|- ! | 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 |- ! | Richard G. Shoup | | Republican | 1970 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | John Melcher | | Democratic | 1969 | Incumbent re-elected. | nowrap | |} Nebraska |- ! | Charles Thone | | Republican | 1970 | Incumbent re-elected. | nowrap | |- ! | John Y. McCollister | | Republican | 1970 | Incumbent re-elected. | nowrap | |- ! | David T. Martin | | Republican | 1960 | | Incumbent retired.New member elected.Republican hold. | nowrap | |} Nevada |- ! | David Towell | | Republican | 1972 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |} New Hampshire |- ! | Louis C. Wyman | | Republican | 19621964 1966 | | Incumbent retired to run for U.S. senator.New member elected.Democratic gain. | nowrap | |- ! | James Colgate Cleveland | | Republican | 1962 | Incumbent re-elected. | nowrap | |} New Jersey |- ! | John E. Hunt | | Republican | 1966 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Charles W. Sandman Jr. | | Republican | 1966 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | James J. Howard | | Democratic | 1964 | Incumbent re-elected. | nowrap | |- ! | Frank Thompson | | Democratic | 1954 | Incumbent re-elected. | nowrap | |- ! | Peter Frelinghuysen Jr. | | Republican | 1952 | | Incumbent retired.New member elected.Republican hold. | nowrap | |- ! | Edwin B. Forsythe | | Republican | 1970 | Incumbent re-elected. | nowrap | |- ! | William B. Widnall | | Republican | 1950 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Robert A. Roe | | Democratic | 1970 | Incumbent re-elected. | nowrap | |- ! | Henry Helstoski | | Democratic | 1964 | Incumbent re-elected. | nowrap | |- ! | Peter W. Rodino | | Democratic