| nowrap | |- ! | Pete McCloskey | | Republican | 1967 | Incumbent re-elected. | nowrap | |- ! | Burt L. Talcott | | Republican | 1962 | Incumbent re-elected. | nowrap | |- ! | Charles M. Teague | | Republican | 1954 | Incumbent re-elected. | nowrap | |- ! | Jerome Waldie | | Democratic | 1966 | Incumbent re-elected. | nowrap | |- ! | John J. McFall | | Democratic | 1956 | Incumbent re-elected. | nowrap | |- ! | B. F. Sisk | | Democratic | 1954 | Incumbent re-elected. | nowrap | |- ! | Glenn M. Anderson | | Democratic | 1968 | Incumbent re-elected. | nowrap | |- ! | Bob Mathias | | Republican | 1966 | Incumbent re-elected. | nowrap | |- ! | Chet Holifield | | Democratic | 1942 | Incumbent re-elected. | nowrap | |- ! | H. Allen Smith | | Republican | 1956 | Incumbent re-elected. | nowrap | |- ! | Augustus Hawkins | | Democratic | 1962 | Incumbent re-elected. | nowrap | |- ! | James C. Corman | | Democratic | 1960 | Incumbent re-elected. | nowrap | |- ! | Del M. Clawson | | Republican | 1963 | Incumbent re-elected. | nowrap | |- ! | John H. Rousselot | | Republican | 19601962 1970 | Incumbent re-elected. | nowrap | |- ! | Charles E. Wiggins | | Republican | 1966 | Incumbent re-elected. | nowrap | |- ! | Thomas M. Rees | | Democratic | 1965 | Incumbent re-elected. | nowrap | |- ! | Barry Goldwater Jr. | | Republican | 1969 | Incumbent re-elected. | nowrap | |- ! | Alphonzo E. Bell Jr. | | Republican | 1960 | Incumbent re-elected. | nowrap | |- ! | George Brown Jr. | | Democratic | 1962 | | Incumbent retired to run for U.S. senator.New member elected.Democratic hold. | 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 | |- !