|} New York |- ! | Leonard W. Hall | | Republican | 1938 | Incumbent re-elected. | nowrap | |- ! | William Bernard Barry | | Democratic | 1935 | Incumbent re-elected. | nowrap | |- ! | Joseph L. Pfeifer | | Democratic | 1934 | Incumbent re-elected. | nowrap | |- ! | Thomas H. Cullen | | Democratic | 1918 | Incumbent re-elected. | nowrap | |- ! | Marcellus H. Evans | | Democratic | 1934 | | Incumbent lost renomination.New member elected.Defeated as RepublicanDemocratic hold. | nowrap | |- ! | Andrew Lawrence Somers | | Democratic | 1924 | Incumbent re-elected. | nowrap | |- ! | John J. Delaney | | Democratic | 1931 | Incumbent re-elected. | nowrap | |- ! | Donald L. O'Toole | | Democratic | 1936 | Incumbent re-elected. | nowrap | |- ! | Eugene James Keogh | | Democratic | 1936 | Incumbent re-elected. | nowrap | |- ! | Emanuel Celler | | Democratic | 1922 | Incumbent re-elected. | nowrap | |- ! | James A. O'Leary | | Democratic | 1934 | Incumbent re-elected. | nowrap | |- ! | Samuel Dickstein | | Democratic | 1922 | Incumbent re-elected. | nowrap | |- ! | Christopher D. Sullivan | | Democratic | 1916 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | Morris Michael Edelstein | | Democratic | 1940 | Incumbent re-elected. | nowrap | |- ! | Michael J. Kennedy | | Democratic | 1938 | Incumbent re-elected. | nowrap | |- ! | James H. Fay | | Democratic | 1938 | | Incumbent lost re-election.New member elected.Republican gain. | nowrap | |- ! | Bruce Fairchild Barton | | Republican | 1937 | | Incumbent retired to run for U.S. senator.New member elected.Republican hold. | nowrap | |- ! | Martin J. Kennedy | | Democratic | 1930 | Incumbent re-elected. | nowrap | |- ! | Sol Bloom | | Democratic | 1923 | Incumbent re-elected. | nowrap | |- ! | Vito Marcantonio | | Labor | 1938 | Incumbent re-elected. | nowrap | |- ! | Joseph A. Gavagan | | Democratic | 1929 | Incumbent re-elected. | nowrap | |- ! | Walter A. Lynch | | Democratic | 1940 | Incumbent re-elected. | nowrap | |- !