| 1956 | Incumbent re-elected. | nowrap | |- ! | Elford Albin Cederberg | | Republican | 1952 | Incumbent re-elected. | nowrap | |- ! | Victor A. Knox | | Republican | 1952 | Incumbent re-elected. | nowrap | |- ! | John B. Bennett | | Republican | 1946 | Incumbent re-elected. | nowrap | |- ! | Charles Diggs | | Democratic | 1954 | Incumbent re-elected. | nowrap | |- ! | Louis C. Rabaut | | Democratic | 1948 | Incumbent re-elected. | nowrap | |- ! | John D. Dingell Jr. | | Democratic | 1955 | Incumbent re-elected. | nowrap | |- ! | John Lesinski Jr. | | Democratic | 1932 | Incumbent re-elected. | nowrap | |- ! | Martha Griffiths | | Democratic | 1954 | Incumbent re-elected. | nowrap | |- ! | William Broomfield | | Republican | 1956 | Incumbent re-elected. | nowrap | |} Minnesota |- ! | Al Quie | | Republican | 1958 | Incumbent re-elected. | nowrap | |- ! | Ancher Nelsen | | Republican | 1958 | Incumbent re-elected. | nowrap | |- ! | Roy Wier | | Democratic | 1948 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | Joseph Karth | | Democratic | 1958 | Incumbent re-elected. | nowrap | |- ! | Walter Judd | | Republican | 1942 | Incumbent re-elected. | nowrap | |- ! | Fred Marshall | | Democratic | 1948 | Incumbent re-elected. | nowrap | |- ! | Herman Carl Andersen | | Republican | 1938 | Incumbent re-elected. | nowrap | |- ! | John Blatnik | | Democratic | 1946 | Incumbent re-elected. | nowrap | |- ! | Odin Langen | | Republican | 1958 | Incumbent re-elected. | nowrap | |} Mississippi |- ! | Thomas Abernethy | | Democratic | 1942 | Incumbent re-elected. | nowrap | |- ! | Jamie Whitten | | Democratic | 1941 | Incumbent re-elected. | nowrap | |- ! | Frank Ellis Smith | | Democratic | 1950 | Incumbent re-elected. | nowrap | |- ! | John Bell Williams | | Democratic | 1946 | Incumbent re-elected. | nowrap | |- ! | W. Arthur Winstead | | Democratic | 1942 | Incumbent re-elected. | nowrap | |- ! | William