District
|
Image
|
Representative
|
Switched party
|
Prior background
|
Birth year
|
Ref
|
Alabama 6
|
|
Gary Palmer (R)
|
No Open seat; replaced Spencer Bachus (R)
|
President of the Alabama Policy Institute President of the State Policy Network
|
1954
|
[15]
|
Arizona 2
|
|
Martha McSally (R)
|
Yes Defeated Ron Barber (D)
|
U.S. Air Force Colonel
|
1966
|
[16]
|
Arizona 7
|
|
Ruben Gallego (D)
|
No Open seat; replaced Ed Pastor (D)
|
Arizona House of Representatives U.S. Marine Corps Reserve Corporal
|
1979
|
[17]
|
Arkansas 2
|
|
French Hill (R)
|
No Open seat; replaced Tim Griffin (R)
|
Secretary to the National Economic Council Deputy Assistant Secretary of the Treasury Aide to U.S. Senator John Tower
|
1956
|
[18]
|
Arkansas 4
|
|
Bruce Westerman (R)
|
No Open seat; replaced Tom Cotton (R)
|
Majority Leader of the Arkansas House of Representatives Fountain Lake School Board
|
1967
|
[19]
|
California 11
|
|
Mark DeSaulnier (D)
|
No Open seat; replaced George Miller (D)
|
California State Senate California State Assembly Contra Costa County Board of Supervisors Concord City Council
|
1952
|
[20]
|
California 25
|
|
Steve Knight (R)
|
No Open seat; replaced Buck McKeon (R)
|
California State Senate California State Assembly Palmdale City Council Los Angeles Police Department U.S. Army Reserve
|
1966
|
[21]
|
California 31
|
|
Pete Aguilar (D)
|
Yes Open seat; replaced Gary Miller (R)
|
Mayor of Redlands Aide to Governor Gray Davis
|
1979
|
[22]
|
California 33
|
|
Ted Lieu (D)
|
No Open seat; replaced Henry Waxman (D)
|
California State Senate California State Assembly Torrance City Council U.S. Air Force JAG Corps Colonel
|
1969
|
[23]
|
California 35
|
|
Norma Torres (D)
|
No Open seat; replaced Gloria Negrete McLeod (D)
|
California State Senate California State Assembly Mayor of Pomona
|
1965
|
[24]
|
California 45
|
|
Mimi Walters (R)
|
No Open seat; replaced John Campbell (R)
|
California State Senate California State Assembly Laguna Niguel City Council
|
1962
|
[25]
|
Colorado 4
|
|
Ken Buck (R)
|
No Open seat; replaced Cory Gardner (R)
|
Weld County District Attorney Congressional staffer
|
1959
|
[26]
|
Florida 2
|
|
Gwen Graham (D)
|
Yes Defeated Steve Southerland (R)
|
Lawyer
|
1963
|
[27]
|
Florida 26
|
|
Carlos Curbelo (R)
|
Yes Defeated Joe Garcia (D)
|
Miami-Dade County Public School Board Staffer for U.S. Senator George LeMieux
|
1980
|
[28]
|
Georgia 1
|
|
Buddy Carter (R)
|
No Open seat; replaced Jack Kingston (R)
|
Georgia State Senate Georgia House of Representatives Mayor of Pooler Pooler City Council
|
1957
|
[29]
|
Georgia 10
|
|
Jody Hice (R)
|
No Open seat; replaced Paul Broun (R)
|
Senior pastor
|
1960
|
[30]
|
Georgia 11
|
|
Barry Loudermilk (R)
|
No Open seat; replaced Phil Gingrey (R)
|
Georgia State Senate Georgia House of Representatives Chair of the Bartow County Republican Party U.S. Air Force
|
1963
|
[31]
|
Georgia 12
|
|
Rick Allen (R)
|
Yes Defeated John Barrow (D)
|
Construction business owner
|
1951
|
[32]
|
Hawaii 1
|
|
Mark Takai (D)
|
No Open seat; replaced Colleen Hanabusa (D)
|
Hawaii House of Representatives Hawaii National Guard Lieutenant Colonel
|
1967
|
[33]
|
Illinois 10
|
|
Bob Dold (R)
|
Yes Defeated Brad Schneider (D)
|
U.S. House of Representatives[h] Staffer for Vice President Dan Quayle
|
1969
|
[34]
|
Illinois 12
|
|
Mike Bost (R)
|
Yes Defeated William Enyart (D)
|
Illinois House of Representatives Murphysboro Township Treasurer U.S. Marine Corps
|
1960
|
[35]
|
Iowa 1
|
|
Rod Blum (R)
|
Yes Open seat; replaced Bruce Braley (D)
|
Software business executive
|
1955
|
[36]
|
Iowa 3
|
|
David Young (R)
|
No Open seat; replaced Tom Latham (R)
|
Chief of staff for U.S. Senator Chuck Grassley Chief of staff for U.S. Senator Jim Bunning
|
1968
|
[37]
|
Louisiana 5
|
|
Ralph Abraham (R)
|
No Defeated Vance McAllister (R)
|
Aviation medical examiner Mississippi National Guard
|
1954
|
[38]
|
Louisiana 6
|
|
Garret Graves (R)
|
No Open seat; replaced Bill Cassidy (R)
|
Chair of the Louisiana CPRA Staffer for U.S. Senator David Vitter Staffer for U.S. Senator John Breaux
|
1972
|
[39]
|
Maine 2
|
|
Bruce Poliquin (R)
|
Yes Open seat; replaced Mike Michaud (D)
|
Maine State Treasurer
|
1953
|
[40]
|
Massachusetts 6
|
|
Seth Moulton (D)
|
No Defeated John F. Tierney (D) in a primary
|
U.S. Marine Corps Captain
|
1978
|
[41]
|
Michigan 4
|
|
John Moolenaar (R)
|
No Open seat; replaced Dave Camp (R)
|
Michigan Senate Michigan House of Representatives Midland City Council
|
1961
|
[42]
|
Michigan 8
|
|
Mike Bishop (R)
|
No Open seat; replaced Mike Rogers (R)
|
Majority Leader of the Michigan Senate Michigan House of Representatives
|
1967
|
[43]
|
Michigan 11
|
|
Dave Trott (R)
|
No Defeated Kerry Bentivolio (R) in a primary
|
Bingham Farms Village Council Business owner
|
1960
|
[44]
|
Michigan 12
|
|
Debbie Dingell (D)
|
No Open seat; replaced John Dingell (D)
|
Wayne State University Board of Governors
|
1953
|
[45]
|
Michigan 14
|
|
Brenda Lawrence (D)
|
No Open seat; replaced Gary Peters (D)
|
Mayor of Southfield Southfield City Council U.S. Postal Service
|
1954
|
[46]
|
Minnesota 6
|
|
Tom Emmer (R)
|
No Open seat; replaced Michele Bachmann (R)
|
Minnesota House of Representatives Delano City Council Independence City Council
|
1961
|
[47]
|
Montana at-large
|
|
Ryan Zinke (R)
|
No Open seat; replaced Steve Daines (R)
|
Montana Senate U.S. Navy SEAL Team Six
|
1961
|
[48]
|
Nebraska 2
|
|
Brad Ashford (D)
|
Yes Defeated Lee Terry (D)
|
Nebraska Legislature CEO of the Omaha Housing Authority Nebraska Department of Education
|
1949
|
[49]
|
Nevada 4
|
|
Cresent Hardy (R)
|
Yes Defeated Steven Horsford (D)
|
Nevada Assembly Mesquite City Council
|
1957
|
[50]
|
New Hampshire 1
|
|
Frank Guinta (R)
|
Yes Defeated Carol Shea-Porter (D)
|
U.S. House of Representatives[i] Mayor of Manchester Manchester Board of Aldermen New Hampshire House of Representatives
|
1970
|
[51]
|
New Jersey 3
|
|
Tom MacArthur (R)
|
No Open seat; replaced Jon Runyan (R)
|
Mayor of Randolph
|
1960
|
[52]
|
New Jersey 12
|
|
Bonnie Watson Coleman (D)
|
No Open seat; replaced Rush Holt Jr. (D)
|
Majority Leader of the New Jersey General Assembly Chair of the New Jersey Democratic State Committee
|
1945
|
[53]
|
New York 1
|
|
Lee Zeldin (R)
|
Yes Defeated Tim Bishop (D)
|
New York State Senate U.S. Army Lieutenant Colonel
|
1980
|
[54]
|
New York 4
|
|
Kathleen Rice (D)
|
No Open seat; replaced Carolyn McCarthy (D)
|
Nassau County District Attorney
|
1965
|
[55]
|
New York 21
|
|
Elise Stefanik (R)
|
Yes Open seat; replaced Bill Owens (D)
|
Staffer for the U.S. Domestic Policy Council Campaign manager
|
1984
|
[56]
|
New York 24
|
|
John Katko (R)
|
Yes Defeated Dan Maffei (D)
|
Assistant U.S. Attorney U.S. Securities and Exchange Commission
|
1962
|
[57]
|
North Carolina 6
|
|
Mark Walker (R)
|
No Open seat; replaced Howard Coble (R)
|
Businessman
|
1969
|
[58]
|
North Carolina 7
|
|
David Rouzer (R)
|
Yes Open seat; replaced Mike McIntyre (D)
|
North Carolina Senate Legislative aide to U.S. Senator Elizabeth Dole
|
1972
|
[59]
|
Oklahoma 5
|
|
Steve Russell (R)
|
No Open seat; replaced James Lankford (R)
|
Oklahoma Senate U.S. Army Lieutenant Colonel
|
1963
|
[60]
|
Pennsylvania 6
|
|
Ryan Costello (R)
|
No Open seat; replaced Jim Gerlach (R)
|
Chester County Board of Commissioners Chester County Recorder of Deeds
|
1976
|
[61]
|
Pennsylvania 13
|
|
Brendan Boyle (D)
|
No Open seat; replaced Allyson Schwartz (D)
|
Pennsylvania House of Representatives
|
1977
|
[62]
|
Texas 4
|
|
John Ratcliffe (R)
|
No Defeated Ralph Hall (R) in a primary
|
Mayor of Heath U.S. Attorney for Eastern Texas
|
1965
|
[63]
|
Texas 23
|
|
Will Hurd (R)
|
Yes Defeated Pete Gallego (D)
|
CIA Directorate of Operations
|
1977
|
[64]
|
Texas 36
|
|
Brian Babin (R)
|
No Open seat; replaced Steve Stockman (R)
|
Lower Neches Valley Authority Texas Historical Commission Mayor of Woodville U.S. Air Force
|
1948
|
[65]
|
Utah 4
|
|
Mia Love (R)
|
Yes Open seat; replaced Jim Matheson (D)
|
Mayor of Saratoga Springs Saratoga Springs City Council
|
1975
|
[66]
|
Virginia 8
|
|
Don Beyer (D)
|
No Open seat; replaced Jim Moran (D)
|
U.S. Ambassador to Switzerland and Liechtenstein Lieutenant Governor of Virginia
|
1950
|
[67]
|
Virginia 10
|
|
Barbara Comstock (R)
|
No Open seat; replaced Frank Wolf (R)
|
Virginia House of Delegates U.S. Department of Justice official Congressional staffer
|
1959
|
[68]
|
Washington 4
|
|
Dan Newhouse (R)
|
No Open seat; replaced Doc Hastings (R)
|
Washington Director of Agriculture Washington House of Representatives
|
1955
|
[69]
|
West Virginia 2
|
|
Alex Mooney (R)
|
No Open seat; replaced Shelley Moore Capito (R)
|
Chair of the Maryland Republican Party Maryland Senate
|
1971
|
[70]
|
West Virginia 3
|
|
Evan Jenkins (R)
|
Yes Defeated Nick Rahall (D)
|
West Virginia Senate West Virginia House of Delegates
|
1960
|
[71]
|
Wisconsin 6
|
|
Glenn Grothman (R)
|
No Open seat; replaced Tom Petri (R)
|
Wisconsin Senate Wisconsin State Assembly
|
1955
|
[72]
|