| nowrap | |} Missouri |- ! | Bill Clay | | Democratic | 1968 | Incumbent re-elected. | nowrap | |- ! | James W. Symington | | Democratic | 1968 | Incumbent re-elected. | nowrap | |- ! | Leonor Sullivan | | Democratic | 1952 | Incumbent re-elected. | nowrap | |- ! | William J. Randall | | Democratic | 1959 | Incumbent re-elected. | nowrap | |- ! | Richard Walker Bolling | | Democratic | 1948 | Incumbent re-elected. | nowrap | |- ! | William Raleigh Hull Jr. | | Democratic | 1954 | Incumbent re-elected. | nowrap | |- ! | Durward Gorham Hall | | Republican | 1960 | Incumbent re-elected. | nowrap | |- ! | Richard Howard Ichord Jr. | | Democratic | 1960 | Incumbent re-elected. | nowrap | |- ! | William L. Hungate | | Democratic | 1964 | Incumbent re-elected. | nowrap | |- ! | Bill Burlison | | Democratic | 1968 | Incumbent re-elected. | nowrap | |} Montana |- ! | Arnold Olsen | | Democratic | 1960 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | John Melcher | | Democratic | 1969 | Incumbent re-elected. | nowrap | |} Nebraska |- ! | Robert Vernon Denney | | Republican | 1966 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | Glenn Cunningham | | Republican | 1956 | | Incumbent lost renomination.New member elected.Republican hold. | nowrap | |- ! | David Martin | | Republican | 1960 | Incumbent re-elected. | nowrap | |} Nevada |- ! | Walter S. Baring Jr. | | Democratic | 19481952 1956 | Incumbent re-elected. | nowrap | |} New Hampshire |- ! | Louis C. Wyman | | Republican | 19621964 1966 | Incumbent re-elected. | nowrap | |- ! | James Colgate Cleveland | | Republican | 1962 | Incumbent re-elected. | nowrap | |} New Jersey |- ! | John E. Hunt | | Republican | 1966 | Incumbent re-elected. | nowrap | |- ! | Charles W. Sandman Jr. | | Republican | 1966 | Incumbent re-elected. | nowrap | |- ! | James J. Howard | | Democratic | 1964 | Incumbent re-elected. | nowrap | |- ! | Frank Thompson | | Democratic | 1954 | Incumbent re-elected.