| Incumbent re-elected. | nowrap rowspan=2 | |- | Asle Gronna | | Republican | nowrap | 1904 | Incumbent re-elected. |} Ohio Oregon |- ! | Binger Hermann | | Republican | 1903 (special) | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | John N. Williamson | | Republican | 1902 | | Incumbent retired.New member elected.Republican hold. | nowrap | |} Pennsylvania Rhode Island South Carolina South Dakota |- ! rowspan=2 | | Charles H. Burke | | Republican | 1898 | | Incumbent lost renomination.New member elected.Republican hold. | rowspan=2 nowrap | |- | Eben Martin | | Republican | 1900 | | Incumbent retired to run for U.S. senator.New member elected.Republican hold. |} Tennessee |- ! | Walter P. Brownlow | | Republican | 1896 | Incumbent re-elected. | nowrap | |- ! | Nathan W. Hale | | Republican | 1904 | Incumbent re-elected. | nowrap | |- ! | John A. Moon | | Democratic | 1896 | Incumbent re-elected. | nowrap | |- ! | Mounce G. Butler | | Democratic | 1904 | |Incumbent lost renomination.New member elected.Democratic hold. | nowrap | |- ! | William C. Houston | | Democratic | 1904 | Incumbent re-elected. | nowrap | |- ! | John W. Gaines | | Democratic | 1896 | 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 | |- ! | Malcolm R. Patterson | | Democratic | 1900 | |Incumbent retired to run for Governor.New member elected.Democratic hold. | |} Texas Utah Vermont Virginia Washington West Virginia |- ! | Blackburn B. Dovener | | Republican | 1894 | | Incumbent lost renomination.New member elected.Republican hold. | nowrap | |- ! | Thomas B. Davis | | Democratic | 1905 (special) | | Incumbent retired.New member elected.Republican gain. | nowrap | |- ! | Joseph H. Gaines | | Republican | 1900 | Incumbent re-elected. | nowrap | |- ! | Harry C. Woodyard | | Republican | 1902 | Incumbent re-elected. | nowrap | |- ! | James A. Hughes | | Republican | 1900 | Incumbent