| Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Michael J. Harrington | | Democratic | 1969 | Incumbent re-elected. | nowrap | |- ! | Torbert H. MacDonald | | Democratic | 1954 | Incumbent re-elected. | nowrap | |- ! | Tip O'Neill | | Democratic | 1952 | Incumbent re-elected. | nowrap | |- ! | Joe Moakley | | Democratic | 1972 | Incumbent re-elected. | nowrap | |- ! | Margaret Heckler | | Republican | 1966 | Incumbent re-elected. | nowrap | |- ! | James A. Burke | | Democratic | 1958 | Incumbent re-elected. | nowrap | |- ! | Gerry E. Studds | | Democratic | 1972 | Incumbent re-elected. | nowrap | |} Michigan |- ! | John Conyers | | Democratic | 1964 | Incumbent re-elected. | nowrap | |- ! | Marvin L. Esch | | Republican | 1966 | Incumbent re-elected. | nowrap | |- ! | Garry E. Brown | | Republican | 1966 | Incumbent re-elected. | nowrap | |- ! | J. Edward Hutchinson | | Republican | 1962 | Incumbent re-elected. | nowrap | |- ! | Richard Vander Veen | | Democratic | 1974 | Incumbent re-elected. | nowrap | |- ! | Charles E. Chamberlain | | Republican | 1956 | | Incumbent retired.New member elected.Democratic gain. | nowrap | |- ! | Donald W. Riegle Jr. | | Democratic | 1966 | Incumbent re-elected. | nowrap | |- ! | J. Bob Traxler | | Democratic | 1974 | Incumbent re-elected. | nowrap | |- ! | Guy Vander Jagt | | Republican | 1966 | Incumbent re-elected. | nowrap | |- ! | Elford Albin Cederberg | | Republican | 1952 | Incumbent re-elected. | nowrap | |- ! | Philip Ruppe | | Republican | 1966 | Incumbent re-elected. | 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. |