Columns: District | Incumbent | Party | First elected | Result | Candidates
New York 1 | None (District created) | None (District created) | None (District created) | New seat Republican gain | Edgar A. Sharp (R) 69.6% Edward Hudson (D) 30.4% | New York 2 | Leonard W. Hall Redistricted from 1st | Republican | 1938 | Re-elected | Leonard W. Hall (R) 67.9% John S. Thorp (D) 32.1% | New York 6 | None (District created) | None (District created) | None (District created) | New seat Democratic gain | James J. Delaney (D) 55.2% Otto Schuler (R) 44.8% | New York 18 | Vito Marcantonio Redistricted from 20th | Labor | 1938 | Re-elected (won R and D nominations as well) | Vito Marcantonio ( American Labor ) Unopposed | New York 18 | Martin J. Kennedy | Democratic | 1930 | Lost renomination Democratic loss | Vito Marcantonio ( American Labor ) Unopposed | New York 19 | Samuel Dickstein Redistricted from 12th | Democratic | 1922 | Re-elected | Samuel Dickstein (D) 73.3% Hyman Hecht (R) 26.7% | New York 19 | Louis Capozzoli Redistricted from 13th | Democratic | 1940 | Retired Democratic loss | Samuel Dickstein (D) 73.3% Hyman Hecht (R) 26.7% | New York 19 | Arthur George Klein Redistricted from 14th | Democratic | 1941 | Retired Democratic loss | Samuel Dickstein (D) 73.3% Hyman Hecht (R) 26.7% | New York 20 | Sol Bloom Redistricted from 19th | Democratic | 1923 | Re-elected | Sol Bloom (D) 70.8% Lawrence S. Mayers (R) 29.2% | New York 20 | Thomas F. Burchill Redistricted from 15th | Democratic | 1942 | Retired Democratic loss | Sol Bloom (D) 70.8% Lawrence S. Mayers (R) 29.2% | New York 22 | None (District created) | None (District created) | None (District created) | New seat Democratic gain | Adam Clayton Powell, Jr. (D) Unopposed | New York 26 | James M. Fitzpatrick Redistricted from 24th | Democratic | 1926 | Retired Democratic hold | Peter A. Quinn (D) 56.4% Samuel T. Shay (R) 43.6% | New York 30 | Jay Le Fevre Redistricted from 27th | Republican | 1942 | Re-elected | Jay Le Fevre (R) 63.0% Sharon J. Mauhs (D) 37.0%