|- | | Florence P. Dwyer | | Republican | 1956 | Incumbent re-elected. | nowrap | |- | | William B. Widnall | | Republican | 1950 | Incumbent re-elected. | nowrap | |- | | Charles Samuel Joelson | | Democratic | 1960 | Incumbent re-elected. | nowrap | |- | | Frank C. Osmers Jr. | | Republican | 1951 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- | | Peter W. Rodino | | Democratic | 1948 | Incumbent re-elected. | nowrap | |- | | Joseph Minish | | Democratic | 1962 | Incumbent re-elected. | nowrap | |- | | George M. Wallhauser | | Republican | 1958 | | Incumbent retired.New member elected.Democratic gain. | nowrap | |- | | Cornelius Gallagher | | Democratic | 1958 | Incumbent re-elected. | nowrap | |- | | Dominick V. Daniels | | Democratic | 1958 | Incumbent re-elected. | nowrap | |- | | Edward J. Patten | | Democratic | 1962 | Incumbent re-elected. | nowrap | |} New Mexico |- | | Thomas G. Morris | | Democratic | 1958 | Incumbent re-elected. | rowspan=2 nowrap | |- | | Joseph Montoya | | Democratic | 1957 (Special) | | Incumbent retired to run for U.S. Senator.New member elected.Democratic hold. |} New York |- | | Otis G. Pike | | Democratic | 1960 | Incumbent re-elected. | nowrap | |- | | James R. Grover Jr. | | Republican | 1962 | Incumbent re-elected. | nowrap | |- | | Steven Derounian | | Republican | 1952 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- | | John W. Wydler | | Republican | 1962 | Incumbent re-elected. | nowrap | |- | | Frank J. Becker | | Republican | 1952 | | Incumbent retired.New member elected.Democratic gain. | nowrap | |- | | Seymour Halpern | | Republican | 1958 | Incumbent re-elected. | nowrap | |- | | Joseph P. Addabbo | | Democratic | 1960 | Incumbent re-elected. | nowrap | |- | | Benjamin Stanley Rosenthal | | Democratic | 1962 | Incumbent re-elected. | nowrap | |- | | James J. Delaney | | Democratic | 19441946 1948 | Incumbent re-elected. | nowrap | |- | | Emanuel Celler | | Democratic | 1922 | Incumbent re-elected.