New York's 31st congressional district
New York's 31st congressional district was a congressional district for the United States House of Representatives in New York. It was eliminated as a result of the 2000 census. It was last represented by Amo Houghton who was redistricted into the 29th district.
Past components
- 1863–1875: Parts of Buffalo
- 1875–1897: All of Wyoming, Genesee and Niagara counties
- 1875–1897: All of Wyoming, Genesee and Niagara counties
- 1903–1913: All of Cayuga, Ontario, Wayne and Yates counties
- 1913–1945: All of Clinton, Essex, Franklin, and St. Lawrence counties
- 1945–1953: All of Fulton, Hamilton, Montgomery, Otsego, and Schenectady counties
- 1953–1963: All of Clinton, Essex, Saratoga, Warren, and Washington counties; parts of Rensselaer county
- 1963–1969: All of Franklin, Jefferson, Lewis, Oswego, and St. Lawrence counties
- 1969–1971: All of Clinton, Franklin, Jefferson, Lewis, Oswego, and St. Lawrence counties
- 1971–1973: All of Clinton, Franklin, Jefferson, and St. Lawrence counties; parts of Essex, and Oswego counties
- 1973–1983: All of Fulton, Hamilton, Herkimer, Oneida, and Schoharie counties; parts of Montgomery, Otsego, and Schenectady counties
- 1983–1993: All of Wyoming county; parts of Cattaraugus, Erie, Livingston, and Ontario counties
- 1993–2003: All of Allegany, Cattaraugus, Chautauqua, Chemung, Schuyler, Steuben, and Yates counties; parts of Cayuga, Seneca, and Tompkins counties