List of American politicians who switched parties in office

The following American politicians switched parties while they were holding elected office.

Federal

House of Representatives

Name	State	District	Date of party switch	Congress	Old party	New party	Notes	Refs
Rodney Alexander	Louisiana	5th	August 9, 2004	108th	Democratic	Republican		[1]
Justin Amash	Michigan	3rd	July 4, 2019	116th	Republican	Independent		[2]
			May 1, 2020		Independent	Libertarian		[3]
Eugene Atkinson	Pennsylvania	25th	October 14, 1981	97th	Democratic	Republican	Lost re-election in 1982 after being redistricted to the 4th district.	[4]
William Carney	New York	1st	October 7, 1985	99th	Conservative	Republican
Nathan Deal	Georgia	9th	April 11, 1995	104th	Democratic	Republican		[5]
Jo Ann Emerson	Missouri	8th	January 3, 1997	105th	Republican	Independent	Emerson was re-elected to a full term as an independent after running under that designation to comply with Missouri's electoral law.
			January 8, 1997		Independent	Republican
Michael Forbes	New York	1st	July 17, 1999	106th	Republican	Democratic		[6]
Virgil Goode	Virginia	5th	January 24, 2000	106th	Democratic	Independent	Caucused with the Republican Party.	[7] [8]
			August 1, 2002	107th	Independent	Republican		[9]
Phil Gramm	Texas	6th	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.
James W. Grant	Florida	2nd	February 21, 1989	101st	Democratic	Republican		[10]
Parker Griffith	Alabama	5th	December 22, 2009	111th	Democratic	Republican	Later rejoined the Democratic party.	[11]
Galusha A. Grow	Pennsylvania	14th	1856	34th	Democratic	Republican		[12]
Ralph Hall	Texas	4th	January 2004	108th	Democratic	Republican		[13]
Jimmy Hayes	Louisiana	7th	December 1, 1995	104th	Democratic	Republican
Andy Ireland	Florida	10th	July 5, 1984	98th	Democratic	Republican	Announced the switch on March 17, 1984, but didn't officially make it until July 5 in order to keep his Democratic committee assignments for as long as possible.	[14] [15]
John Jarman	Oklahoma	5th	January 24, 1975	94th	Democratic	Republican		[16]
Greg Laughlin	Texas	14th	June 26, 1995	104th	Democratic	Republican		[17]
Matthew G. Martínez	California	31st	July 27, 2000	106th	Democratic	Republican	Switched parties after losing the Democratic primary for re-election	[18]
Paul Mitchell	Michigan	10th	December 14, 2020	116th	Republican	Independent	Switched parties during the lame duck session, three weeks before his retirement.	[19]
Michael Parker	Mississippi	4th	November 10, 1995	104th	Democratic	Republican
Ogden Reid	New York	26th	March 22, 1972	92nd	Republican	Democratic		[20]
Donald Riegle	Michigan	7th	1973	93rd	Republican	Democratic		[21]
Tommy F. Robinson	Arkansas	2nd	July 28, 1989	101st	Democratic	Republican		[22]
Franklin D. Roosevelt Jr.	New York	20th	January 3, 1951	82nd	Liberal	Democratic	Roosevelt was re-elected as a Democrat.
Bob Stump	Arizona	3rd	September 24, 1981	98th	Democratic	Republican	Did not officially change party until the 1982 election for a term beginning January 3, 1983.	[23] [24]
Billy Tauzin	Louisiana	3rd	August 8, 1995	104th	Democratic	Republican		[25]
Jeff Van Drew	New Jersey	2nd	January 7, 2020	116th	Democratic	Republican		[26]
Albert Watson	South Carolina	2nd	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.
Hendrick Bradley Wright	Pennsylvania	12th	1879	46th	Democratic	Greenback

Senate

Name	State	Date of party switch	Congress	Old party	New party	Notes	Refs
James L. Buckley	New York	1976	94th	Conservative	Republican
Ben Nighthorse Campbell	Colorado	March 4, 1995	104th	Democratic	Republican		[27]
Reuben Fenton	New York	1872	42nd	Republican	Liberal Republican	The Liberal Republican Party was new and short-lived. Did not seek re-election in the 1874 and 1875 United States Senate elections.	[28]
		1873	43rd	Liberal Republican	Republican
Jim Jeffords	Vermont	May 24, 2001	107th	Republican	Independent	Caucused with the Democrats after becoming an independent, giving Democrats a majority in the US Senate. His switch became the only time in US history that a party switch resulted in a change of party control of the Senate.	[29] [30]
Robert M. La Follette Jr.	Wisconsin	May 1934	74th	Republican	Wisconsin Progressive	Co-founded the Wisconsin Progressive Party and was re-elected to Senate on that ticket in 1934 and 1940.	[31]
		1946	79th	Wisconsin Progressive	Republican	The Wisconsin Progressive Party was dissolved in 1946. Lost re-election to the Senate when defeated by Joseph McCarthy in the Republican primary later that same year.	[32]
Joe Lieberman	Connecticut	2006/2007 (see note)	110th	Democratic	Independent	Liberman left the Democratic Party after losing the Democratic primary for re-election. Technically, he ran under the party named Connecticut for Lieberman but he himself never officially joined that party. He called himself an Independent Democrat after winning re-election.	[33] [34]
Richard Shelby	Alabama	November 9, 1994	103rd	Democratic	Republican	Switch announced the day after the 1994 United States Senate elections, in which Shelby was not up for reelection, but the Republicans gained the majority in the Senate.	[35]
Kyrsten Sinema	Arizona	December 9, 2022	118th	Democratic	Independent		[36]
Bob Smith	New Hampshire	July 1999	106th	Republican	Independent		[37]
		November 1999		Independent	Republican
Arlen Specter	Pennsylvania	April 28, 2009	111th	Republican	Democratic		[38]
Strom Thurmond	South Carolina	September 16, 1964	88th	Democratic	Republican		[39]
Lyman Trumbull	Illinois	1871	42nd	Republican	Liberal Republican	The Liberal Republican Party was new and short-lived. Lost re-election in the 1872–73 United States Senate elections to the Republican candidate.

Other

Name	Office	Date of party switch	Old party	New party	Notes	Refs

State

Name	Office	Date of party switch	Old party	New party	Notes	Refs
Max Abramson	Member of the New Hampshire House of Representatives from the Rockingham-20 district	May 2016	Republican	Libertarian	Left office to run for Governor of New Hampshire in 2016 as a Libertarian. Was re-elected to the New Hampshire House in 2018 as a Republican.	[40]
		June 28, 2019	Republican	Independent	Became an independent as he campaigned to be the nominee for President of the United States in 2020 of the Libertarian Party, the Veterans Party, and the Reform Party. Was elected to a seat in a different district in the New Hampshire House in 2020 as a Republican.	[41]
Roy Daryl Adams	Member of the Louisiana House of Representatives from the 62nd district	April 27, 2023	Independent	Democratic		[42]
Dawn Addiego	Member of the New Jersey Senate from the 8th district	January 28, 2019	Republican	Democratic		[43]
Robert Adley	Member of the Louisiana Senate from the 36th district	December 10, 2007	Democratic	Republican	Switched parties after the 2007 Louisiana elections to align with incoming governor Bobby Jindal.	[44] [45]
Scott Angelle	Lieutenant Governor of Louisiana	October 26, 2010	Democratic	Republican	Appointed by Republican Bobby Jindal to serve until the conclusion of the 2010 special election to replace Mitch Landrieu, who had been elected Mayor of New Orleans. Previously served as Louisiana Secretary of Natural Resources, appointed by Democrat Kathleen Blanco. Re-appointed by Jindal to that position following the election.	[46]
Bill Archer	Member of the Texas House of Representatives from the 22nd district, 5th seat	December 7, 1967	Democratic	Republican		[47] [48]
Karen Awana	Member of the Hawaii House of Representatives from the 44th district	December 19, 2007	Republican	Democratic		[49]
Richard Baker	Member of the Louisiana House of Representatives from East Baton Rouge Parish	May 31, 1985	Democratic	Republican		[50]
Robert Barham	Louisiana State Senator from the 33rd district	February 9, 2001	Democratic	Republican	Announced after a visit to the White House following an invitation from President George W. Bush.	[51]
Taylor Barras	Member of the Louisiana House of Representatives from Iberia Parish	August 12, 2011	Democratic	Republican		[52]
Eli Bebout	Member of the Wyoming House of Representatives from the 55th district	April 26, 1994	Democratic	Republican		[53]
Walter Boasso	Member of the Louisiana Senate from the 1st district	April 26, 2007	Republican	Democratic
Audie Bock	Member of the California State Assembly from the 16th district	1999	Green	No party preference
Barbara Bollier	Member of the Kansas Senate from the 7th district	December 12, 2018	Republican	Democratic		[54]
Mike Bowers	Attorney General of Georgia	1994	Democratic	Republican
Michael Don Brandenburg	Member of the North Dakota House of Representatives from the 28th district	October 2, 1994	Democratic	Republican		[55]
Nickey Browning	Member of the Mississippi State Senate from the 3rd district	March 27, 2013	Democratic	Republican		[56]
Buddy Caldwell	Attorney General of Louisiana	2011	Democratic	Republican		[57]
Sonny Callahan	Member of the Alabama Senate	January 30, 1984	Democratic	Republican		[58]
Charles T. Canady	Member of the Florida House of Representatives from the 44th district	June 1999	Democratic	Republican
Videt Carmichael	Member of the Mississippi State Senate from the 33rd district	May 2002	Democratic	Republican		[59]
Lincoln Chafee	Governor of Rhode Island	May 30, 2013	Independent	Democratic	Previously served in the U.S. Senate (1999-2007) as a Republican before becoming an Independent.	[60]
Stephanie Clayton	Member of the Kansas House of Representatives from the 19th district	December 19, 2018	Republican	Democratic		[61]
Matthew Coker	Member of the New Hampshire House of Representatives from the Belknap-2 district	February 8, 2024	Democratic	Republican		[62]
Linda Collins	Member of the Arkansas House of Representatives from the 61st district	August 2011	Democratic	Republican		[63]
Tricia Cotham	Member of the North Carolina House of Representatives from the 112th district	April 5, 2023	Democratic	Republican	Switched parties after receiving backlash for missing a vote on an assault weapons ban.	[64]
Charlie Crist	Governor of Florida	May 13, 2010	Republican	Independent	Later elected to congress as a Democrat.	[65]
William Daniel	Member of the Louisiana House of Representatives from East Baton Rouge Parish	2005	Democratic	Republican
Hunt Downer	Member of the Louisiana House of Representatives from Terrebonne and Lafourche Parishes	February 9, 2001	Democratic	Republican	Announced after a visit to the White House following an invitation from President George W. Bush.	[66]
Aubrey Dunn Jr.	New Mexico Commissioner of Public Lands	January 2018	Republican	Libertarian		[67]
Noble Ellington	Member of the Louisiana House of Representatives	2010	Democratic	Republican		[68]
Kirk England	Member of the Texas House of Representatives from the 106th district	September 20, 2007	Republican	Democratic		[69]
Bernard Erickson	Member of the Texas House of Representatives from the 58th district	December 31, 1993	Republican	Democratic		[70]
Ryan Ferns	Member of the West Virginia House of Delegates from the 3rd district	November 2013	Democratic	Republican
Shaun Filiault	Member of the New Hampshire House of Representatives from the Cheshire-7 district	June 7, 2023	Democratic	Independent		[71]
Beth Fukumoto	Member of the Hawaii House of Representatives from the 36th district	2017	Republican	Democratic		[72]
Mike Gabbard	Member of the Hawaii Senate from the 19th district	August 30, 2007	Republican	Democratic		[73]
Avel Gordly	Member of the Oregon Senate from the 23rd district	2006	Democratic	Independent		[74]
Mark Grisanti	Member of the New York Senate from the 60th district	2011	Democratic	Republican
Henry Grover	Member of the Texas House of Representatives from the 23rd district	February 3, 1966	Democratic	Republican		[75]
Elbert Guillory	Member of the Louisiana Senate from the 24th district	May 31, 2013	Democratic	Republican		[76]
Ryan Guillen	Member of the Texas House of Representatives from the 31st district	November 15, 2021	Democratic	Republican		[77]
Barbara Hafer	Treasurer of Pennsylvania	2003	Republican	Democratic		[78]
Bob Hanner	Member of the Georgia House of Representatives	2010	Democratic	Republican		[79]
Jim Hendren	Member of the Arkansas Senate from the 2nd district	February 18, 2021	Republican	Independent	Left the Republican Party following the January 6, 2021, U.S. Capitol attack.	[80]
Michelle Henry	Attorney General of Pennsylvania	March 2023	Republican	Democratic	Joined the Democratic Party after succeeding Josh Shapiro as Attorney General.	[81]
Joy Hofmeister	Oklahoma Superintendent of Public Instruction	October 7, 2021	Republican	Democratic	Switched after announcing her intention to challenge to Republican Governor Kevin Stitt in the 2022 election.	[82]
Chuck Hopson	Member of the Texas House of Representatives from the 11th district	November 6, 2009	Democratic	Republican		[83]
Eric Hutchings	Member of the Utah House of Representatives from the 38th district	2001	Democratic	Republican		[84]
Cindy Hyde-Smith	Member of the Mississippi Senate from the 39th district	December 28, 2010	Democratic	Republican	Later appointed and elected to the U.S. Senate as a Republican.	[85]
Dan Hynes	Member of the New Hampshire House of Representatives from the Hillsborough-2 district	June 13, 2023	Republican	Independent		[86]
Virginia Isbell	Member of the Hawaii House of Representatives from the 5th district	December 23, 1987	Republican	Democratic		[87]
Mike Jacobs	Member of the Georgia House of Representatives from the 80th district	June 19, 2007	Democratic	Republican
Glenn Jeffries	Member of the West Virginia Senate from the 8th district	December 1, 2022	Democratic	Republican		[88]
Evan Jenkins	Member of the West Virginia Senate from the 5th district	July 2013	Democratic	Republican		[89]
Woody Jenkins	Member of the Louisiana House of Representatives from East Baton Rouge Parish	1994	Democratic	Republican
Aaron Ling Johanson	Member of the Hawaii House of Representatives from the 31st district	December 29, 2014	Republican	Democratic		[90]
Dean Johnson	Minnesota State Senator	2000	Republican	DFL		[91]
Jim Justice	Governor of West Virginia	2017	Democratic	Republican	Justice had previously been a Republican until switching to the Democratic Party in 2015 to run for Governor of West Virginia. [92]	[93]
John Kennedy	Treasurer of Louisiana	August 27, 2007	Democratic	Republican	Later elected to the U.S. Senate as a Republican.	[94]
Bob Krist	Member of the Nebraska Legislature from the 10th district	February 2018	Republican	Democratic		[95]
Jeremy LaCombe	Member of the Louisiana House of Representatives from the 18th district	April 10, 2023	Democratic	Republican		[96]
Steve Lebsock	Member of the Colorado House of Representatives from the 34th district	March 2, 2018	Democratic	Republican	Changed party affiliation prior to expulsion from the Colorado House of Representatives due to allegations of sexual harassment.	[97]
Jan Lee	Member of the Oregon House of Representatives from the 10th district	June 2001	Republican	Independent		[98]
		2001	Independent	Democratic
J. M. Lozano	Member of the Texas House of Representatives from the 43rd district	March 8, 2012	Democratic	Republican		[99]
Mesha Mainor	Member of the Georgia House of Representatives from the 56th district	July 11, 2023	Democratic	Republican	Switched parties after receiving backlash for being the only Democrat to vote for a school voucher bill.	[100]
Kevin Mannix	Member of the Oregon House of Representatives from the 32nd district	1997	Democratic	Republican
Chad Mayes	Member of the California State Assembly from the 42nd district	December 6, 2019	Republican	Independent		[101]
Andy McKean	Member of the Iowa House of Representatives from the 58th district	April 2019	Republican	Democratic		[102]
Stanford Morse	Member of the Mississippi State Senate from Harrison and Stone Counties	March 27, 1963	Democratic	Republican		[103]
Robert R. Neall	Member of the Maryland State Senate from the 33rd district	November 12, 1999	Republican	Democratic	Later re-joined the Republican Party.
Howard Oda	Member of the Hawaii House of Representatives from the 22nd district	November 7, 1975	Republican	Democratic		[104]
Marshall Parker	Member of the South Carolina Senate from Oconee County	March 9, 1966	Democratic	Republican		[105]
Aaron Peña	Member of the Texas House of Representatives from the 40th district	December 14, 2010	Democratic	Republican		[106]
Sonny Perdue	Member of the Georgia State Senate from the 18th district	1998	Democratic	Republican	Later elected Governor of Georgia.	[107]
Maria Perez	Member of the New Hampshire House of Representatives from the Hillsborough-43 district	October 2, 2023	Democratic	Independent		[108]
Rick Perry	Member of the Texas House of Representatives from the 64th district	September 29, 1989	Democratic	Republican	Later elected Governor of Texas.	[109]
Rupie Phillips	Member of the West Virginia House of Delegates from the 24th district	January 26, 2017	Democratic	Republican
Kevin Priola	Member of the Colorado Senate from the 25th district	August 22, 2022	Republican	Democratic	Switched parties after expressing concern about the Republican embrace of 2020 election conspiracies.	[110]
Elliott Pritt	Member of the West Virginia House of Delegates from the 50th district	April 17, 2023	Democratic	Republican		[111]
Allan Ritter	Member of the Texas House of Representatives from the 21st district	December 14, 2010	Democratic	Republican		[112]
Joel Robideaux	Member of the Louisiana House of Representatives from Lafayette Parish	2011	Independent	Republican
Shane Robinson	Member of the Maryland House of Delegates from the 39th district	November 21, 2018	Democratic	Green
Buddy Roemer	Governor of Louisiana	March 1991	Democratic	Republican
Thomas M. Salmon	Vermont Auditor of Accounts	2009	Democratic	Republican		[113]
Jarrod Sammis	Member of the Vermont House of Representatives from the Rutland-3 district	May 3, 2023	Republican	Libertarian		[114]
Meagan C. Simonaire	Member of the Maryland House of Delegates from District 31B	October 15, 2018	Republican	Democratic
J. Roland Smith	Member of the South Carolina House of Representatives from the 84th district	August 18, 1993	Democratic	Republican		[115] [116]
Mike Spano	Member of the New York State Assembly	2007	Republican	Democratic
Floyd Spence	Member of the South Carolina House of Representatives from Lexington County	April 14, 1962	Democratic	Republican		[117]
Chris Steineger	Member of the Kansas Senate from the 6th district	2010	Democratic	Republican
Dale Swenson	Member of the Kansas House of Representatives from the 97th district	2008	Republican	Democratic
Dinah Sykes	Member of the Kansas Senate from the 21st district	December 2018	Republican	Democratic		[118]
Johnny Tadlock	Member of the Oklahoma House of Representatives from the 1st district	2018	Democratic	Republican		[119]
Francis C. Thompson	Member of the Louisiana House of Representatives from the 19th district	March 17, 2023	Democratic	Republican		[120]
Samuel D. Thompson	Member of the New Jersey Senate from the 12th district	February 13, 2023	Republican	Democratic	Switched parties after Republicans supported his primary challenger.	[121]
Gray Tollison	Member of the Mississippi Senate from the 9th district	November 11, 2011	Democratic	Republican
Amy Tuck	Lieutenant Governor of Mississippi	2002	Democratic	Republican		[122]
Wanda Vázquez Garced	Governor of Puerto Rico	2019	Democratic	Republican		[123] [124] [125]
Jesse Ventura	Governor of Minnesota	2000	Reform	Independence
Christine Watkins	Member of the Utah House of Representatives from the 69th district	December 2012	Democratic	Republican		[126]
Kent Williams	Member of the Tennessee House of Representatives from the 4th district	February 9, 2009	Republican	Independent	Expelled by Tennessee Republican Party.
Kate Witek	Nebraska Auditor of Public Accounts	August 2006	Republican	Democratic
Ernest Wooton	Member of the Louisiana House of Representatives from Jefferson, Plaquemines, St. Charles Parishes	2005	Democratic	Republican

Local

Name	Office	Date of party switch	Old party	New party	Notes	Refs
Michael Bloomberg	Mayor of New York City	2007	Republican	Independent	Later ran for president in the 2020 presidential election as a Democrat.
Norm Coleman	Mayor of St. Paul	1996	DFL	Republican		[127]
Kim Davis	Clerk of Rowan County, Kentucky	2015	Democratic	Republican		[128]
Matt Gonzalez	Member of the San Francisco Board of Supervisors from District 5	November 2000	Democratic	Green		[129]
Eric Johnson	Mayor of Dallas	September 22, 2023	Democratic	Republican		[130]
Ari Kagan	Member of the New York City Council from the 47th district	November 2022	Democratic	Republican	Cited the city’s criminal reforms and rising crime as the main reasons he was switching parties.	[131]
John Lindsay	Mayor of New York City	1971	Republican	Democratic		[132]
Bob Martinez	Mayor of Tampa	1983	Democratic	Republican		[133]
Kymberly Pine	Member of the Honolulu City Council from the 1st district	November 9, 2016	Republican	Democratic		[134]
Rick Sheehy	Mayor of Hastings, Nebraska	2003	Democratic	Republican
David Tubiolo	Member of the Westchester County Board of Legislators from the 14th district	February 7, 2020	Republican	Democratic		[135]

See also

• List of Canadian politicians who have crossed the floor
• List of elected British politicians who have changed party affiliation
• List of party switchers in the United States
• List of United States representatives who switched parties
• List of United States senators who switched parties
• Party switching in the United States
• Waka-jumping

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