|-
!
| Henry H. Bingham
| | Republican
| 1878
| | Incumbent died March 22, 1912.<br>New member elected May 24, 1912.<br>Republican hold.
| nowrap |
|-
!
| David J. Foster
|
| 1900
| | Incumbent died July 30, 1912.<br/>New member elected July 30, 1912.<br/>Republican hold.
| nowrap |
|-
!
| Elbert H. Hubbard
|
| 1904
| | Incumbent died June 4, 1912.<br>New member <!--elected-->elected November 5, 1912.<br>Republican hold.
| nowrap |
|-
!
| George R. Malby
| | Republican
| 1906
| | Incumbent died July 5, 1912.<br>New member elected November 5, 1912.<br>Republican hold.
| nowrap |
|}
Alabama
|-
!
| George W. Taylor
| | Democratic
| 1896
| Incumbent re-elected.
| nowrap |
|-
!
| S. Hubert Dent Jr.
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| Henry D. Clayton Jr.
| | Democratic
| 1896
| Incumbent re-elected.
| nowrap |
|-
!
| Fred L. Blackmon
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| J. Thomas Heflin
| | Democratic
| 1904 <small>(special)</small>
| Incumbent re-elected.
| nowrap |
|-
!
| Richmond P. Hobson
| | Democratic
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| John L. Burnett
| | Democratic
| 1898
| Incumbent re-elected.
| nowrap |
|-
!
| William N. Richardson
| | Democratic
| 1900 <small>(special)</small>
| Incumbent re-elected.
| nowrap |
|-
!
| Oscar Underwood
| | Democratic
| 1894 <small>(contested)</small><br /> 1896
| Incumbent re-elected.
| nowrap |
|-
!
| colspan=3 | None (new district)
| |New seat.<br/>Democratic gain.
| nowrap |
|}
Arizona
thumb|250px|Results by county<br/>Hayden:
|-
!
| Carl Hayden
| | Democratic
| 1911
| Incumbent re-elected.
| nowrap |
|}
Arkansas
<!---->
|-
!
| Robert B. Macon
| | Democratic
| 1902
| | Incumbent lost renomination.<br/>Democratic hold.
| nowrap |
|-
!
| William A. Oldfield
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| John C. Floyd
| | Democratic
| 1904
| Incumbent re-elected.
| nowrap |
|-
!
| William B. Cravens
| | Democratic
| 1906
| | Incumbent retired.<br/>Democratic hold.
| nowrap |
|-
!
| Henderson M. Jacoway
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Joseph Taylor Robinson
| | Democratic
| 1902
| | Incumbent retired to run for Arkansas Governor.<br/>Democratic hold.
| nowrap |
|-
!
| William S. Goodwin
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|}
California
|-
!
| William Kent<br/>
| | Republican
| 1910
| | Incumbent re-elected as an Independent.<br/>Independent gain.
| nowrap |
|-
!
| John E. Raker<br/>
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| colspan=3 | None (new district)
| | New seat.<br/>Republican gain.
| nowrap |
|-
!
| Julius Kahn
| | Republican
| 1898
| Incumbent re-elected.
| nowrap |
|-
!
| colspan=3 | None (new district)
| | New seat.<br/>Republican gain.
| nowrap |
|-
!
| Joseph R. Knowland<br/>
| | Republican
| 1904
| Incumbent re-elected.
| nowrap |
|-
!
| James C. Needham<br/>
| | Republican
| 1898
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| Everis A. Hayes<br/>
| | Republican
| 1904
| Incumbent re-elected.
| nowrap |
|-
!
| colspan=3 | None (new district)
| | New seat.<br/>Progressive gain.
| nowrap |
|-
!
| William Stephens<br/>
| | Republican
| 1910
| | Incumbent re-elected as a Progressive.<br/>Progressive gain.
| nowrap |
|-
!
| Sylvester C. Smith<br/>
| | Republican
| 1904
| | Incumbent retired.<br/>Democratic gain.<br/>Incumbent died before the Congress ended.
| nowrap |
|}
Colorado
<!---->
|-
!
| Atterson W. Rucker
| | Democratic
| 1908
| | Incumbent lost renomination.<br/>Democratic hold.
| nowrap |
|-
!
| John A. Martin
| | Democratic
| 1908
| | Incumbent retired.<br>Democratic hold.
| nowrap |
|-
! rowspan=2 |
| colspan=3 | None (new seat)
| | New seat.<br/>Democratic gain.
| nowrap rowspan=2 |
|-
| colspan=3 | None (new seat)
| | New seat.<br/>Democratic gain.
|}
Connecticut
<!---->
|-
!
| | E. Stevens Henry
| | Republican
| 1894
| | Incumbent retired.<br>Democratic gain.
| nowrap |
|-
!
| Thomas L. Reilly
| | Democratic
| 1910
| | Incumbent retired to run in the 3rd district.<br/>Democratic hold.
| nowrap |
|-
! rowspan=2 |
| Edwin W. Higgins
| | Republican
| 1904
| | Incumbent retired.<br>Democratic gain.
| rowspan=2 nowrap |
|-
| John Q. Tilson<br/><small>Redistricted from the </small>
| | Republican
| 1908
| | Incumbent lost re-election.<br>Republican loss.
|-
!
| Ebenezer J. Hill
| | Republican
| 1894
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| colspan=3 | None (new district)
||New seat.<br/>Democratic gain.
| nowrap |
|}
Delaware
|-
!
| William H. Heald
| | Republican
| 1908
| | Incumbent retired.<br>Democratic gain.
| nowrap |
|}
Florida
|-
!
| Stephen M. Sparkman
| | Democratic
| 1894
| Incumbent re-elected.
| nowrap |
|-
!
| Frank Clark
| | Democratic
| 1904
| Incumbent re-elected.
| nowrap |
|-
!
| Dannite H. Mays
| | Democratic
| 1908
| | Incumbent lost renomination.<br/>Democratic hold.
| nowrap |
|-
!
| colspan=3 | None (New seat)
| | New seat.<br/>Democratic gain.
| nowrap |
|}
Georgia
<!---->
|-
!
| Charles G. Edwards
| | Democratic
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| Seaborn Roddenbery
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Dudley M. Hughes
| | Democratic
| 1908
| | Incumbent ran in the 12th district.<br/>Democratic hold.
| nowrap |
|-
!
| William C. Adamson
| | Democratic
| 1896
| Incumbent re-elected.
| nowrap |
|-
!
| William S. Howard
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Charles L. Bartlett
| | Democratic
| 1894
| Incumbent re-elected.
| nowrap |
|-
!
| Gordon Lee
| | Democratic
| 1904
| Incumbent re-elected.
| nowrap |
|-
!
| Samuel J. Tribble
| | Independent<br/>Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Thomas M. Bell
| | Democratic
| 1904
| Incumbent re-elected.
| nowrap |
|-
!
| Thomas W. Hardwick
| | Democratic
| 1902
| Incumbent re-elected.
| nowrap |
|-
!
| William G. Brantley
| | Democratic
| 1896
| | Incumbent retired.<br/>Democratic hold.
| nowrap |
|-
!
| colspan=3 | None (New district)
| | New district.<br/>Democratic gain.
| nowrap |
|}
Idaho
<!---->
|-
! rowspan=2 | <br/>
| Burton L. French
| | Republican
| nowrap | 1910
| Incumbent re-elected.
| nowrap rowspan=2 |
|-
| colspan=3 | None (New seat)
| | New seat.<br/>Republican gain.
|}
Illinois
<!---->
|-
!
| Martin B. Madden
| | Republican
| 1904
| Incumbent re-elected.
| nowrap |
|-
!
| James Robert Mann
| | Republican
| 1896
| Incumbent re-elected.
| nowrap |
|-
!
| William W. Wilson
| | Republican
| 1902
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| James T. McDermott
| | Democratic
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| Adolph J. Sabath
| | Democratic
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| Edmund J. Stack
| | Democratic
| 1906
| | Incumbent lost renomination.<br/>Democratic hold.
| nowrap |
|-
!
| Frank Buchanan
| | Democratic
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| Thomas Gallagher
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| Lynden Evans
| | Democratic
| 1910
| | Incumbent lost re-election.<br/>Republican gain.
| nowrap |
|-
!
| George E. Foss
| | Republican
| 1894
| | Incumbent lost re-election.<br/>Progressive gain.
| nowrap |
|-
!
| Ira C. Copley
| | Republican
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Charles E. Fuller
| | Republican
| 1902
| | Incumbent lost re-election.<br/>Progressive gain.
| nowrap |
|-
!
| John C. McKenzie
| | Republican
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| James McKinney
| | Republican
| 1905
| | Incumbent retired.<br/>Democratic gain.
| nowrap |
|-
!
| George W. Prince
| | Republican
| 1895
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| Claude U. Stone
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| John A. Sterling
| | Republican
| 1902
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| Joseph G. Cannon
| | Republican
| 1872
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| William B. McKinley
| | Republican
| 1904
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| Henry T. Rainey
| | Democratic
| 1902
| Incumbent re-elected.
| nowrap |
|-
!
| James M. Graham
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| William A. Rodenberg
| | Republican
| 1898
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| Martin D. Foster
| | Democratic
| 1904
| Incumbent re-elected.
| nowrap |
|-
!
| H. Robert Fowler
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Napoleon B. Thistlewood
| | Republican
| 1908
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
! rowspan=2 | <br/>
| colspan=3 | None (new seat)
| | New seat.<br/>Democratic gain.
| nowrap rowspan=2 |
|-
| colspan=3 | None (new seat)
| | New seat.<br/>Democratic gain.
|}
Indiana
<!---->
|-
!
| John W. Boehne
| | Democratic
| 1908
| | Incumbent retired.<br/>Democratic hold.
| nowrap |
|-
!
| William A. Cullop
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| William E. Cox
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| Lincoln Dixon
| | Democratic
| 1904
| Incumbent re-elected.
| nowrap |
|-
!
| Ralph W. Moss
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| Finly H. Gray
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Charles A. Korbly
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| John A. M. Adair
| | Democratic
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| Martin A. Morrison
| | Democratic
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| Edgar D. Crumpacker
| | Republican
| 1896
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| George W. Rauch
| | Democratic
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| Cyrus Cline
| | Democratic
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| Henry A. Barnhart
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|}
Iowa
<!---->
|-
!
| Charles A. Kennedy
| | Republican
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| Irvin S. Pepper
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Charles E. Pickett
| | Republican
| 1908
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| Gilbert N. Haugen
| | Republican
| 1898
| Incumbent re-elected.
| nowrap |
|-
!
| Gilbert N. Haugen
| | Republican
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| Nathan E. Kendall
| | Republican
| 1908
| | Incumbent renominated but withdrew prior to election.<br/>Democratic gain.
| nowrap |
|-
!
| Solomon F. Prouty
| | Republican
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| Horace M. Towner
| | Republican
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| William R. Green
| | Republican
| 1911
| Incumbent re-elected.
| nowrap |
|-
!
| Frank P. Woods
| | Republican
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| Elbert H. Hubbard
| | Republican
| 1908
| | Incumbent died June 4, 1912.<br> Republican hold.
| nowrap |
|}
Kansas
<!---->
|-
!
| Daniel R. Anthony Jr.
| | Republican
| 1907
| Incumbent re-elected.
| nowrap |
|-
!
| Joseph Taggart
| | Democratic
| 1911
| Incumbent re-elected.
| nowrap |
|-
!
| Philip P. Campbell
| | Republican
| 1902
| Incumbent re-elected.
| nowrap |
|-
!
| Fred S. Jackson
| | Republican
| 1910
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| Rollin R. Rees
| | Republican
| 1910
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| Isaac D. Young
| | Republican
| 1910
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| George A. Neeley
| | Democratic
| 1912
| Incumbent re-elected.
| nowrap |
|-
!
| Victor Murdock
| | Republican
| 1903
| Incumbent re-elected.
| nowrap |
|}
Kentucky
<!---->
|-
!
| Ollie Murray James
| | Democratic
| 1902
| | Incumbent retired to run for U.S. Senator.<br/>Democratic Hold
| nowrap |
|-
!
| Augustus O. Stanley
| | Democratic
| 1902
| Incumbent re-elected.
| nowrap |
|-
!
| Robert Y. Thomas Jr.
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| Ben Johnson
| | Democratic
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| J. Swagar Sherley
| | Democratic
| 1902
| Incumbent re-elected.
| nowrap |
|-
!
| Arthur B. Rouse
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| J. Campbell Cantrill
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| Harvey Helm
| | Democratic
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| William J. Fields
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| John W. Langley
| | Republican
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| Caleb Powers
| | Republican
| 1910
| Incumbent re-elected.
| nowrap |
|}
Louisiana
<!---->
|-
!
| Albert Estopinal
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| H. Garland Dupré
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Robert F. Broussard
| | Democratic
| 1896
| Incumbent re-elected.
| nowrap |
|-
!
| John T. Watkins
| | Democratic
| 1904
| Incumbent re-elected.
| nowrap |
|-
!
| Joseph E. Ransdell
| | Democratic
| 1900
| | Incumbent retired to run for Senate.<br/>Democratic hold.
| nowrap |
|-
!
| Lewis L. Morgan
| | Democratic
| 1912
| Incumbent re-elected.
| nowrap |
|-
!
| Arsène Pujo
| | Democratic
| 1902
| | Incumbent retired.<br/>Democratic hold.
| nowrap |
|-
!
| colspan=3 | None (New district)
||New district.<br/>Democratic gain.
| nowrap |
|}
Maine
<!---->
|-
!
| Asher Hinds
| | Republican
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Daniel J. McGillicuddy
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Samuel W. Gould
| | Democratic
| 1910
| | Incumbent lost re-election.<br/>Republican gain.
| nowrap |
|-
!
| Frank E. Guernsey
| | Republican
| 1908
| Incumbent re-elected.
| nowrap |
|}
Maryland
<!---->
|-
!
| James Harry Covington
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| J. Frederick C. Talbott
| | Democratic
| 1902
| Incumbent re-elected.
| nowrap |
|-
!
| George Konig
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| J. Charles Linthicum
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Thomas Parran
| | Republican
| 1910
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| David John Lewis
| } | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|}
Massachusetts
<!---->
|-
!
| George P. Lawrence
| | Republican
| 1897 <small>(special)</small>
| | Incumbent retired.<br>Republican hold.
| nowrap |
|-
!
| Frederick H. Gillett
| | Republican
| 1892
| Incumbent re-elected.
| nowrap |
|-
!
| William Wilder
| | Republican
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| John A. Thayer
| | Democratic
| 1910
| | Incumbent lost re-election.<br>Republican gain.
| nowrap |
|-
!
| Butler Ames
| | Republican
| 1902
| | Incumbent retired.<br>Republican hold.
| nowrap |
|-
!
| Augustus P. Gardner
| | Republican
| 1902 <small>(special)</small>
| Incumbent re-elected.
| nowrap |
|-
!
| colspan="3" | None (New district)
| | New seat.<br>Democratic gain.
| nowrap |
|-
!
| Samuel W. McCall
| | Republican
| 1892
| | Incumbent retired.<br>Democratic gain.
| nowrap |
|-
!
| Ernest W. Roberts
| | Republican
| 1898
| Incumbent re-elected.
| nowrap |
|-
!
| William Francis Murray
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Andrew J. Peters
| | Democratic
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| James Michael Curley
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| John W. Weeks
| | Republican
| 1904
| Incumbent re-elected.
| nowrap |
|-
!
| Robert O. Harris
| | Republican
| 1910
| | Incumbent lost re-election.<br>Democratic gain.
| nowrap |
|-
!
| William S. Greene
| | Republican
| 1898 <small>(special)</small>
| Incumbent re-elected.
| nowrap |
|-
!
| colspan="3" | None (New district)
| | New district.<br>Democratic gain.
| nowrap |
|}
Michigan
<!---->
|-
!
| Frank E. Doremus
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| William Wedemeyer
| | Republican
| 1910
| | Incumbent lost re-election.<br>Democratic gain.
| nowrap |
|-
!
| John M. C. Smith
| | Republican
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Edward L. Hamilton
| | Republican
| 1896
| Incumbent re-elected.
| nowrap |
|-
!
| Edwin F. Sweet
| | Democratic
| 1910
| | Incumbent lost re-election.<br>Republican gain.
| nowrap |
|-
!
| Samuel W. Smith
| | Republican
| 1896
| Incumbent re-elected.
| nowrap |
|-
!
| Henry McMorran
| | Republican
| 1902
| | Incumbent retired.<br>Republican hold.
| nowrap |
|-
!
| Joseph W. Fordney
| | Republican
| 1898
| Incumbent re-elected.
| nowrap |
|-
!
| James C. McLaughlin
| | Republican
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| George A. Loud
| | Republican
| 1902
| | Incumbent lost re-election.<br>Progressive gain.
| nowrap |
|-
!
| Francis H. Dodds
| | Republican
| 1908
| | Incumbent lost renomination.<br>Republican hold.
| nowrap |
|-
!
| H. Olin Young
| | Republican
| 1902
| | Incumbent lost re-election.<br>Progressive gain.
| nowrap |
|-
!
| colspan="3" | New district.
| | New seat.<br>Republican gain.
| nowrap |
|}
Minnesota
<!---->
|-
!
| Sydney Anderson
| | Republican
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Winfield Scott Hammond
| | Democratic
| 1892
| Incumbent re-elected.
| nowrap |
|-
!
| Charles Russell Davis
| | Republican
| 1902
| Incumbent re-elected.
| nowrap |
|-
!
| Frederick Stevens
| | Republican
| 1896
| Incumbent re-elected.
| nowrap |
|-
!
| Frank M. Nye
| | Republican
| 1906
| | Incumbent retired.<br>Republican hold.
| nowrap |
|-
!
| Charles Lindbergh
| | Republican
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| Andrew Volstead
| | Republican
| 1906
| Incumbent re-elected.
| nowrap | Andrew Volstead (Republican) 100%
|-
!
| Clarence B. Miller
| | Republican
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| Halvor Steenerson
| | Republican
| 1902
| Incumbent re-elected.
| nowrap |
|-
!
| colspan="3" | None (new seat)
| | New seat.<br>Republican gain.
| nowrap |
|}
Mississippi
<!---->
|-
!
| Ezekiel S. Candler Jr.
| | Democratic
| 1900
| Incumbent re-elected.
| nowrap |
|-
!
| Hubert D. Stephens
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Benjamin G. Humphreys II
| | Democratic
| 1902
| Incumbent re-elected.
| nowrap |
|-
!
| Thomas U. Sisson
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| Samuel A. Witherspoon
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Pat Harrison
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| William A. Dickson
| | Democratic
| 1908
| | Incumbent retired.<br/>Democratic hold.
| nowrap |
|-
!
| James Collier
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|}
Missouri
<!---->
|-
!
| James T. Lloyd
| | Democratic
| 1898
| Incumbent re-elected.
| nowrap |
|-
!
| William W. Rucker
| | Democratic
| 1898
| Incumbent re-elected.
| nowrap |
|-
!
| Joshua W. Alexander
| | Democratic
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| Charles F. Booher
| | Democratic
| 1889
| Incumbent re-elected.
| nowrap |
|-
!
| William P. Borland
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| Clement C. Dickinson
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Courtney W. Hamlin
| | Democratic
| 1902
| Incumbent re-elected.
| nowrap |
|-
!
| Dorsey W. Shackleford
| | Democratic
| 1899
| Incumbent re-elected.
| nowrap |
|-
!
| Champ Clark
| | Democratic
| 1892
| Incumbent re-elected.
| nowrap |
|-
!
| Richard Bartholdt
| | Republican
| 1892
| Incumbent re-elected.
| nowrap |
|-
!
| Patrick F. Gill
| | Democratic
| 1908
| | Incumbent lost renomination.<br/>Democratic hold.
| nowrap |
|-
!
| Leonidas C. Dyer
| | Republican
| 1910
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| Walter L. Hensley
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Joseph J. Russell
| | Democratic
| 1904
| Incumbent re-elected.
| nowrap |
|-
!
| James A. Daugherty
| | Democratic
| 1910
| | Incumbent lost re-nomination.<br/>Democratic hold.
| nowrap |
|-
!
| Thomas L. Rubey
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|}
Montana
<!---->
|-
! rowspan=2 | <br/>
| Charles N. Pray
| | Republican
| nowrap | 1906
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap rowspan=2 |
|-
| colspan=3 | None (new seat)
| | New seat.<br/>Democratic gain.
|}
Nebraska
<!---->
|-
!
| John A. Maguire
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| Charles O. Lobeck
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Dan V. Stephens
| | Democratic
| 1911 <small>(special)</small>
| Incumbent re-elected.
| nowrap |
|-
!
| Charles H. Sloan
| | Republican
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| George W. Norris
| | Republican
| 1902
| | Incumbent retired to run for U.S. senator.<br/>Republican hold.
| nowrap |
|-
!
| Moses Kinkaid
| | Republican
| 1902
| Incumbent re-elected.
| nowrap |
|}
Nevada
<!---->
|-
!
| Edwin E. Roberts
| | Republican
| 1910
| Incumbent re-elected.
| nowrap |
|}
New Hampshire
<!---->
|-
!
| Cyrus A. Sulloway
| | Republican
| 1894
| | Incumbent lost re-election.<br>Democratic gain.
| nowrap |
|-
!
| Frank D. Currier
| | Republican
| 1900
| | Incumbent lost re-election.<br>Democratic gain.
| nowrap |
|}
New Jersey
<!---->
|-
!
| William J. Browning
| | Republican
| 1911
| Incumbent re-elected.
| nowrap |
|-
!
| John J. Gardner
| | Republican
| 1892
| | Incumbent lost re-election.<br>Democratic gain.
| nowrap |
|-
!
| Thomas J. Scully
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Ira W. Wood
| | Republican
| 1904
| | Incumbent retired.<br>Democratic gain.
| nowrap |
|-
!
| William E. Tuttle Jr.
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| colspan=3 | Vacant
| | William Hughes (D) resigned after appointment as judge of Passaic County Court of Common Pleas.<br/>Democratic hold.
| nowrap |
|-
!
| colspan=3 | None (New district)
| | New district.<br>Democratic gain.
| nowrap |
|-
!
| Eugene F. Kinkead<br/>
| | Democratic
| 1908
| Incumbent red-elected.
| nowrap |
|-
!
| Walter I. McCoy<br/>
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Edward W. Townsend<br/>
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| colspan=3 | None (New district)
| | New district.<br/>Democratic gain.
| nowrap |
|-
!
| James A. Hamill<br/>
|
| 1906
| Incumbent re-elected.
| nowrap |
|}
New Mexico
<!---->
|-
! rowspan=2 |
| Harvey B. Fergusson
| | Democratic
| 1911
| Incumbent re-elected.
| nowrap rowspan=2 |
|-
| George Curry
| | Republican
| 1911
| | Incumbent retired.<br/>Seat eliminated in reapportionment.<br/>Republican loss.
|}
New York
<!---->
|-
!
| Martin W. Littleton
| | Democratic
| 1910
| | Incumbent retired.<br/>Democratic hold.
| nowrap |
|-
!
| George H. Lindsay
| | Democratic
| 1900
| | Incumbent retired.<br/>Democratic hold.
| nowrap |
|-
!
| Frank E. Wilson<br/>
| | Democratic
| 1898
| Incumbent re-elected.
| nowrap |
|-
!
| colspan=3 | None (New district)
| | New district.<br/>Democratic gain.
| nowrap |
|-
! rowspan=2 |
| William C. Redfield
| | Democratic
| 1908
| | Incumbent retired.<br/>Democratic loss.
| rowspan=2 nowrap |
|-
| James P. Maher<br/>
| | Democratic
| 1908
| Incumbent re-elected.
|-
!
| William M. Calder
| | Republican
| 1904
| Incumbent re-elected
| nowrap |
|-
!
| John J. Fitzgerald
| | Democratic
| 1898
| Incumbent re-elected
| nowrap |
|-
!
| colspan=3 | None (New district)
| | New district.<br/>Democratic gain.
| nowrap |
|-
!
| colspan=3 | None (New district)
| | New district.<br/>Democratic gain.
| nowrap |
|-
!
| William Sulzer
| | Democratic
| 1894
| | Incumbent retired to run for Governor of New York.<br/>Democratic hold.
| nowrap |
|-
! rowspan=2 |
| Charles V. Fornes
| | Democratic
| 1896
| | Incumbent retired.<br/>Democratic loss.
| rowspan=2 nowrap |
|-
| Daniel J. Riordan<br/>
| | Democratic
| 1898
| Incumbent re-elected.
|-
!
| Henry M. Goldfogle<br/>
| | Democratic
| 1900
| Incumbent re-elected.
| nowrap |
|-
!
| colspan=3 | None (New district)
| | New district.<br/>Democratic gain.
| nowrap |
|-
! rowspan=2 |
| John J. Kindred
| | Democratic
| 1910
| | Incumbent retired.<br/>Democratic loss.
| rowspan=2 nowrap |
|-
| Jefferson M. Levy<br/>
| | Democratic
| 1898
| Incumbent re-elected.
|-
!
| Michael F. Conry<br/>
| | Democratic
| 1896
| Incumbent re-elected.
| nowrap |
|-
!
| colspan=3 | None (New district)
| | New district.<br/>Democratic gain.
| nowrap |
|-
!
| colspan=3 | None (New district)
| | New district.<br/>Democratic gain.
| nowrap |
|-
! rowspan=2 |
| Steven Beckwith Ayres
| | Democratic
| 1910
| | Incumbent lost renomination.<br/>Democratic loss.
| rowspan=2 nowrap |
|-
| Thomas G. Patten<br/>
| | Democratic
| 1910
| Incumbent re-elected.
|-
!
| John Emory Andrus
| | Republican
| 1904
| | Incumbent retired.<br/>Progressive gain.
| nowrap |
|-
! rowspan=2 |
| Thomas W. Bradley
| | Republican
| 1902
| | Incumbent retired.<br/>Republican loss.
| rowspan=2 nowrap |
|-
| Francis Burton Harrison<br/>
| | Democratic
| 1902
| Incumbent re-elected.
|-
! rowspan=2 |
| Richard E. Connell
| | Democratic
| 1896
| | Incumbent won renomination, but died.<br/>Democratic loss.
| rowspan=2 nowrap |
|-
| Henry George Jr.<br/>
| | Democratic
| 1910
| Incumbent re-elected.
|-
!
| William H. Draper
| | Republican
| 1900
| | Incumbent retired.<br/>Democratic gain.
| nowrap |
|-
!
| Henry S. De Forest
| | Republican
| 1910
| | Incumbent lost renomination.<br/>Democratic gain.
| nowrap |
|-
!
| colspan=3 | None (New district)
| | Incumbent ran in NY 34.<br/>Democratic gain.
| nowrap |
|-
!
| Theron Akin
| | Progressive
| 1910
| | Incumbent lost renomination.<br/>Democratic gain.
| nowrap |
|-
!
| colspan=3 | None (New district)
| | New district.<br/>Republican gain.
| nowrap |
|-
!
| colspan=3 | None (New district)
| | New district.<br/>Democratic gain.
| nowrap |
|-
!
| colspan=3 | None (New district)
| | Incumbent ran in NY 32.<br/>Democratic gain.
| nowrap |
|-
!
| colspan=3 | None (New district)
| | New district.<br/>Republican gain.
| nowrap |
|-
!
| John W. Dwight
| | Republican
| 1902
| | Incumbent retired.<br/>Republican hold.
| nowrap |
|-
!
| Edwin A. Merritt<br/>
| | Republican
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Luther W. Mott<br/>
| | Republican
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Charles A. Talcott<br/>
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| George W. Fairchild<br/>
| | Republican
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| Michael E. Driscoll<br/>
| | Republican
| 1898
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| Sereno E. Payne<br/>
| | Republican
| 1882
| Incumbent re-elected.
| nowrap |
|-
!
| Edwin S. Underhill<br/>
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| colspan=3 | None (New district)
| | New district.<br/>Republican gain.
| nowrap |
|-
!
| Henry G. Danforth<br/>
| | Republican
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| James S. Simmons<br/>
| | Republican
| 1908
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
! rowspan=2 |
| Edward B. Vreeland<br/>
| | Republican
| 1910
| | Incumbent lost renomination.<br/>Republican loss.
| rowspan=2 nowrap |
|-
| Charles Bennett Smith<br/>
| | Democratic
| 1910
| Incumbent re-elected.
|-
!
| Daniel A. Driscoll<br/>
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| colspan=3 | None (New district)
| | New district.<br/>Republican gain.
| nowrap |
|}
North Carolina
<!---->
|-
!
| John H. Small
| | Democratic
| 1898
| Incumbent re-elected.
| nowrap |
|-
!
| Claude Kitchin
| | Democratic
| 1898
| Incumbent re-elected.
| nowrap |
|-
!
| John M. Faison
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Edward W. Pou
| | Democratic
| 1896
| Incumbent re-elected.
| nowrap |
|-
!
| Charles M. Stedman
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Hannibal L. Godwin
| | Democratic
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| Robert N. Page
| | Democratic
| 1902
| Incumbent re-elected.
| nowrap |
|-
!
| Robert L. Doughton
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| E. Yates Webb
| | Democratic
| 1902
| Incumbent re-elected.
| nowrap |
|-
!
| James M. Gudger Jr.
| | Democratic
| 1902
| Incumbent re-elected.
| nowrap |
|}
North Dakota
<!---->
|-
!
| Henry T. Helgesen<br/>
| | Republican
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| colspan=3 | None (new district)
| | New seat.<br/>Republican gain.
| nowrap |
|-
!
| colspan=3 | None (new district)
| | New seat.<br/>Republican gain.
| nowrap |
|}
Ohio
<!---->
|-
!
| Nicholas Longworth
| | Republican
| 1902
| | Incumbent lost reelection.<br/>Democratic gain.
| nowrap |
|-
!
| Alfred G. Allen
| | Democratic
| 1910
| Incumbent reelected.
| nowrap |
|-
!
| James M. Cox
| | Democratic
| 1908
| | Incumbent retired to run for Ohio Governor.<br/>Democratic hold.
| nowrap |
|-
!
| J. Henry Goeke
| | Democratic
| 1910
| Incumbent reelected.
| nowrap |
|-
!
| Timothy T. Ansberry
| | Democratic
| 1904
| Incumbent reelected.
| nowrap |
|-
!
| Matthew Denver
| | Democratic
| 1906
| | Incumbent retired.<br/>Republican gain.
| nowrap |
|-
!
| James D. Post
| | Democratic
| 1910
| Incumbent reelected.
| nowrap |
|-
!
| Frank B. Willis
| | Republican
| 1910
| Incumbent reelected.
| nowrap |
|-
!
| Isaac R. Sherwood
| | Democratic
| 1872
| Incumbent reelected.
| nowrap |
|-
!
| Robert M. Switzer
| | Republican
| 1910
| Incumbent reelected.
| nowrap |
|-
!
| Horatio C. Claypool
| | Democratic
| 1910
| Incumbent reelected.
| nowrap |
|-
!
| Edward L. Taylor Jr.
| | Republican
| 1904
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| Carl C. Anderson
| | Democratic
| 1908
| | Incumbent died.<br/>Democratic hold.
| nowrap |
|-
!
| William G. Sharp
| | Democratic
| 1900
| Incumbent re-elected.
| nowrap |
|-
!
| George White
| | Democratic
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| William B. Francis
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| William A. Ashbrook
| | Democratic
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| John J. Whitacre
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| Ellsworth R. Bathrick
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| L. Paul Howland
| | Republican
| 1906
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| Robert J. Bulkley
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|}
Oklahoma
<!---->
|-
!
| Bird S. McGuire
|
| 1907
| Incumbent re-elected.
| nowrap |
|-
!
| Dick T. Morgan
|
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| James S. Davenport
|
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Charles D. Carter
|
| 1907
| Incumbent re-elected.
| nowrap |
|-
!
| Scott Ferris
|
| 1907
| Incumbent re-elected.
| nowrap |
|-
! rowspan=3 | <br>
| colspan=3 | None (new seat)
| | New seat.<br>Democratic gain.
| rowspan=3 nowrap |
|-
| colspan=3 | None (new seat)
| | New seat.<br>Democratic gain.
|-
| colspan=3 | None (new seat)
| | New seat.<br>Democratic gain.
|}
Oregon
<!---->
|-
!
| Willis C. Hawley
| | Republican
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| colspan=3 | None (new district)
| | New seat.<br/>Republican gain.
| nowrap |
|-
!
| Walter Lafferty<br/>
| | Republican
| 1910
| Incumbent re-elected.
| nowrap |
|}
Pennsylvania
<!---->
|-
!
| William Scott Vare
| | Republican
| 1912
| Incumbent re-elected.
| nowrap |
|-
!
| William S. Reyburn
| | Republican
| 1911
| | Incumbent withdrew from primary.<br/>Republican hold.
| nowrap |
|-
!
| J. Hampton Moore
| | Republican
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| Reuben Moon
| | Republican
| 1903
| | Incumbent lost renomination.<br/>Republican hold.
| nowrap |
|-
!
| Michael Donohoe
| | Democratic
| 1908
| Incumbent re-elected
| nowrap |
|-
!
| George D. McCreary
| | Republican
| 1902
| | Incumbent retired.<br/>Democratic gain.
| nowrap |
|-
!
| Thomas S. Butler
| | Republican
| 1896
| Incumbent re-elected
| nowrap |
|-
!
| Robert E. Difenderfer
| | Democratic
| 1910
| Incumbent re-elected
| nowrap |
|-
!
| William Walton Griest
| | Republican
| 1908
| Incumbent re-elected
| nowrap |
|-
!
| John R. Farr
| | Republican
| 1908
| Incumbent re-elected
| nowrap |
|-
!
| Charles C. Bowman
| | Republican
| 1910
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| Robert Emmett Lee
| | Democratic
| 1908
| Incumbent re-elected
| nowrap |
|-
!
| John H. Rothermel
| | Democratic
| 1906
| Incumbent re-elected
| nowrap |
|-
!
| William D. B. Ainey
| | Republican
| 1911
| Incumbent re-elected
| nowrap |
|-
!
| William B. Wilson
| | Democratic
| 1906
| | Incumbent lost re-election.<br/>Republican gain.
| nowrap |
|-
!
| John G. McHenry
| | Democratic
| 1906
| | Incumbent died.<br/>Democratic hold.
| nowrap |
|-
!
| Benjamin K. Focht
| | Republican
| 1900
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| Marlin E. Olmsted
| | Republican
| 1896
| | Incumbent retired.<br/>Republican hold.
| nowrap |
|-
!
| Jesse L. Hartman
| | Republican
| 1910
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| Daniel F. Lafean
| | Republican
| 1902
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| Charles E. Patton
| | Republican
| 1910
| Incumbent re-elected
| nowrap |
|-
!
| Curtis H. Gregg
| | Democratic
| 1900
| | Incumbent lost re-election.<br/>Republican gain.
| nowrap |
|-
!
| Thomas S. Crago
| | Republican
| 1910
| | Incumbent lost re-election.<br/>Democratic gain.
| nowrap |
|-
!
| Charles Matthews
| | Republican
| 1910
| | Incumbent lost re-election.<br/>Progressive gain.
| nowrap |
|-
!
| Arthur L. Bates
| | Republican
| 1900
| | Incumbent retired.<br/>Republican hold.
| nowrap |
|-
!
| A. Mitchell Palmer
| | Democratic
| 1908
| Incumbent re-elected
| nowrap |
|-
!
| J. N. Langham
| | Republican
| 1908
| Incumbent re-elected
| nowrap |
|-
!
| Peter M. Speer
| | Republican
| 1910
| | Incumbent lost re-election.<br/>Progressive gain.
| nowrap |
|-
!
| Stephen G. Porter
| | Republican
| 1910
| Incumbent re-elected
| nowrap |
|-
!
| John Dalzell
| | Republican
| 1886
| | Incumbent lost renomination.<br/>Republican hold.
| nowrap |
|-
!
| James F. Burke
| | Republican
| 1902
| Incumbent re-elected
| nowrap |
|-
!
| Andrew J. Barchfeld
| | Republican
| 1902
| Incumbent re-elected
| nowrap |
|-
! rowspan=4 |
| colspan=3 | None (New seat)
| |New seat.<br/>Republican gain.
| nowrap |
|-
| colspan=3 | None (New seat)
| |New seat.<br/>Republican gain.
| nowrap |
|-
| colspan=3 | None (New seat)
| |New seat.<br/>Republican gain.
| nowrap |
|-
| colspan=3 | None (New seat)
| |New seat.<br/>Republican gain.
| nowrap |
|}
Rhode Island
<!---->
|-
!
| George F. O'Shaunessy
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| | George H. Utter
| | Republican
| 1910
| | Incumbent died.<br>Democratic gain.
| nowrap |
|-
!
| colspan=3 | None (new district)
| | New seat.<br/>Republican gain.
| nowrap |
|}
South Carolina
|-
!
| George Swinton Legaré
| | Democratic
| 1902
| Incumbent re-elected.
| nowrap |
|-
!
| James F. Byrnes
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Wyatt Aiken
| | Democratic
| 1902
| Incumbent re-elected.
| nowrap |
|-
!
| Joseph T. Johnson
| | Democratic
| 1900
| Incumbent re-elected.
| nowrap |
|-
!
| David E. Finley
| | Democratic
| 1898
| Incumbent re-elected.
| nowrap |
|-
!
| J. Edwin Ellerbe
| | Democratic
| 1904
| | Incumbent lost renomination.<br/>Democratic hold.
| nowrap |
|-
!
| A. Frank Lever
| | Democratic
| 1900
| Incumbent re-elected.
| nowrap |
|}
South Dakota
<!---->
|-
!
| colspan=3 | None (new district)
| | New seat.<br/>Republican gain.
| nowrap |
|-
!
| Charles H. Burke<br/>
| | Republican
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| Eben Martin<br/>
| | Republican
| 1908
| Incumbent re-elected.
| nowrap |
|}
Tennessee
<!---->
|-
!
| Sam R. Sells
| | Republican
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Richard W. Austin
| | Republican
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| John A. Moon
| | Democratic
| 1896
| Incumbent re-elected.
| nowrap |
|-
!
| Cordell Hull
| | Democratic
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| William C. Houston
| | Democratic
| 1904
| Incumbent re-elected.
| nowrap |
|-
!
| Jo Byrns
| | Democratic
| 1908
| Incumbent re-elected.
| nowrap |
|-
!
| Lemuel P. Padgett
| | Democratic
| 1900
| Incumbent re-elected.
| nowrap |
|-
!
| Thetus W. Sims
| | Democratic
| 1896
| Incumbent re-elected.
| nowrap |
|-
!
| Finis J. Garrett
| | Democratic
| 1904
| Incumbent re-elected.
| nowrap |
|-
!
| Kenneth McKellar
| | Democratic
| 1911 (special)
| Incumbent re-elected.
|
|}
Texas
<!---->
|-
!
| Morris Sheppard
| | Democratic
| 1902
| | Incumbent retired to run for State Senate.<br/>Democratic hold.
| nowrap |
|-
!
| Martin Dies
| | Democratic
| 1908
| Incumbent re-elected
| nowrap |
|-
!
| James Young
| | Democratic
| 1910
| Incumbent re-elected
| nowrap |
|-
!
| Choice B. Randell
| | Democratic
| 1900
| | Incumbent retired to run for State Senate.<br/>Democratic hold.
| nowrap |
|-
!
| James Andrew Beall
| | Democratic
| 1902
| Incumbent re-elected
| nowrap |
|-
!
| Rufus Hardy
| | Democratic
| 1906
| Incumbent re-elected
| nowrap |
|-
!
| Alexander W. Gregg
| | Democratic
| 1902
| Incumbent re-elected
| nowrap |
|-
!
| John M. Moore
| | Democratic
| 1905
| | Incumbent retired.<br/>Democratic hold.
| nowrap |
|-
!
| George F. Burgess
| | Democratic
| 1900
| Incumbent re-elected
| nowrap |
|-
!
| Albert S. Burleson
| | Democratic
| 1898
| Incumbent re-elected
| nowrap |
|-
!
| Robert L. Henry
| | Democratic
| 1896
| Incumbent re-elected
| nowrap |
|-
!
| Oscar Callaway
| | Democratic
| 1910
| Incumbent re-elected
| nowrap |
|-
!
| John H. Stephens
| | Democratic
| 1896
| Incumbent re-elected
| nowrap |
|-
!
| James L. Slayden
| | Democratic
| 1896
| Incumbent re-elected
| nowrap |
|-
!
| John Nance Garner
| | Democratic
| 1902
| Incumbent re-elected
| nowrap |
|-
!
| William R. Smith
| | Democratic
| 1902
| Incumbent re-elected
| nowrap |
|-
! rowspan=2 |
| colspan="3" | None (new district)
| | New seat.<br>Democratic gain.
| Daniel E. Garrett (Democratic)
|-
| colspan="3" | None (new district)
| | New seat.<br>Democratic gain.
| Hatton W. Sumners (Democratic)
|}
Utah
<!---->
The Utah election consisted of an all-party general ticket election to the two at-large seats. Howell was elected to the first at-large seat, while Johnson was elected to the second at-large seat, but they were nevertheless placed in districts.
|-
!
| Joseph Howell<br/>
| | Republican
| nowrap | 1902
| Incumbent re-elected.
| rowspan=2 nowrap |
|-
!
| colspan=3 | None (new district)
| | New district.<br/>Republican gain.
|}
Vermont
<!---->
|-
!
| Frank L. Greene
| | Republican
| 1912 <small>(special)</small>
| Incumbent re-elected.
| nowrap |
|-
!
| Frank Plumley
| | Republican
| 1908
| Incumbent re-elected.
| nowrap |
|}
Virginia
<!---->
|-
!
| William A. Jones
| | Democratic
| 1890
| Incumbent re-elected.
| nowrap |
|-
!
| Edward E. Holland
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| John Lamb
| | Democratic
| 1896
| | Incumbent retired.<br/>Democratic hold.
| nowrap |
|-
!
| Robert Turnbull
| | Democratic
| 1910
| | Incumbent lost renomination.<br/>Democratic hold.
| nowrap |
|-
!
| Edward W. Saunders
| | Democratic
| 1906
| Incumbent re-elected.
| nowrap |
|-
!
| Carter Glass
| | Democratic
| 1902
| Incumbent re-elected.
| nowrap |
|-
!
| James Hay
| | Democratic
| 1896
| Incumbent re-elected.
| nowrap |
|-
!
| Charles C. Carlin
| | Democratic
| 1907
| Incumbent re-elected.
| nowrap |
|-
!
| C. Bascom Slemp
| | Republican
| 1907
| Incumbent re-elected.
| nowrap |
|-
!
| Henry D. Flood
| | Democratic
| 1900
| Incumbent re-elected.
| nowrap |
|}
Washington
<!---->
|-
!
| William E. Humphrey
| | Republican
| 1902
| Incumbent re-elected.
| nowrap |
|-
!
| Stanton Warburton
| | Republican
| 1910
| | Incumbent lost re-election as a Progressive.<br>Republican hold.
| nowrap |
|-
!
| William La Follette
| | Republican
| 1910
| Incumbent re-elected.
| nowrap |
|-
! rowspan=2 | <br/>
| colspan=3 | None (new seat)
| | New seat.<br/>Progressive gain.
| rowspan=2 nowrap |
|-
| colspan=3 | None (new seat)
| | New seat.<br/>Progressive gain.
|}
West Virginia
<!---->
|-
!
| John W. Davis
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| William G. Brown Jr.
| | Democratic
| 1910
| Incumbent re-elected.
| nowrap |
|-
!
| Adam Brown Littlepage
| | Democratic
| 1910
| | Incumbent lost re-election.<br/>Republican gain.
| nowrap |
|-
!
| John M. Hamilton
| | Democratic
| 1910
| | Incumbent lost re-election.<br/>Republican gain.
| nowrap |
|-
!
| James A. Hughes
| | Republican
| 1900
| Incumbent re-elected.
| nowrap |
|-
!
| colspan=3 | None (new seat)
| | New seat.<br/>Republican gain.
| nowrap |
|}
Wisconsin
|-
!
| Henry Allen Cooper
|
| 1890
| Incumbent re-elected.
| nowrap |
|-
!
| Michael E. Burke<br/>
|
| 1910
| Incumbent re-elected.
| nowrap |
|-
! rowspan=2 |
| Arthur W. Kopp
|
| 1908
| | Incumbent retired.<br>Republican loss.
| rowspan=2 nowrap |
|-
| John M. Nelson<br/>
|
| 1906
| Incumbent re-elected.
|-
!
| William J. Cary
|
| 1906
| | Incumbent re-elected as a Democrat.<br>Democratic gain.
| nowrap |
|-
!
| Victor L. Berger
| | Social<br/>Democratic
| 1910
| | Incumbent lost re-election.<br>Republican gain.
| nowrap |
|-
!
| James H. Davidson<br/>
|
| 1896
| | Incumbent lost re-election.<br>Democratic gain.
| nowrap |
|-
!
| John J. Esch
|
| 1898
| Incumbent re-elected.
| nowrap |
|-
!
| colspan=3 | None (new district)
| | New seat.<br>Republican gain.
| nowrap |
|-
! rowspan=2 |
| Thomas F. Konop
|
| 1910
| Incumbent re-elected.
| rowspan=2 nowrap |
|-
| Elmer A. Morse<br/>
|
| 1906
| | Incumbent lost re-election.<br/>Republican loss.
|-
!
| colspan=3 | None (new district)
| | New seat.<br>Republican gain.
| nowrap |
|-
!
| Irvine Lenroot
|
| 1908
| Incumbent re-elected.
| nowrap |
|}
Wyoming
|-
!
| Frank W. Mondell
| | Republican
| 1898
| Incumbent re-elected.
| nowrap |
|}
Non-voting delegates
Alaska Territory
<!---->
Alaska Territory elected its non-voting delegate on August 13, 1912.
|-
!
| James Wickersham
| | Republican
| 1908
| | Incumbent re-elected as a Progressive.<br/>Progressive gain.
| nowrap |
|}
Hawaii Territory
<!---->
|-
!
| Jonah Kūhiō Kalanianaʻole
| | Republican
| 1902
| Incumbent re-elected.
| nowrap |
|}
See also
- 1912 United States elections
- 1912 United States presidential election
- 1912–13 United States Senate elections
- 62nd United States Congress
- 63rd United States Congress
Notes
References
Bibliography
External links
- Office of the Historian (Office of Art & Archives, Office of the Clerk, U.S. House of Representatives)