U.S. Senate elections in Massachusetts
Elections won
R 12 · D 2840 Senate elections since 1916
Last decided by
19.3 pts2024, Elizabeth Ann Warren over John Deaton
Closest ever
0.84 pts1920, Henry C. Lodge over William A. Gatson
Longest streak
17 in a rowDemocratic, 1976–2024
Next election
2026Tuesday, November 3, 2026
Massachusetts's U.S. Senate seats are held by Democrat Elizabeth Ann Warren and Democrat Edward J. Markey; Warren won the most recent race by 19.3 points in 2024. Warren has held one seat since 2012 and Markey the other since 2014. The 2024 race put Warren ahead of John Deaton, 19.3 points clear. Across 40 elections since 1916, Republicans have won 12 and Democrats 28. Of those, the closest was 1920, decided by 0.84 points; the widest 2000, by 56.9 points.
Elizabeth Ann Warren D 2,041,668 · John Deaton R 1,365,440
Edward J. Markey D 1,289,944 · Brian J. Herr R 791,950
Elizabeth Ann Warren D 1,696,346 · Scott P. Brown R 1,458,048
Edward M. Kennedy D 1,500,738 · Kenneth G. Chase R 661,532
John Kerry D 1,605,976 · Michael E. Cloud L 369,807
Edward M. Kennedy D 1,889,494 · Jack E. Robinson III R 334,341 · Carla A. Howell L 308,860 · Philip F. Lawler C 42,113 · +2 more
John Kerry D 1,334,135 · Bill Weld R 1,143,120 · Susan C. Gallagher C 70,007 · Robert C. Stowe N 7,169
Edward M. Kennedy D 1,265,997 · Mitt Romney R 894,000 · Lauraleigh Dozier L 14,484 · William A. Ferguson Jr. L 4,776
John Kerry D 1,321,712 · Jim Rappaport R 992,917
Edward M. Kennedy D 1,693,344 · Joseph D. Malone R 884,267 · Mary Fridley N 15,208 · Freda Lee Nason L 13,199
John Kerry D 1,393,150 · Raymond Shamie R 1,136,913
Paul E. Tsongas D 1,093,283 · Edward W. Brooke R 890,584
Edward M. Kennedy D 1,726,657 · Michael S. Robertson R 722,641 · Carol Henderson Evans S 26,283 · H. Graham Lowry U 15,517
Edward M. Kennedy D 1,202,856 · Josiah A. Spaulding R 715,978 · Lawrence M. Gilfedder S 10,378 · Mark R. Shaw P 5,944
Edward W. Brooke R 1,213,473 · Endicott Peabody D 774,761 · Lawrence M. Gilfedder S 6,790 · Mark R. Shaw P 4,833
Edward M. Kennedy D 1,716,907 · Howard Whitmore R 587,663 · Lawrence M. Gilfedder S 4,745 · Grace F. Luder P 2,700
Edward M. Kennedy D 1,162,611 · George C. Lodge R 877,668
Leverett Saltonstall R 1,358,556 · Thomas J. O'Connor D 1,050,725 · Lawrence M. Gilfedder S 5,735 · Mark R. Shaw P 2,794
John F. Kennedy D 1,362,926 · Vincent J. Celeste R 488,318 · Lawrence M. Gilfedder S 5,457 · Mark R. Shaw P 5,335
Leverett Saltonstall R 956,605 · Foster Furcolo D 927,899 · Thelma Ingersoll S 5,353 · Harold J. Ireland P 2,832
John F. Kennedy D 1,211,984 · Henry Cabot Lodge Jr. R 1,141,247 · Thelma Ingersoll S 4,683 · Mark R. Shaw P 2,508
Leverett Saltonstall R 1,088,475 · John F. Fitzgerald D 954,398 · Henning A. Blomen S 9,266 · E. Tallmadge Root P 3,652
Henry Cabot Lodge Jr. R 989,736 · David I. Walsh D 660,200 · Henning A. Blomen S 9,221 · Mark R. Shaw P 2,898
Leverett Saltonstall R 1,228,754 · John H. Corcoran D 667,086
Henry Cabot Lodge Jr. R 721,239 · Joseph E. Casey D 641,042 · George L. Paine S 4,802 · Horace I. Hillis S 4,781 · +1 more
David I. Walsh D 1,088,838 · Henry Parkman R 838,122 · George L. Thompson P 9,632 · Philip Frankfeld C 9,465 · +2 more
Henry Cabot Lodge Jr. R 875,160 · James M. Curley D 739,751 · Thomas C. O'Brien U 134,245 · Alonzo B. Cook T 11,519 · +6 more
David I. Walsh D 852,776 · Robert M. Washburn R 536,692 · Albert S. Coolidge S 22,092 · Barnard Smith P 10,363 · +2 more
Marcus A. Coolidge D 651,939 · William M. Butler R 539,226 · Sylvester J. McBride S 7,244 · Oscar Kinsalas S 4,640 · +1 more
David I. Walsh D 818,055 · Benjamin L. Young R 693,563 · Alfred B. Lewis S 7,675 · John J. Ballam W 5,621
David I. Walsh D 525,303 · William M. Butler R 469,989
Henry C. Lodge R 414,130 · William A. Gatson D 406,776 · John A. Nicholls P 24,866 · John W. Sherman S 11,678 · +2 more