| Democratic | 1952 | Incumbent re-elected. | nowrap | |- ! | John W. McCormack | | Democratic | 1928 | Incumbent re-elected. | nowrap | |- ! | Joseph W. Martin Jr. | | Republican | 1924 | | Incumbent lost renomination.New member elected.Republican hold. | nowrap | |- ! | James A. Burke | | Democratic | 1958 | Incumbent re-elected. | nowrap | |- ! | Hastings Keith | | Republican | 1958 | Incumbent re-elected. | nowrap | |} Michigan |- ! | John Conyers | | Democratic | 1964 | Incumbent re-elected. | nowrap | |- ! | Weston E. Vivian | | Democratic | 1964 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | Paul H. Todd Jr. | | Democratic | 1964 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | J. Edward Hutchinson | | Republican | 1962 | Incumbent re-elected. | nowrap | |- ! | Gerald Ford | | Republican | 1948 | Incumbent re-elected. | nowrap | |- ! | Charles E. Chamberlain | | Republican | 1956 | Incumbent re-elected. | nowrap | |- ! | John C. Mackie | | Democratic | 1964 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | R. James Harvey | | Republican | 1960 | Incumbent re-elected. | nowrap | |- ! | Robert P. Griffin | | Republican | 1956 | | Resigned to become U.S. senator.New member elected.Republican hold. | nowrap | |- ! | Elford Albin Cederberg | | Republican | 1952 | Incumbent re-elected. | nowrap | |- ! | Raymond F. Clevenger | | Democratic | 1964 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | James G. O'Hara | | Democratic | 1958 | Incumbent re-elected. | nowrap | |- ! | Charles Diggs | | Democratic | 1954 | Incumbent re-elected. | nowrap | |- ! | Lucien Nedzi | | Democratic | 1961 | Incumbent re-elected. | nowrap | |- ! | William D. Ford | | Democratic | 1964 | Incumbent re-elected. | nowrap | |- ! | John D. Dingell Jr. | | Democratic | 1955 | Incumbent re-elected. | nowrap | |- ! | Martha Griffiths | | Democratic | 1954 | Incumbent re-elected. | nowrap | |- !