| Virginia D. Smith | | Republican | 1974 | Incumbent re-elected. | nowrap | |} Nevada |- ! | James David Santini | | Democratic | 1974 | Incumbent re-elected. | nowrap | |} New Hampshire |- ! | Norman D'Amours | | Democratic | 1974 | Incumbent re-elected. | nowrap | |- ! | James Colgate Cleveland | | Republican | 1962 | Incumbent re-elected. | nowrap | |} New Jersey |- ! | James Florio | | Democratic | 1974 | Incumbent re-elected. | nowrap | |- ! | William J. Hughes | | Democratic | 1974 | Incumbent re-elected. | nowrap | |- ! | James J. Howard | | Democratic | 1964 | Incumbent re-elected. | nowrap | |- ! | Frank Thompson | | Democratic | 1954 | Incumbent re-elected. | nowrap | |- ! | Millicent Fenwick | | Republican | 1974 | Incumbent re-elected. | nowrap | |- ! | Edwin B. Forsythe | | Republican | 1970 | Incumbent re-elected. | nowrap | |- ! | Andrew Maguire | | Democratic | 1974 | Incumbent re-elected. | nowrap | |- ! | Robert A. Roe | | Democratic | 1970 | Incumbent re-elected. | nowrap | |- ! | Henry Helstoski | | Democratic | 1964 | | Lost re-electionRepublican gain. | nowrap | |- ! | Peter W. Rodino | | Democratic | 1948 | Incumbent re-elected. | nowrap | |- ! | Joseph Minish | | Democratic | 1962 | Incumbent re-elected. | nowrap | |- ! | Matthew John Rinaldo | | Republican | 1972 | Incumbent re-elected. | nowrap | |- ! | Helen Meyner | | Democratic | 1974 | Incumbent re-elected. | nowrap | |- ! | Dominick V. Daniels | | Democratic | 1958 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | Edward J. Patten | | Democratic | 1962 | Incumbent re-elected. | nowrap | |} New Mexico |- ! | Manuel Lujan Jr. | | Republican | 1968 | Incumbent re-elected. | |- ! | Harold L. Runnels | | Democratic | 1970 | Incumbent re-elected. | |} New York |- ! | Otis G. Pike | | Democratic | 1960 | Incumbent re-elected. | nowrap | |- ! | Thomas J. Downey | | Democratic | 1974 | Incumbent re-elected. | nowrap | |- ! |