| nowrap | |- ! | colspan="3" | Vacant | | Rep. William F. Murry (D) resigned September 28, 1914, to become Postmaster of Boston.New member elected.Democratic hold. | nowrap | |- ! | colspan="3" | Vacant | | Rep. Andrew J. Peters (D) resigned August 15, 1914, to become United States Assistant Secretary of the Treasury.New member elected.Republican gain. | nowrap | |- ! | James A. Gallivan | | Democratic | 1914 | Incumbent re-elected. | nowrap | |- ! | John Joseph Mitchell | | Democratic | 1913 | Incumbent re-elected. | nowrap | |- ! | Edward Gilmore | | Democratic | 1912 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | William S. Greene | | Republican | 1898 | Incumbent re-elected. | nowrap | |- ! | Thomas Chandler Thacher | | Democratic | 1912 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |} Michigan |- ! | Frank E. Doremus | | Democratic | 1910 | Incumbent re-elected. | nowrap | |- ! | Samuel W. Beakes | | Democratic | 1912 | Incumbent re-elected. | nowrap | |- ! | John M. C. Smith | | Republican | 1910 | Incumbent re-elected. | nowrap | |- ! | Edward L. Hamilton | | Republican | 1896 | Incumbent re-elected. | nowrap | |- ! | Carl E. Mapes | | Republican | 1912 | Incumbent re-elected. | nowrap | |- ! | Samuel W. Smith | | Republican | 1896 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | Louis C. Cramton | | Republican | 1912 | Incumbent re-elected. | nowrap | |- ! | Joseph W. Fordney | | Republican | 1898 | Incumbent re-elected. | nowrap | |- ! | James C. McLaughlin | | Republican | 1906 | Incumbent re-elected. | nowrap | |- ! | Roy O. Woodruff | | Progressive | 1912 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | Francis O. Lindquist | | Republican | 1912 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | William J. MacDonald | | Progressive | 1912 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | Patrick H. Kelley | | Republican | 1912 | | Incumbent ran for Michigan's 6th congressional