| nowrap | |- ! | Schuyler Merritt | | Republican | 1916 | Incumbent re-elected. | nowrap | |- ! | James P. Glynn | | Republican | 1914 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |} Delaware |- ! | Caleb R. Layton | | Republican | 1918 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |} Florida |- ! | Herbert J. Drane | | Democratic | 1916 | Incumbent re-elected. | nowrap | |- ! | Frank Clark | | Democratic | 1904 | Incumbent re-elected. | nowrap | |- ! | John H. Smithwick | | Democratic | 1918 | Incumbent re-elected. | nowrap | |- ! | William J. Sears | | Democratic | 1914 | Incumbent re-elected. | nowrap | |} Georgia |- ! | James W. Overstreet | | Democratic | 1916 | | Incumbent lost renomination.New member elected.Democratic hold. | nowrap | |- ! | Frank Park | | Democratic | 1912 | Incumbent re-elected. | nowrap | |- ! | Charles R. Crisp | | Democratic | 1912 | Incumbent re-elected. | nowrap | |- ! | William C. Wright | | Democratic | 1918 | Incumbent re-elected. | nowrap | |- ! | William D. Upshaw | | Democratic | 1918 | Incumbent re-elected. | nowrap | |- ! | James W. Wise | | Democratic | 1914 | Incumbent re-elected. | nowrap | |- ! | Gordon Lee | | Democratic | 1904 | Incumbent re-elected. | nowrap | |- ! | Charles H. Brand | | Democratic | 1916 | Incumbent re-elected. | nowrap | |- ! | Thomas Montgomery Bell | | Democratic | 1904 | Incumbent re-elected. | nowrap | |- ! | Carl Vinson | | Democratic | 1914 | Incumbent re-elected. | nowrap | |- ! | William C. Lankford | | Democratic | 1918 | Incumbent re-elected. | nowrap | |- ! | William W. Larsen | | Democratic | 1916 | Incumbent re-elected. | nowrap | |} Idaho |- ! | Burton L. French | | Republican | 1916 | Incumbent re-elected. | nowrap | |- ! | Addison T. Smith | | Republican | 1912 | Incumbent re-elected. | nowrap | |} Illinois |- ! | Martin B. Madden | | Republican | 1904 | Incumbent re-elected. | nowrap | |- ! |