| Elmer L. Fulton | | 1907 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | James S. Davenport | | 1907 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | Charles D. Carter | | 1907 | Incumbent re-elected. | nowrap | |- ! | Scott Ferris | | 1907 | Incumbent re-elected. | nowrap | |} Oregon |- ! | Willis C. Hawley | | Republican | 1906 | Incumbent re-elected. | nowrap | |- ! | William R. Ellis | | Republican | 1906 | Incumbent re-elected. | nowrap | |} Pennsylvania Rhode Island South Carolina |- ! | George Swinton Legaré | | Democratic | 1902 | Incumbent re-elected. | nowrap | |- ! | James O'H. Patterson | | Democratic | 1904 | 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 re-elected. | nowrap | |- ! | Asbury F. Lever | | Democratic | 1901 | Incumbent re-elected. | nowrap | |} South Dakota |- ! rowspan=2 | | Philo Hall | | Republican | 1906 | | Incumbent lost renomination.New member elected.Republican hold. | rowspan=2 nowrap | |- | colspan=3 | Vacant (incumbent died June 26, 1908) | | New member elected.Republican hold. |} Tennessee |- ! | Walter P. Brownlow | | Republican | 1896 | Incumbent re-elected. | nowrap | |- ! | Nathan W. Hale | | Republican | 1904 | |Incumbent lost re-election.New member elected.Republican hold. | 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 | |- ! | John W. Gaines | | Democratic | 1896 | |Incumbent lost renomination.New member elected.Democratic hold. | nowrap | |- ! | Lemuel P. Padgett | | Democratic | 1900 | Incumbent re-elected. | nowrap | |- !