O'Neill (D)
100th (1987–1989)								Joseph P. Kennedy II (D)
101st (1989–1991)		Richard Neal (D)
102nd (1991–1993)
102nd (1991–1993)	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
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th
103rd (1993–1995)	John Olver (D)	Richard Neal (D)	Peter Blute (R)	Barney Frank (D)	Marty Meehan (D)	Peter G. Torkildsen (R)	Ed Markey (D)	Joseph P. Kennedy II (D)	Joe Moakley (D)	Gerry Studds (D)
104th (1995–1997)			Peter Blute (R)			Peter G. Torkildsen (R)				Gerry Studds (D)
105th (1997–1999)			Jim McGovern (D)			John Tierney (D)				Bill Delahunt (D)
106th (1999–2001)								Mike Capuano (D)
107th (2001–2003)
107th (2001–2003)									Stephen Lynch (D)
108th (2003–2005)
109th (2005–2007)
110th (2007–2009)
110th (2007–2009)					Niki Tsongas (D)
111th (2009–2011)
112th (2011–2013)										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
Congress	1st	2nd	3rd	4th	5th	6th	7th	8th	9th
113th (2013–2015)	Richard Neal (D)	Jim McGovern (D)	Niki Tsongas (D)	Joe Kennedy III (D)	Ed Markey (D)	John Tierney (D)	Mike Capuano (D)	Stephen Lynch (D)	Bill Keating (D)
113th (2013–2015)					Katherine Clark (D)	John Tierney (D)
114th (2015–2017)						Seth Moulton (D)
115th (2017–2019)
116th (2019–2021)			Lori Trahan (D)				Ayanna Pressley (D)
117th (2021–2023)				Jake Auchincloss (D)
118th (2023–2025)				Jake Auchincloss (D)

Key

Anti-Administration (AA)
Anti-Masonic (A-M)
Democratic (D)
Democratic-Republican (DR)
Federalist (F) Pro-Administration (PA)
Free Soil (FS)
Independent Democrat (ID)
Independent Republican (IR)
Jacksonian (J)
Know Nothing (KN)
National Republican (NR)
Opposition Northern (O)
Republican (R)
Union (U)
Whig (W)
Independent (I)

References

^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l Supported the Adams-Clay faction in the 1824 United States presidential election.
^ Supported the Jackson faction in the 1824 United States presidential election.

^ "2022 Cook PVI: State Map and List". Cook Political Report. Retrieved January 7, 2023.
^ "Office of the Clerk, U.S. House of Representatives". clerk.house.gov. Retrieved January 6, 2022.
^ "2022 Cook PVI: District Map and List". Cook Political Report. Retrieved January 8, 2023.

[Adams-Clay-4] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l Supported the Adams-Clay faction in the 1824 United States presidential election.

[Jackson-5] Supported the Jackson faction in the 1824 United States presidential election.

[1] "2022 Cook PVI: State Map and List". Cook Political Report. Retrieved January 7, 2023.

[2] "Office of the Clerk, U.S. House of Representatives". clerk.house.gov. Retrieved January 6, 2022.

[3] "2022 Cook PVI: District Map and List". Cook Political Report. Retrieved January 8, 2023.

[1]

[2]

[3]

[a]

[b]