These are tables ofcongressional delegations fromMassachusetts to theUnited States House of Representatives and theUnited States Senate.
Massachusetts is currently represented by two senators and nine representatives, all of whom areDemocrats. The current dean of the Massachusetts delegation isSenatorEd Markey, having served as a Senator since 2013 and in Congress since 1976.
| Current U.S. senators from Massachusetts | ||||
|---|---|---|---|---|
Massachusetts
| Class I senator | Class II senator | ||
.jpg) Elizabeth Warren (Senior senator) (Cambridge) | .jpg) Ed Markey (Junior senator) (Malden) | |||
| Party | Democratic | Democratic | ||
| Incumbent since | January 3, 2013 | July 16, 2013 | ||
| Current U.S. representatives from Massachusetts | |||||
|---|---|---|---|---|---|
| District | Member (Residence)[2] | Party | Incumbent since | CPVI (2025)[3] | District map |
| 1st | .jpg) Richard Neal (Springfield) | Democratic | January 3, 1989 | D+8 | .svg) |
| 2nd |  Jim McGovern (Worcester) | Democratic | January 3, 1997 | D+13 | .svg) |
| 3rd |  Lori Trahan (Westford) | Democratic | January 3, 2019 | D+11 | .svg) |
| 4th |  Jake Auchincloss (Newton) | Democratic | January 3, 2021 | D+11 | .svg) |
| 5th | .jpg) Katherine Clark (Revere) | Democratic | December 12, 2013 | D+24 | .svg) |
| 6th | .jpg) Seth Moulton (Salem) | Democratic | January 3, 2015 | D+11 | .svg) |
| 7th |  Ayanna Pressley (Boston) | Democratic | January 3, 2019 | D+34 | .svg) |
| 8th |  Stephen Lynch (Boston) | Democratic | October 16, 2001 | D+15 | .svg) |
| 9th |  Bill Keating (Bourne) | Democratic | January 3, 2011 | D+6 | .svg) |
| Class I senator | Congress | Class II senator | ||
|---|---|---|---|---|
| Tristram Dalton (PA) | 1st (1789–1791) | Caleb Strong (PA) | ||
| George Cabot (PA) | 2nd (1791–1793) | |||
| 3rd (1793–1795) | ||||
| 4th (1795–1797) | ||||
| Benjamin Goodhue (F) | Theodore Sedgwick (F) | |||
| 5th (1797–1799) | ||||
| 6th (1799–1801) | Samuel Dexter (F) | |||
| Jonathan Mason (F) | Dwight Foster (F) | |||
| 7th (1801–1803) | ||||
| John Quincy Adams (F) | 8th (1803–1805) | Timothy Pickering (F) | ||
| 9th (1805–1807) | ||||
| 10th (1807–1809) | ||||
| James Lloyd (F) | ||||
| 11th (1809–1811) | ||||
| 12th (1811–1813) | Joseph Bradley Varnum (DR) | |||
| 13th (1813–1815) | ||||
| Christopher Gore (F) | ||||
| 14th (1815–1817) | ||||
| Eli P. Ashmun (F) | ||||
| 15th (1817–1819) | Harrison Gray Otis (F) | |||
| Prentiss Mellen (F) | ||||
| 16th (1819–1821) | ||||
| Elijah H. Mills (F) | ||||
| 17th (1821–1823) | ||||
| James Lloyd (F) | ||||
| 18th (1823–1825) | ||||
| Elijah H. Mills (NR) | 19th (1825–1827) | James Lloyd (NR) | ||
| 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) | ||||
| Isaac C. Bates (W) | ||||
| Rufus Choate (W) | 27th (1841–1843) | |||
| 28th (1843–1845) | ||||
| Daniel Webster (W) | 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) | ||||
| 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) | ||||
| 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) | ||||
| 69th (1925–1927) | Frederick H. Gillett (R) | |||
| David I. Walsh (D) | ||||
| 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) | ||||
| 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) | ||||
| 87th (1961–1963) | ||||
| Ted Kennedy (D) | ||||
| 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) | ||||
| 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) | ||||
| 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) | ||||
| 119th (2025–2027) | ||||
Article I of the United States Constitution allocated 8 seats to Massachusetts.
| Congress | District | |||||||
|---|---|---|---|---|---|---|---|---|
| 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) |
| vacant | ||||||||
| 2nd(1791–1793) | Shearjashub Bourne(PA) | George Leonard(PA) | Artemas Ward(PA) | George Thatcher(PA) | ||||
After the1790 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.
After the1800 census, Massachusetts gained three seats.
| Congress | District | District | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) |
| Simon Larned(DR) | |||||||||||||||||
| 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) | ||||||||||||
| Joseph Story(DR) | |||||||||||||||||
| 11th (1809–1811) | Benjamin Pickman Jr.(F) | William Baylies(F) | Gideon Gardner (DR) | Laban Wheaton (F) | Ezekiel Whitman (F) | Barzillai Gannett (DR) | |||||||||||
| Charles Turner(DR) | Joseph Allen(F) | Abijah Bigelow (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) | ||||||||||
| Francis Carr(DR) | |||||||||||||||||
After the1810 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 ofMaine.
Following the1820 census, Massachusetts kept its remaining 13 seats without change.
| Congress | District | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) | Isaac C. Bates(NR) | Joseph Richardson(NR) | James L. Hodges(NR) | ||||||||||
| Benjamin Gorham(NR) | |||||||||||||
| 21st (1829–1831) | Joseph G. Kendall(NR) | George Grennell Jr.(NR) | |||||||||||
| 22nd (1831–1833) | Nathan Appleton(NR) | Rufus Choate(NR) | Jeremiah Nelson(NR) | George N. Briggs(NR) | Henry A. S. Dearborn(NR) | John Quincy Adams(NR) | |||||||
After the1830 census, Massachusetts lost one seat.
| Congress | District | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) |
| Stephen Philips(NR) | Levi Lincoln Jr.(NR) | |||||||||||
| 24th (1835–1837) | Abbott Lawrence(NR) | Caleb Cushing(NR) | Samuel Hoar(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) |
| Leverett Saltonstall I (W) | ||||||||||||
| 26th (1839–1841) | Abbott Lawrence(W) | James Alvord(W) | Henry Williams(D) | |||||||||
| Robert C. Winthrop(W) | Osmyn Baker(W) | |||||||||||
| 27th (1841–1843) | Nathaniel B. Borden(W) | Barker Burnell (W) | ||||||||||
| Nathan Appleton(W) | Charles Hudson(W) | |||||||||||
| Robert C. Winthrop(W) | ||||||||||||
After the1840 census, Massachusetts lost two seats.
| Congress | District | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 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) |
| Joseph Grinnell(W) | ||||||||||
| 29th (1845–1847) | Benjamin Thompson(W) | George Ashmun(W) | Artemas Hale(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) | ||||||
| Samuel A. Eliot(W) | ||||||||||
| 32nd (1851–1853) | William Appleton(W) | Robert Rantoul(D) | Benjamin Thompson(W) | George T. Davis(W) | John Z. Goodrich(W) | Zeno Scudder(W) | ||||
| Francis B. Fay(W) | Lorenzo Sabine(W) | Edward P. Little(D) | ||||||||
After the1850 census, Massachusetts gained one seat.
| Congress | District | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) |
| Thomas D. Eliot(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) |
| Daniel W. Gooch(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) | William Appleton(U) | Goldsmith Bailey(R) | |||||||||
| Benjamin Thomas(U) | Samuel Hooper(U) | Amasa Walker(R) | |||||||||
After the1860 census, Massachusetts lost one seat.
| Congress | District | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 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) | ||||||||||
| Nathaniel P. Banks(R) | ||||||||||
| 40th (1867–1869) | Ginery Twichell(R) | Benjamin Butler(R) | ||||||||
| 41st (1869–1871) | James Buffington (R) | George F. Hoar(R) | ||||||||
| George M. Brooks(R) | ||||||||||
| 42nd (1871–1873) | ||||||||||
| Constantine Esty(R) | Alvah Crocker(R) | |||||||||
After the1870 census, Massachusetts gained one seat.
| Congress | District | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) |
| Henry L. Pierce(R) | Charles Stevens(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) | ||||
| William W. Crapo(R) | Josiah Abbott(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) | ||
| Benjamin Dean(D) | |||||||||||
| 46th (1879–1881) | Walbridge Field(R) | Selwyn Z. Bowman(R) | William A. Russell(R) | ||||||||
| 47th (1881–1883) | Ambrose Ranney(R) | Eben F. Stone(R) | John W. Candler(R) | ||||||||
After the1880 census, Massachusetts gained one seat.
| Congress | District | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) |
| 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) | Henry Cabot Lodge(R) | William Cogswell(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) | Sherman Hoar(D) | Moses T. Stevens(D) | George F. Williams(D) | Frederick S. Coolidge(D) | John Crawford Crosby(D) | |||||||
After the1890 census, Massachusetts gained one seat.
| Congress | District | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 Emerson Barrett(R) | John F. Fitzgerald(D) | Harrison H. Atwood(R) | John Simpkins(R) | ||||||||
| William Henry Moody(R) | |||||||||||||
| 55th (1897–1899) | George W. Weymouth(R) | Samuel J. Barrows(R) | Charles F. Sprague(R) | William C. Lovering(R) | |||||||||
| George P. Lawrence(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) | ||||||||||
| Augustus P. Gardner(R) | |||||||||||||
After the1900 census, Massachusetts gained one seat.
| Congress | District | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) | ||||||||||||
| Charles G. Washburn(R) | ||||||||||||||
| 60th(1907–1909) | Joseph F. O'Connell(D) | Andrew J. Peters(D) | ||||||||||||
| 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) | |||||||||
After the1910 census, Massachusetts gained two seats. There was no reapportionment after the1920 census.
After the1930 census, Massachusetts lost one seat. After the1940 census, Massachusetts lost another seat. Massachusetts kept its apportionment following the1950 census.
After the1960 census, Massachusetts lost two seats. Massachusetts kept its apportionment after the1970 census.
| Congress | District | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) | ||||||||||||
| 90th (1967–1969) | Margaret Heckler(R) | |||||||||||
| 91st (1969–1971) | ||||||||||||
| Mike Harrington (D) | ||||||||||||
| 92nd (1971–1973) | Robert Drinan(D) | Louise Day Hicks(D) | ||||||||||
| vacant | ||||||||||||
| 93rd (1973–1975) | Harold Donohue(D) | Robert Drinan(D) | Paul W. Cronin(R) | Joe Moakley(D) | Gerry Studds(D) | |||||||
| vacant | ||||||||||||
| 94th (1975–1977) | Joseph Early(D) | Paul Tsongas(D) | ||||||||||
| 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) | |||||||||||
After the1980 census, Massachusetts lost one seat.
| Congress | District | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) | ||||||||||
| 100th(1987–1989) | Joseph P. Kennedy II (D) | ||||||||||
| 101st(1989–1991) | Richard Neal(D) | ||||||||||
| 102nd(1991–1993) | |||||||||||
| John Olver(D) | |||||||||||
After the1990 census, Massachusetts lost one seat. Massachusetts kept its apportionment after the2000 census.
| Congress | District | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 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) | ||||||||||
| 105th(1997–1999) | Jim McGovern (D) | John Tierney (D) | Bill Delahunt (D) | |||||||
| 106th(1999–2001) | Mike Capuano (D) | |||||||||
| 107th(2001–2003) | ||||||||||
| Stephen Lynch(D) | ||||||||||
| 108th(2003–2005) | ||||||||||
| 109th(2005–2007) | ||||||||||
| 110th(2007–2009) | ||||||||||
| Niki Tsongas (D) | ||||||||||
| 111th(2009–2011) | ||||||||||
| 112th(2011–2013) | Bill Keating(D) | |||||||||
After the2010 census, Massachusetts lost one seat. Massachusetts kept its apportionment after the2020 census.
| Congress | District | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 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) |
| Katherine Clark(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) | |||||||||
| 119th(2025–2027) | |||||||||
