1900 | Incumbent re-elected. | nowrap rowspan=2 | |- | Burleigh F. Spalding | | Republican | nowrap | 1902 | | Incumbent lost renomination.New member elected.Republican hold. |} Ohio Oregon |- ! | Binger Hermann | | Republican | 1903 (special) | Incumbent re-elected. | nowrap | |- ! | John N. Williamson | | Republican | 1902 | Incumbent re-elected. | nowrap | |} Pennsylvania Rhode Island South Carolina |- | | George Swinton Legaré | | Democratic | 1902 | Incumbent re-elected. | nowrap | |- | | George W. Croft | | Democratic | 1902 | | Incumbent retired.New member elected.Democratic hold. | 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 | |- | | Robert B. Scarborough | | Democratic | 1900 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- | | Asbury F. Lever | | Democratic | 1901 | Incumbent re-elected. | nowrap | |} South Dakota |- ! rowspan=2 | | Charles H. Burke | | Republican | 1898 | Incumbent re-elected. | rowspan=2 nowrap | |- | Eben Martin | | Republican | 1900 | Incumbent re-elected. |} Tennessee |- ! | Walter P. Brownlow | | Republican | 1896 | Incumbent re-elected. | nowrap | |- ! | Henry R. Gibson | | Republican | 1894 | |Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | John A. Moon | | Democratic | 1896 | Incumbent re-elected. | nowrap | |- ! | Morgan C. Fitzpatrick | | Democratic | 1902 | |Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | James D. Richardson | | Democratic | 1884 | |Incumbent retired.New member elected.Democratic hold. | 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 | |- ! | Rice A. Pierce | | Democratic | 1896 | |Incumbent lost renomination.New member elected.Democratic hold. | nowrap |