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State legislators who have switched political party affiliation
The data on this page may not be complete or accurate. We are working to resolve the issue as soon as possible. If you would like to help our coverage grow, consider donating to Ballotpedia.
This page displays the state legislators who at some point in their career have switched their political party affiliation. The list is a work-in-progress and is not comprehensive. The page will be continually updated to track as many of these switches as possible.
As of September 2025, Ballotpedia staff have counted 193 state legislators who have switched parties since 1994. Ballotpedia has counted 54 state senators who have switched parties and 139 state representatives.
Number of state lawmakers who switched from Democrat to Republican: 92
- State senators: 27
- State representatives: 65
Number of state lawmakers who switched from Republican to Democrat: 26
- State senators: 8
- State representatives: 18
This information is not comprehensive. If you are aware of any instances we have missed, please email us at editor@ballotpedia.org.
Number of party switches by state
- AK: +1 Undeclared
- AL: +7 Republicans, +1 Democrat, +1 Independent
- AR: +3 Republicans, +1 Democrat, +1 Independent
- AZ: +1 Republican
- CA: + 2 Republican, +2 Independent, +1 Democrat
- CO: +1 Independent, +1 Democrat
- CT: +1 Democrat
- FL: +1 Republican, +1 Democrat
- GA: +13 Republicans, +1 Democrat, +1 Independent
- HI: +3 Democrats
- IA: +1 Republican, +1 Democrat, +1 Independent
- KS: +2 Republicans, +2 Independent, +4 Democrats
- KY: +4 Republicans, +2 Democrats
- LA: +15 Republicans +1 Independent, +1 Democrat
- MA: +2 Independents
- ME: +1 Democrat, +2 Republican, +5 Independent, +1 Green, +1 Libertarian
- MI: +1 Independent
- MN: +3 Independents
- MO: +1 Democrat, +1 Republican, +1 Independent
- MS: +15 Republicans, +5 Independent
- NC: +3 Republican
- NE: +1 Republican, +1 Libertarian, +1 Independent, +1 Democrat, +1 nonpartisan
- NH: +3 Republicans, +3 Libertarians, +2 Democrat, +2 Independent, +1 no party affiliation
- NJ: +2 Democrat
- NM: +3 Independent, +1 Democrat
- NV: +1 Libertarian
- NY: +2 Democrats, +1 Independent
- OK: +1 Republican
- OR: +2 Independent, +1 Democrat
- PA: +1 Independent
- RI: +2 Republicans
- SC: +1 Republican, +1 Independent
- SD: +2 Republican
- TN: +1 Republican
- TX: +6 Republicans
- UT: +1 Libertarian, +1 Forward Party
- VT: +2 Democrat, +1 Libertarian, +1 Independent
- WA: +1 Democrat
- WI: +1 Independent
- WV: +7 Republicans, +1 Democrat,+1 Independent
- WY: +1 Republican, +1 Independent
- In Kansas, State Rep. Aaron Coleman accounts for two party switches. Coleman briefly left the Democratic Party in January 2021.[1][2]
- In Maine, State Rep. John Andrews accounts for two party switches. Andrews left the Republican Party in December 2020 to register as a Libertarian, and he switched his affiliation back to Republican in December 2021.[3]
- In Louisiana, State Rep. Malinda White accounts for two party switches. In 2021. White left the Democratic Party and would become an independent, and in 2022, she joined the Republican Party[4][5] [6]
- In Nebraska, State. Sen. Bob Krist accounts for two party switches. In 2017, Krist left the Republican Party to run in the 2018 governor's race as a minor party candidate. In 2018, Krist joined the Democratic Party.[7][8]
Party switch by chamber and year
Note: The office listed next to the lawmaker shows the current office or last office of the lawmaker and may not reflect the office that the legislator held at the time of the party switch.
Senate
Democrats who switched to Republican
- Cindy Hyde-Smith
- Carlyle Begay
- Daniel Hall (West Virginia Senator)
- Evan Jenkins
- Tommy Gollott
- Chris Steineger
- Eldon Nygaard
- Gray Tollison
- Jack Hill
- Jerry L. Fielding
- Jody Amedee
- John R. Smith (Louisiana)
- John Alario
- Nickey Browning
- Norby Chabert
- Robert Adley
- Rusty Crowe
- Tim Golden
- Ezell Lee
- Bob Leeper
- Dan Seum
- Glenn Jeffries
- Jimmy Holley
- Mike McDonnell
- Marie Alvarado-Gil
- Robin Webb
- Nolan Mettetal
Republicans who switched to Democratic
- Chris Koster
- Mike Gabbard
- Beth Fukumoto
- Barbara Bollier
- Dinah Sykes
- Dawn Addiego
- Kevin Priola
- Samuel Thompson (New Jersey)
Democrats who switched to Libertarians
No officials have been added to this category.
Republicans who switched to Libertarians
Independent who switched to Democratic
Independent who switched to Republican
Democrats who switched to Independent
Republicans who switched to Independent
- David Johnson (Iowa Senate)
- Bob Krist
- John Doll (Kansas)
- Jim Hendren
- Ervin Yen
- Harri Anne Smith
- Brian Boquist
Libertarians who switched to Democratic
No officials have been added to this category.
Libertarians who switched to Republican
No officials have been added to this category.
Senators who switched to minor parties
House
Democrats who switched to Republican
- Randall Patterson
- Donnie Bell
- Linda Black (Missouri)
- Mike Holcomb
- Jim Gooch Jr.
- Denver "Denny" Butler
- Mariellen MacKay
- Robert Theberge
- Mike Jacobs (Georgia)
- Janice Pauls
- Karen MacBeth
- Alan Harper
- Allan Ritter
- Bob Hanner
- Bubber Epps
- Dennis Moss (South Carolina)
- Eli Bebout
- Gerald Greene
- Jody Steverson
- Joe Jett
- Michael Willette
- Mike Cheokas
- Ryan Ferns
- Aaron Peña
- Alan Boothe
- Alan Powell
- Amy Carter (Georgia)
- Bobby Shows
- Chuck Hopson
- Dan Morrish
- Dawn Pettengill
- Doug McKillip
- Ellis Black
- Fred Mills Jr.
- James Fannin
- Jason White (Mississippi)
- Jeff Smith (Mississippi)
- Lesley Vance
- Linda Collins-Smith
- Mickey Channell
- Mike Millican
- Simone Champagne
- Steve Hurst
- Taylor Barras
- Walker Hines
- William Brisson
- J.M. Lozano
- Johnny Tadlock
- Nick Bain
- Jason Barrett (West Virginia)
- Vernon Jones
- Mick Bates
- Ryan Guillen
- Jon Lancaster
- Francis Thompson
- Tricia Cotham
- Jeremy LaCombe
- David Pritt
- Mesha Mainor
- Matt Coker
- Shawn Thierry
- Sherry Gould
- Alec Brook-Krasny
- Susan Valdes
- Hillary Cassel
Republicans who switched to Democrats
- John Ceretto
- Rodney Tom
- Daniel H. Boman
- Diana Urban
- Karen Leinani Awana
- Kathy Ashe
- Melvin Henley
- Mike Spano
- Richard Carroll
- Wade Hurt
- Stephanie Clayton
- Brian Maienschein
- Andy McKean
- William Marsh
- Herbert Richardson
- Patrick Hogan
- Joseph de Soto
- Cyrus Javadi
Democrats who switched to Libertarians
Republicans who switched to Libertarians
Independent who switched to Democrats
Independents who switched to Republican
Independents who switched to Green
Democrats who switched to Independent
- Robert Ziegelbauer
- Andrew Nunez
- Keith English
- John Olumba
- Juan Arambula
- Denise Harlow
- Martin Grohman
- Solomon Goldstein-Rose
- Jim Roscoe
- Bryce E. Edgmon
- Steve Holland (Mississippi)
- Angela Cockerham
- John Yudichak
- S. Marshall Wilson (West Virginia)
- Valencia Stovall
- Aaron Coleman
- Michael Evans (Mississippi)
- Kevin Horan (Mississippi)
- Malinda White
- John Thompson (Minnesota)
- Ellen Read
- Shanda Yates
- John Windle
- Tony Labranche
Republicans who switched to Independent
- Fred Thiele
- Kevin Battle
- Susannah Whipps
- Norman Higgins
- Donald Marean
- Chad Mayes
- Phelps Anderson
- Charlie Conrad
- Aidan K. Ankarberg
- Dan Hynes (New Hampshire)
Republicans who switched to Independent Party of Oregon
Libertarians who switched to Democratic
No officials have been added to this category.
Libertarians who switched to Republican
2025
Senate Democrats who switched to Republican
No officials have been added to this category.
Senate Republicans who switched to Democratic
No officials have been added to this category.
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to a minor party
No officials have been added to this category.
Senate Independent who switched to Democratic
No officials have been added to this category.
Senate Independent who switched to Republican
No officials have been added to this category.
Senate Democrats who switched to Independent
Senate Republicans who switched to Independent
No officials have been added to this category.
Senate Libertarians who switched to Democratic
No officials have been added to this category.
Senate Libertarians who switched to Republican
No officials have been added to this category.
Senators who switched to minor parties
House Democrats who switched to Republican
No officials have been added to this category.
House Republicans who switched to Democrats
House Democrats who switched to Libertarians
No officials have been added to this category.
House Republicans who switched to Libertarians
No officials have been added to this category.
House Independent who switched to Democrats
No officials have been added to this category.
House Independents who switched to Republican
No officials have been added to this category.
House Independents who switched to Green
No officials have been added to this category.
House Democrats who switched to Independent
No officials have been added to this category.
House Republican who switched to Independent
No officials have been added to this category.
House Libertarians who switched to Democratic
No officials have been added to this category.
House Libertarians who switched to Republican
No officials have been added to this category.
2024
Senate Democrats who switched to Republican
Senate Republicans who switched to Democratic
No officials have been added to this category.
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Independent who switched to Democratic
No officials have been added to this category.
Senate Independent who switched to Republican
No officials have been added to this category.
Senate Democrats who switched to Independent
No officials have been added to this category.
Senate Republicans who switched to Independent
No officials have been added to this category.
Senate Libertarians who switched to Democratic
No officials have been added to this category.
Senate Libertarians who switched to Republican
No officials have been added to this category.
House Democrats who switched to Republican
House Republicans who switched to Democrats
House Democrats who switched to Libertarians
No officials have been added to this category.
House Republicans who switched to Libertarians
No officials have been added to this category.
House Independent who switched to Democrats
No officials have been added to this category.
House Independents who switched to Republican
No officials have been added to this category.
House Independents who switched to Green
No officials have been added to this category.
House Democrats who switched to Independent
No officials have been added to this category.
House Republican who switched to Independent
House Libertarians who switched to Democratic
No officials have been added to this category.
House Libertarians who switched to Republican
No officials have been added to this category.
2023
Senate Democrats who switched to Republican
No officials have been added to this category.
Senate Republicans who switched to Democratic
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Independent who switched to Democratic
No officials have been added to this category.
Senate Independent who switched to Republican
Senate Democrats who switched to Independent
Senate Republicans who switched to Independent
Senate Libertarians who switched to Democratic
No officials have been added to this category.
Senate Libertarians who switched to Republican
No officials have been added to this category.
House Democrats who switched to Republican
House Republicans who switched to Democrats
No officials have been added to this category.
House Democrats who switched to Libertarians
House Republicans who switched to Libertarians
House Independent who switched to Democrats
House Independents who switched to Republican
No officials have been added to this category.
House Independents who switched to Green
No officials have been added to this category.
House Democrats who switched to Independent
No officials have been added to this category.
House Republican who switched to Independent
House Libertarians who switched to Democratic
No officials have been added to this category.
House Libertarians who switched to Republican
No officials have been added to this category.
2022
Senate Democrats who switched to Republican
Senate Republicans who switched to Democratic
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Independent who switched to Democratic
No officials have been added to this category.
Senate Independent who switched to Republican
No officials have been added to this category.
Senate Democrats who switched to Independent
No officials have been added to this category.
Senate Republicans who switched to Independent
No officials have been added to this category.
Senate Libertarians who switched to Democratic
No officials have been added to this category.
Senate Libertarians who switched to Republican
No officials have been added to this category.
House Democrats who switched to Republican
House Republicans who switched to Democrats
No officials have been added to this category.
House Democrats who switched to Libertarians
No officials have been added to this category.
House Republicans who switched to Libertarians
No officials have been added to this category.
House Independent who switched to Democrats
House Independents who switched to Republican
House Independents who switched to Green
No officials have been added to this category.
House Democrats who switched to Independent
House Republican who switched to Independent
No officials have been added to this category.
House Libertarians who switched to Democratic
No officials have been added to this category.
House Libertarians who switched to Republican
No officials have been added to this category.
2021
Senate Democrats who switched to Republican
No officials have been added to this category.
Senate Republicans who switched to Democratic
No officials have been added to this category.
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Independent who switched to Democratic
No officials have been added to this category.
Senate Independent who switched to Republican
Senate Democrats who switched to Independent
Senate Republicans who switched to Independent
Senate Libertarians who switched to Democratic
No officials have been added to this category.
Senate Libertarians who switched to Republican
No officials have been added to this category.
House Democrats who switched to Republican
House Republicans who switched to Democrats
House Democrats who switched to Libertarians
No officials have been added to this category.
House Republicans who switched to Libertarians
House Independent who switched to Democrats
House Independents who switched to Republican
House Independents who switched to Green
No officials have been added to this category.
House Democrats who switched to Independent
House Republicans who switched to Independent
House Republicans who switched to Independent Party of Oregon
House Libertarians who switched to Democratic
No officials have been added to this category.
House Libertarians who switched to Republican
2020
Senate Democrats who switched to Republican
No officials have been added to this category.
Senate Republicans who switched to Democratic
No officials have been added to this category.
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Independent who switched to Democratic
No officials have been added to this category.
Senate Independent who switched to Republican
No officials have been added to this category.
Senate Democrats who switched to Independent
Senate Republicans who switched to Independent
No officials have been added to this category.
House Democrats who switched to Republican
House Republicans who switched to Democrats
No officials have been added to this category.
House Democrats who switched to Libertarians
No officials have been added to this category.
House Republicans who switched to Libertarians
House Independent who switched to Democrats
No officials have been added to this category.
House Independents who switched to Republican
House Independents who switched to Green
No officials have been added to this category.
House Democrats who switched to Independent
House Republican who switched to Independent
No officials have been added to this category.
2019
Senate Democrats who switched to Republican
No officials have been added to this category.
Senate Republicans who switched to Democratic
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Independent who switched to Democratic
No officials have been added to this category.
Senate Independent who switched to Republican
No officials have been added to this category.
Senate Democrats who switched to Independent
No officials have been added to this category.
Senate Republicans who switched to Independent
No officials have been added to this category.
House Democrats who switched to Republican
House Republicans who switched to Democrats
House Democrats who switched to Libertarians
No officials have been added to this category.
House Republicans who switched to Libertarians
House Independent who switched to Democrats
No officials have been added to this category.
House Independents who switched to Republican
No officials have been added to this category.
House Independents who switched to Green
No officials have been added to this category.
House Democrats who switched to Independent
- Bryce E. Edgmon
- Steve Holland (Mississippi)
- Angela Cockerham
- John Yudichak
- S. Marshall Wilson (West Virginia)
House Republican who switched to Independent
2018
Senate Democrats who switched to Republican
No officials have been added to this category.
Senate Republicans who switched to Democratic
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Independent who switched to Democratic
Senate Independent who switched to Republican
No officials have been added to this category.
Senate Democrats who switched to Independent
No officials have been added to this category.
Senate Republicans who switched to Independent
House Democrats who switched to Republican
House Republicans who switched to Democrats
House Democrats who switched to Libertarians
No officials have been added to this category.
House Republicans who switched to Libertarians
No officials have been added to this category.
House Independent who switched to Democrats
No officials have been added to this category.
House Independents who switched to Republican
No officials have been added to this category.
House Independents who switched to Green
No officials have been added to this category.
House Democrats who switched to Independent
House Republican who switched to Independent
No officials have been added to this category.
2017
Senate Democrats who switched to Republican
No officials have been added to this category.
Senate Republicans who switched to Democratic
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Independent who switched to Democratic
Senate Independent who switched to Republican
No officials have been added to this category.
Senate Democrats who switched to Independent
Senate Republicans who switched to Independent
House Democrats who switched to Republican
House Republicans who switched to Democrats
No officials have been added to this category.
House Democrats who switched to Libertarians
House Republicans who switched to Libertarians
House Independent who switched to Democrats
No officials have been added to this category.
House Independents who switched to Republican
No officials have been added to this category.
House Independents who switched to Green
House Democrats who switched to Independent
House Republican who switched to Independent
2016
Senate Democrats who switched to Republican
No officials have been added to this category.
Senate Republicans who switched to Democratic
No officials have been added to this category.
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
Senate Independent who switched to Democratic
No officials have been added to this category.
Senate Independent who switched to Republican
No officials have been added to this category.
Senate Democrats who switched to Independent
No officials have been added to this category.
Senate Republicans who switched to Independent
House Democrats who switched to Republican
House Republicans who switched to Democrats
No officials have been added to this category.
House Democrats who switched to Libertarians
No officials have been added to this category.
House Republicans who switched to Libertarians
House Independent who switched to Democrats
No officials have been added to this category.
House Independents who switched to Republican
House Democrats who switched to Independent
No officials have been added to this category.
House Republican who switched to Independent
No officials have been added to this category.
2015
Senate Democrats who switched to Republican
Senate Republicans who switched to Democratic
No officials have been added to this category.
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Independent who switched to Democratic
No officials have been added to this category.
Senate Independent who switched to Republican
No officials have been added to this category.
Senate Democrats who switched to Independent
No officials have been added to this category.
Senate Republicans who switched to Independent
No officials have been added to this category.
House Democrats who switched to Republican
House Republicans who switched to Democrats
House Democrats who switched to Libertarians
No officials have been added to this category.
House Republicans who switched to Libertarians
No officials have been added to this category.
House Independent who switched to Democrats
No officials have been added to this category.
House Independents who switched to Republican
No officials have been added to this category.
House Democrats who switched to Independent
House Republican who switched to Independent
No officials have been added to this category.
2014
Senate Democrats who switched to Republican
Senate Republicans who switched to Democratic
No officials have been added to this category.
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Independent who switched to Democratic
No officials have been added to this category.
Senate Independent who switched to Republican
No officials have been added to this category.
Senate Democrats who switched to Independent
No officials have been added to this category.
Senate Republicans who switched to Independent
No officials have been added to this category.
House Democrats who switched to Republican
House Republicans who switched to Democrats
No officials have been added to this category.
House Democrats who switched to Libertarians
No officials have been added to this category.
House Republicans who switched to Libertarians
No officials have been added to this category.
House Independent who switched to Democrats
No officials have been added to this category.
House Independents who switched to Republican
No officials have been added to this category.
House Democrats who switched to Independent
No officials have been added to this category.
House Republican who switched to Independent
No officials have been added to this category.
2013
Senate Democrats who switched to Republican
Senate Republicans who switched to Democratic
No officials have been added to this category.
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Independent who switched to Democratic
No officials have been added to this category.
Senate Independent who switched to Republican
No officials have been added to this category.
Senate Democrats who switched to Independent
No officials have been added to this category.
Senate Republicans who switched to Independent
No officials have been added to this category.
House Democrats who switched to Republican
House Republicans who switched to Democrats
No officials have been added to this category.
House Democrats who switched to Libertarians
No officials have been added to this category.
House Republicans who switched to Libertarians
No officials have been added to this category.
House Independent who switched to Democrats
No officials have been added to this category.
House Independents who switched to Republican
No officials have been added to this category.
House Democrats who switched to Independent
House Republican who switched to Independent
No officials have been added to this category.
2012
Senate Democrats who switched to Republican
Senate Republicans who switched to Democratic
No officials have been added to this category.
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Independent who switched to Democratic
No officials have been added to this category.
Senate Independent who switched to Republican
No officials have been added to this category.
Senate Democrats who switched to Independent
No officials have been added to this category.
Senate Republicans who switched to Independent
No officials have been added to this category.
House Democrats who switched to Republican
House Republicans who switched to Democrats
No officials have been added to this category.
House Democrats who switched to Libertarians
No officials have been added to this category.
House Republicans who switched to Libertarians
No officials have been added to this category.
House Independent who switched to Democrats
No officials have been added to this category.
House Independents who switched to Republican
House Democrats who switched to Independent
No officials have been added to this category.
House Republican who switched to Independent
No officials have been added to this category.
2011
Senate Democrats who switched to Republican
Senate Republicans who switched to Democratic
No officials have been added to this category.
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Independent who switched to Democratic
No officials have been added to this category.
Senate Independent who switched to Republican
No officials have been added to this category.
Senate Democrats who switched to Independent
No officials have been added to this category.
Senate Republicans who switched to Independent
No officials have been added to this category.
House Democrats who switched to Republican
House Republicans who switched to Democrats
House Democrats who switched to Libertarians
No officials have been added to this category.
House Republicans who switched to Libertarians
No officials have been added to this category.
House Independent who switched to Democrats
No officials have been added to this category.
House Independents who switched to Republican
House Democrats who switched to Independent
House Republican who switched to Independent
No officials have been added to this category.
2010
Senate Democrats who switched to Republican
Senate Republicans who switched to Democratic
No officials have been added to this category.
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Independent who switched to Democratic
No officials have been added to this category.
Senate Independent who switched to Republican
No officials have been added to this category.
Senate Democrats who switched to Independent
No officials have been added to this category.
Senate Republicans who switched to Independent
House Democrats who switched to Republican
- Aaron Peña
- Alan Boothe
- Alan Powell
- Allan Ritter
- Amy Carter (Georgia)
- Bob Hanner
- Bobby Shows
- Bubber Epps
- Doug McKillip
- Ellis Black
- Fred Mills Jr.
- Gerald Greene
- Lesley Vance
- Michael Willette
- Mike Cheokas
- Mike Millican
- Simone Champagne
- Steve Hurst
- Walker Hines
House Republicans who switched to Democrats
No officials have been added to this category.
House Democrats who switched to Libertarians
No officials have been added to this category.
House Republicans who switched to Libertarians
No officials have been added to this category.
House Independent who switched to Democrats
No officials have been added to this category.
House Independents who switched to Republican
No officials have been added to this category.
House Democrats who switched to Independent
House Republican who switched to Independent
2009
Senate Democrats who switched to Republican
No officials have been added to this category.
Senate Republicans who switched to Democratic
No officials have been added to this category.
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Independent who switched to Democratic
No officials have been added to this category.
Senate Independent who switched to Republican
No officials have been added to this category.
Senate Democrats who switched to Independent
No officials have been added to this category.
Senate Republicans who switched to Independent
No officials have been added to this category.
House Democrats who switched to Republican
House Republicans who switched to Democrats
House Democrats who switched to Libertarians
No officials have been added to this category.
House Republicans who switched to Libertarians
No officials have been added to this category.
House Independent who switched to Democrats
No officials have been added to this category.
House Independents who switched to Republican
No officials have been added to this category.
House Democrats who switched to Independent
House Republican who switched to Independent
No officials have been added to this category.
2008
Senate Democrats who switched to Republican
Senate Republicans who switched to Democratic
No officials have been added to this category.
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Independent who switched to Democratic
No officials have been added to this category.
Senate Independent who switched to Republican
No officials have been added to this category.
Senate Democrats who switched to Independent
No officials have been added to this category.
Senate Republicans who switched to Independent
No officials have been added to this category.
House Democrats who switched to Republican
No officials have been added to this category.
House Republicans who switched to Democrats
No officials have been added to this category.
House Democrats who switched to Libertarians
No officials have been added to this category.
House Republicans who switched to Libertarians
No officials have been added to this category.
House Independent who switched to Democrats
No officials have been added to this category.
House Independents who switched to Republican
No officials have been added to this category.
House Democrats who switched to Independent
No officials have been added to this category.
House Republican who switched to Independent
No officials have been added to this category.
2007
Senate Democrats who switched to Republican
Senate Republicans who switched to Democratic
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Independent who switched to Democratic
No officials have been added to this category.
Senate Independent who switched to Republican
No officials have been added to this category.
Senate Democrats who switched to Independent
No officials have been added to this category.
Senate Republicans who switched to Independent
No officials have been added to this category.
House Democrats who switched to Republican
House Republicans who switched to Democrats
House Democrats who switched to Libertarians
No officials have been added to this category.
House Republicans who switched to Libertarians
No officials have been added to this category.
House Independent who switched to Democrats
No officials have been added to this category.
House Independents who switched to Republican
No officials have been added to this category.
House Democrats who switched to Independent
No officials have been added to this category.
House Republican who switched to Independent
No officials have been added to this category.
2006
Senate Democrats who switched to Republican
No officials have been added to this category.
Senate Republicans who switched to Democratic
No officials have been added to this category.
Senate Democrats who switched to Libertarians
No officials have been added to this category.
Senate Republicans who switched to Libertarians
No officials have been added to this category.
Senate Independent who switched to Democratic
No officials have been added to this category.
Senate Independent who switched to Republican
No officials have been added to this category.
Senate Democrats who switched to Independent
No officials have been added to this category.
Senate Republicans who switched to Independent
No officials have been added to this category.
House Democrats who switched to Republican
House Republicans who switched to Democrats
House Democrats who switched to Libertarians
No officials have been added to this category.
House Republicans who switched to Libertarians
No officials have been added to this category.
House Independent who switched to Democrats
No officials have been added to this category.
House Independents who switched to Republican
No officials have been added to this category.
House Democrats who switched to Independent
No officials have been added to this category.
House Republican who switched to Independent
No officials have been added to this category.
2005
House Democrat who switched to Republican
- Dan Morrish (R), Louisiana State Senate, District 25
2002
Senate Democrat who switched to Republican
- Jack Hill (R), Georgia State Senate, District 4
2001
House Republican who switched to Democrat
- Kathy Ashe (D), Georgia House of Representatives District 56
2000
Senate Republicans who switched to Democrat
- Patrick Hogan (D), Maryland State Senate District 39
1999
Senate Democrats who switched to Republican
- Bob Leeper (R), Kentucky State Senate District 2
- Dan Seum (R), Kentucky State Senate District 38
House Republicans who switched to Democrat
- Robert Neall, Maryland House District 33
1995
Senate Democrat who switched to Republican
- Rusty Crowe (R), Tennessee State Senate District 3
1994
House Democrat who switched to Republican
- Eli Bebout (R), Wyoming State Senate, District 26
Chamber control
Partisan breakdown
As of September 19th, 2025, Republicans controlled 55.5% of all state legislative seats nationally, while Democrats held 43.68%. Republicans held a majority in 57 chambers, and Democrats held the majority in 39 chambers. Two chambers (Alaska House and Alaska Senate) were organized under multipartisan, power-sharing coalitions. One chamber (Minnesota House of Representatives) was split evenly between both parties.
| Partisan balance of all 7,386 state legislative seats | ||||||||
|---|---|---|---|---|---|---|---|---|
| Legislative chamber | 
|
|
 Other
|
Vacant | ||||
| State senates | 834 | 1,122 | 5 | 12 | ||||
| State houses | 2,392 | 2,977 | 20 | 24 | ||||
| Total: | 3,226
|
4,099
|
25
|
36 | ||||
See also
- Partisan composition of state senates
- Partisan composition of state houses
- Partisan composition of state legislatures
- How vacancies are filled in state legislatures
Footnotes
- ↑ Kansas Reflector, "Democrats try to oust Kansas representative, who quits party," January 12, 2021
- ↑ KSHB, "Kansas Rep. Aaron Coleman rejoins Democratic Party," February 8, 2021
- ↑ Bangor Daily News, "Judge orders Maine to reenroll Libertarians removed from their party," January 3, 2022
- ↑ Twitter, "Tweet from Jeremy Alford," July 1, 2021
- ↑ Associated Press, "Louisiana Democratic Party loses another state lawmaker," July 1, 2021
- ↑ Louisiana House of Representatives, "State Representative Malinda B. White," accessed December 12, 2022
- ↑ U.S. News, "Nebraska Governor Hopeful Krist Joins Democratic Party," February 12, 2018
- ↑ Omaha.com, "Nebraska State Sen. Bob Krist to leave GOP, try to challenge Ricketts as third-party candidate," July 17, 2017
