List of United States Representatives who switched parties

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The following are members of the United States House of Representatives who switched parties while serving in Congress.

RepresentativeStateDistrictDateCongressOld partyNew partyNotes
Galusha A. Grow Pennsylvania 14th February–June 1856 34th Democratic Republican He switched parties in the wake of President Pierce's signing of the Kansas–Nebraska Act.
Franklin D. Roosevelt Jr. New York 20th January 3, 1951 82nd Liberal Democratic Roosevelt was re-elected as a Democrat.
Albert Watson South Carolina 2nd February–June 1965 90th Democratic Republican Watson resigned his seat as a Democrat on February 1, 1965, and then won a special election as a Republican on June 15, 1965.
Ogden Reid New York 26th March 22, 1972 92nd Republican Democratic
Donald W. Riegle Michigan 7th February 27, 1973 93rd Republican Democratic
John Jarman Oklahoma 5th January 24, 1975 94th Democratic Republican
Eugene Atkinson Pennsylvania 25th October 14, 1981 97th Democratic Republican
Bob Stump Arizona 3rd July 1982 97th Democratic Republican
Phil Gramm Texas 6th January/February 1983 98th Democratic Republican Gramm resigned his seat as a Democrat on January 5, 1983, and then won a special election as a Republican on February 12, 1983.
Andy Ireland Florida 10th July 5, 1984 98th Democratic Republican
William Carney New York 1st October 7, 1985 99th Conservative Republican
James W. Grant Florida 2nd February 21, 1989 101st Democratic Republican
Tommy F. Robinson Arkansas 2nd July 28, 1989 101st Democratic Republican
Nathan Deal Georgia 9th April 10, 1995 104th Democratic Republican
Greg Laughlin Texas 14th June 26, 1995 104th Democratic Republican
Billy Tauzin Louisiana 3rd August 8, 1995 104th Democratic Republican
Michael Parker Mississippi 4th November 10, 1995 104th Democratic Republican
Jo Ann Emerson Missouri 8th January 3, 1997 105th Republican IndependentEmerson was re-elected to a full term as an independent after running under that designation to comply with Missouri's electoral law.
January 8, 1997Independent Republican
Michael Forbes New York 1st July 17, 1999 106th Republican Democratic
Virgil Goode Virginia 5th January 27, 2000 106th Democratic Independent
Matthew G. Martinez California 31st July 27, 2000 106th Democratic Republican
Virgil Goode Virginia 5th August 1, 2002 107th Independent Republican
Ralph Hall Texas 4thJanuary 5, 2004 108th Democratic Republican
Rodney Alexander Louisiana 5thAugust 9, 2004 108th Democratic Republican
Parker Griffith Alabama 5thDecember 22, 2009 111th Democratic Republican
Justin Amash Michigan 3rd July 4, 2019 116th Republican Libertarian Amash became an Independent on July 4, 2019, and then a Libertarian on April 29, 2020. [1]
Jeff Van Drew New Jersey 2nd December 19, 2019 116th Democratic Republican Van Drew switched parties in the wake of the 2019 impeachment trial, which he was not in favor of.
Paul Mitchell Michigan 10th December 14, 2020 116th Republican Independent

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  1. Welch, Matt (29 April 2020). "Justin Amash Becomes the First Libertarian Member of Congress". Retrieved 25 May 2020.