| George E. Danielson | | Democratic | 1970 | Incumbent re-elected. | nowrap | |- ! | Edward R. Roybal | | Democratic | 1962 | Incumbent re-elected. | nowrap | |- ! | Charles H. Wilson | | Democratic | 1962 | Incumbent re-elected. | nowrap | |- ! | Craig Hosmer | | Republican | 1952 | Incumbent re-elected. | nowrap | |- ! | Jerry Pettis | | Republican | 1966 | Incumbent re-elected. | nowrap | |- ! | Richard T. Hanna | | Democratic | 1962 | Incumbent re-elected. | nowrap | |- ! | Glenn M. Anderson | | Democratic | 1968 | Incumbent re-elected. | nowrap | |- ! | colspan=3 | None (district created) | | New seat.New member elected.Republican gain. | nowrap | |- ! | colspan=3 | None (district created) | | New seat.New member elected.Democratic gain. | nowrap | |- ! | colspan=3 | None (district created) | | New seat.New member elected.Democratic gain. | nowrap | |- ! | John G. Schmitz | | Republican | 1970 | | Incumbent lost renomination.New member elected.Republican hold. | nowrap | |- ! | Bob Wilson | | Republican | 1952 | Incumbent re-elected. | nowrap | |- ! | Lionel Van Deerlin | | Democratic | 1962 | Incumbent re-elected. | nowrap | |- ! | colspan=3 | None (district created) | | New seat.New member elected.Republican gain. | nowrap | |- ! | Victor Veysey | | Republican | 1970 | Incumbent re-elected. | nowrap | |} Colorado Colorado was reapportioned from 4 to 5 seats, constructing a new east and south of Denver. |- ! | Mike McKevitt | | Republican | 1970 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Donald G. Brotzman | | Republican | 19621964 1966 | Incumbent re-elected. | nowrap | |- ! | Frank Evans | | Democratic | 1964 | Incumbent re-elected. | nowrap | |- ! | Wayne N. Aspinall | | Democratic | 1948 | | Incumbent lost renomination.New member elected.Republican gain. | nowrap | |- ! | colspan=3 | None (district created) | | New seat.New member elected.Republican gain. | nowrap | |} Connecticut |- ! | William R. Cotter | | Democratic | 1970 | Incumbent re-elected. | nowrap | |- ! | Robert H. Steele | | Republican |