Kunkel | | Republican | 1961 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | Herman T. Schneebeli | | Republican | 1960 | Incumbent re-elected. | nowrap | |- ! | Robert J. Corbett | | Republican | 19381940 1944 | Incumbent re-elected. | nowrap | |- ! | Nathaniel N. Craley Jr. | | Democratic | 1964 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | Elmer J. Holland | | Democratic | 1942 1942 1956 | Incumbent re-elected. | nowrap | |- ! | John Herman Dent | | Democratic | 1958 | Incumbent re-elected. | nowrap | |- ! | John P. Saylor | | Republican | 1949 | Incumbent re-elected. | nowrap | |- ! | Albert W. Johnson | | Republican | 1963 | Incumbent re-elected. | nowrap | |- ! | Joseph P. Vigorito | | Democratic | 1964 | Incumbent re-elected. | nowrap | |- ! | Frank M. Clark | | Democratic | 1954 | Incumbent re-elected. | nowrap | |- ! | Thomas E. Morgan | | Democratic | 1944 | Incumbent re-elected. | nowrap | |- ! | James G. Fulton | | Republican | 1944 | Incumbent re-elected. | nowrap | |} Rhode Island |- ! | Fernand St. Germain | | Democratic | 1960 | Incumbent re-elected. | nowrap | |- ! | John E. Fogarty | | Democratic | 1940 | Incumbent re-elected. | nowrap | |} South Carolina |- ! | L. Mendel Rivers | | Democratic | 1940 | Incumbent re-elected. | nowrap | |- ! | Albert Watson | | Republican | 1962 | Incumbent re-elected. | nowrap | |- ! | William Jennings Bryan Dorn | | Democratic | 19461948 1950 | Incumbent re-elected. | nowrap | |- ! | Robert T. Ashmore | | Democratic | 1953 | Incumbent re-elected. | nowrap | |- ! | Thomas S. Gettys | | Democratic | 1964 | Incumbent re-elected. | nowrap | |- ! | John L. McMillan | | Democratic | 1938 | Incumbent re-elected. | nowrap | |} South Dakota |- ! | Ben Reifel | | Republican | 1960 | Incumbent re-elected. | nowrap | |- ! | Ellis Yarnal Berry | | Republican | 1950 | Incumbent re-elected. | nowrap | |} Tennessee |- ! | Jimmy Quillen | |