one seat at reapportionment, combining the districts of Barney Frank and Margaret Heckler. |- ! | Silvio Conte | | Republican | 1958 | Incumbent re-elected. | nowrap | |- ! | Edward Boland | | Democratic | 1952 | Incumbent re-elected. | nowrap | |- ! | Joseph D. Early | | Democratic | 1974 | Incumbent re-elected. | nowrap | |- ! rowspan=2 | | Barney Frank | | Democratic | 1980 | Incumbent re-elected. | rowspan=2 nowrap | |- | Margaret Heckler | | Republican | 1966 | | Incumbent lost re-election.Republican loss. |- ! | James Shannon | | Democratic | 1978 | Incumbent re-elected. | nowrap | |- ! | Nicholas Mavroules | | Democratic | 1978 | Incumbent re-elected. | nowrap | |- ! | Ed Markey | | Democratic | 1976 | Incumbent re-elected. | nowrap | |- ! | Tip O'Neill | | Democratic | 1952 | Incumbent re-elected. | nowrap | |- ! | Joe Moakley | | Democratic | 1972 | Incumbent re-elected. | nowrap | |- ! | Gerry E. Studds | | Democratic | 1972 | Incumbent re-elected. | nowrap | |- ! | Brian J. Donnelly | | Democratic | 1978 | Incumbent re-elected. | nowrap | |} Michigan Michigan lost one seat at reapportionment. |- ! | John Conyers | | Democratic | 1964 | Incumbent re-elected. | nowrap | |- ! | Carl Pursell | | Republican | 1976 | Incumbent re-elected. | nowrap | |- ! | Howard Wolpe | | Democratic | 1978 | Incumbent re-elected. | nowrap | |- ! | Mark D. Siljander | | Republican | 1981 | Incumbent re-elected. | nowrap | |- ! | Harold S. Sawyer | | Republican | 1976 | Incumbent re-elected. | nowrap | |- ! | James Whitney Dunn | | Republican | 1980 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Dale E. Kildee | | Democratic | 1976 | Incumbent re-elected. | nowrap | |- ! | J. Bob Traxler | | Democratic | 1974 | Incumbent re-elected. | nowrap | |- ! | Guy Vander Jagt | | Republican | 1966 | Incumbent re-elected. | nowrap | |- ! | Donald J. Albosta | | Democratic | 1978 | Incumbent re-elected. | nowrap | |- ! | Robert William Davis | | Republican |