District
|
Image
|
Representative
|
Switched party
|
Prior background
|
Birth year
|
Ref
|
Alabama 2
|
|
Bobby Bright (D)
|
Yes Open seat; replaced
Terry Everett (R)
|
Mayor of Montgomery
|
1952
|
[23]
|
Alabama 5
|
|
Parker Griffith (D)
|
No
[f] Open seat; replaced
Bud Cramer (D)
|
Alabama Senate
U.S. Army Medical Corps
|
1942
|
[24]
|
Arizona 1
|
|
Ann Kirkpatrick (D)
|
Yes Open seat; replaced
Rick Renzi (R)
|
Arizona House of Representatives
|
1950
|
[25]
|
California 4
|
|
Tom McClintock (R)
|
No Open seat; replaced
John Doolittle (R)
|
California State Senate
California State Assembly
|
1956
|
[26]
|
California 52
|
|
Duncan D. Hunter (R)
|
No Open seat; replaced
Duncan L. Hunter (R)
|
Real estate developer
U.S. Marine Corps
Major
|
1976
|
[27]
|
Colorado 2
|
|
Jared Polis (D)
|
No Open seat; replaced
Mark Udall (D)
|
Colorado State Board of Education
|
1975
|
[28]
|
Colorado 4
|
|
Betsy Markey (D)
|
Yes Defeated
Marilyn Musgrave (R)
|
Legislative aide
|
1956
|
[29]
|
Colorado 6
|
|
Mike Coffman (R)
|
No Open seat; replaced
Tom Tancredo (R)
|
Secretary of State of Colorado
Colorado State Treasurer
Colorado Senate
Colorado House of Representatives
U.S. Marine Corps
Major
|
1955
|
[30]
|
Connecticut 4
|
|
Jim Himes (D)
|
Yes Defeated
Chris Shays (R)
|
Greenwich Housing Authority Vice President of
Goldman Sachs
|
1966
|
[31]
|
Florida 8
|
|
Alan Grayson (D)
|
Yes Defeated
Ric Keller (R)
|
Businessman
|
1958
|
[32]
|
Florida 15
|
|
Bill Posey (R)
|
No Open seat; replaced
Dave Weldon (R)
|
Florida Senate
Florida House of Representatives
Rockledge City Council
|
1947
|
[33]
|
Florida 16
|
|
Tom Rooney (R)
|
Yes Defeated
Tim Mahoney (D)
|
U.S. Army Judge Advocate General's Corps
|
1970
|
[34]
|
Florida 24
|
|
Suzanne Kosmas (D)
|
Yes Defeated
Tom Feeney (R)
|
Florida House of Representatives
|
1944
|
[35]
|
Idaho 1
|
|
Walt Minnick (D)
|
Yes Defeated
Bill Sali (R)
|
Staff assistant to
President
Richard Nixon
U.S. Army
First Lieutenant
|
1942
|
[36]
|
Illinois 11
|
|
Debbie Halvorson (D)
|
Yes Open seat; replaced
Jerry Weller (R)
|
Illinois Senate
Crete Township Clerk
|
1958
|
[37]
|
Illinois 18
|
|
Aaron Schock (R)
|
No Open seat; replaced
Ray LaHood (R)
|
Illinois House of Representatives
Peoria Board of Education
|
1981
|
[38]
|
Kansas 2
|
|
Lynn Jenkins (R)
|
Yes Defeated
Nancy Boyda (D)
|
Kansas State Treasurer
Kansas Senate
Kansas House of Representatives
|
1963
|
[39]
|
Kentucky 2
|
|
Brett Guthrie (R)
|
No Open seat; replaced
Ron Lewis (R)
|
Kentucky Senate
U.S. Army
First Lieutenant
|
1964
|
[40]
|
Louisiana 2
|
|
Joseph Cao (R)
|
Yes Defeated
William Jefferson (D)
|
Professional advocate
|
1967
|
[41]
|
Louisiana 4
|
|
John Fleming (R)
|
No Open seat; replaced
Jim McCrery (R)
|
Webster Parish Coroner
U.S. Navy
|
1951
|
[42]
|
Louisiana 6
|
|
Bill Cassidy (R)
|
Yes Defeated
Don Cazayoux (D)
|
Louisiana State Senate Physician
|
1957
|
[43]
|
Maine 1
|
|
Chellie Pingree (D)
|
No Open seat; replaced
Tom Allen (D)
|
Maine Senate
|
1955
|
[44]
|
Maryland 1
|
|
Frank Kratovil (D)
|
Yes Replaced
Wayne Gilchrest (R), who lost renomination
|
Queen Anne's County State's Attorney
|
1968
|
[45]
|
Michigan 7
|
|
Mark Schauer (D)
|
Yes Defeated
Tim Walberg (R)
|
Michigan Senate
Michigan House of Representatives
Battle Creek City Commission
|
1961
|
[46]
|
Michigan 9
|
|
Gary Peters (D)
|
Yes Defeated
Joe Knollenberg (R)
|
Michigan Lottery Commissioner
Michigan Senate
Rochester Hills City Council
Navy Supply Corps
Lieutenant Commander
|
1958
|
[47]
|
Minnesota 3
|
|
Erik Paulsen (R)
|
No Open seat; replaced
Jim Ramstad (R)
|
Minnesota House of Representatives
|
1965
|
[48]
|
Mississippi 3
|
|
Gregg Harper (R)
|
No Open seat; replaced
Chip Pickering (R)
|
Brandon City Prosecutor
Richland City Prosecutor Chair of the
Rankin County Republican Party
|
1956
|
[49]
|
Missouri 9
|
|
Blaine Luetkemeyer (R)
|
No Open seat; replaced
Kenny Hulshof (R)
|
Missouri Tourism Director
Missouri House of Representatives
St. Elizabeth Board of Trustees
|
1952
|
[50]
|
Nevada 3
|
|
Dina Titus (D)
|
Yes Defeated
Jon Porter (R)
|
Nevada Senate Political science professor
|
1950
|
[51]
|
New Jersey 3
|
|
John Adler (D)
|
Yes Open seat; replaced
Jim Saxton (R)
|
New Jersey Senate
Cherry Hill Township Council
|
1959
|
[52]
|
New Jersey 7
|
|
Leonard Lance (R)
|
No Open seat; replaced
Mike Ferguson (R)
|
New Jersey Senate
New Jersey General Assembly
|
1952
|
[53]
|
New Mexico 1
|
|
Martin Heinrich (D)
|
Yes Open seat; replaced
Heather Wilson (R)
|
Albuquerque City Council
|
1971
|
[54]
|
New Mexico 2
|
|
Harry Teague (D)
|
Yes Open seat; replaced
Steve Pearce (R)
|
Lea County Board of Commissioners
|
1949
|
[55]
|
New Mexico 3
|
|
Ben Ray Luján (D)
|
No Open seat; replaced
Tom Udall (D)
|
New Mexico Public Regulation Commission
|
1972
|
[56]
|
New York 13
|
|
Michael McMahon (D)
|
Yes Open seat; replaced
Vito Fossella (R)
|
New York City Council
|
1957
|
[57]
|
New York 21
|
|
Paul Tonko (D)
|
No Open seat; replaced
Michael McNulty (D)
|
President of the
NYSERDA
New York State Assembly
Montgomery County Board of Supervisors
|
1949
|
[58]
|
New York 25
|
|
Dan Maffei (D)
|
Yes Open seat; replaced
James T. Walsh (R)
|
Congressional staffer
|
1968
|
[59]
|
New York 26
|
|
Chris Lee (R)
|
No Open seat; replaced
Thomas M. Reynolds (R)
|
Businessman
|
1964
|
[60]
|
New York 29
|
|
Eric Massa (D)
|
Yes Defeated
Randy Kuhl (R)
|
Congressional staffer
U.S. Navy
Lieutenant Commander
|
1959
|
[61]
|
North Carolina 8
|
|
Larry Kissell (D)
|
Yes Defeated
Robin Hayes (R)
|
Businessman
|
1951
|
[62]
|
Ohio 1
|
|
Steve Driehaus (D)
|
Yes Defeated
Steve Chabot (R)
|
Ohio House of Representatives
Peace Corps
|
1966
|
[63]
|
Ohio 7
|
|
Steve Austria (R)
|
No Open seat; replaced
Dave Hobson (R)
|
Ohio Senate
Ohio House of Representatives
|
1958
|
[64]
|
Ohio 15
|
|
Mary Jo Kilroy (D)
|
Yes Open seat; replaced
Deborah Pryce (R)
|
Franklin County Board of Commissioners
Columbus Board of Education
|
1949
|
[65]
|
Ohio 16
|
|
John Boccieri (D)
|
Yes Open seat; replaced
Ralph Regula (R)
|
Ohio Senate
Ohio House of Representatives
U.S. Air Force Reserve
Colonel
|
1969
|
[66]
|
Oregon 5
|
|
Kurt Schrader (D)
|
No Open seat; replaced
Darlene Hooley (D)
|
Oregon State Senate
Oregon House of Representatives Veterinarian
|
1951
|
[67]
|
Pennsylvania 3
|
|
Kathy Dahlkemper (D)
|
Yes Defeated
Phil English (R)
|
Co-founder of the
Lake Erie Arboretum
|
1957
|
[68]
|
Pennsylvania 5
|
|
Glenn Thompson (R)
|
No Open seat; replaced
John Peterson (R)
|
Chair of the
Centre County Republican Party
Bald Eagle School Board Rehabilitation therapist manager
|
1959
|
[69]
|
Tennessee 1
|
|
Phil Roe (R)
|
No Replaced
David Davis (R), who lost renomination
|
Mayor of
Johnson City
Johnson City Board of Commissioners
U.S. Army Medical Corps
|
1945
|
[70]
|
Texas 22
|
|
Pete Olson (R)
|
Yes Defeated
Nick Lampson (D)
|
Congressional staffer
U.S. Navy
Lieutenant Commander
|
1962
|
[71]
|
Utah 3
|
|
Jason Chaffetz (R)
|
No Replaced
Chris Cannon (R), who lost renomination
|
Utah Valley Board of Trustees Chief of staff to
Governor
Jon Huntsman Jr.
|
1967
|
[72]
|
Virginia 2
|
|
Glenn Nye (D)
|
Yes Defeated
Thelma Drake (R)
|
USAID staff member
U.S. Foreign Service officer
|
1974
|
[73]
|
Virginia 5
|
|
Tom Perriello (D)
|
Yes Defeated
Virgil Goode (R)
|
Entrepreneur
|
1974
|
[74]
|
Virginia 11
|
|
Gerry Connolly (D)
|
Yes Open seat; replaced
Tom Davis (R)
|
Fairfax County Board of Supervisors
|
1950
|
[75]
|
Wyoming at-large
|
|
Cynthia Lummis (R)
|
No Open seat; replaced
Barbara Cubin (R)
|
Wyoming State Treasurer
Wyoming Senate
Wyoming House of Representatives
|
1954
|
[76]
|