New York's 34th congressional district

1983–1993:

All of Allegany, Chautauqua, Chemung, Schuyler, Steuben, Yates

Parts of Cattaraugus, Tompkins

1973–1983:

All of Wayne

Parts of Monroe

1971–1973:

All of Cayuga, Ontario, Schuyler, Seneca, Yates

Parts of Livingston, Onondaga, Oswego, Tompkins

1963–1971:

All of Onondaga

1953–1963:

All of Herkimer, Madison, Oneida

1945–1953:

All of Franklin, Herkimer, Jefferson, Lewis, St. Lawrence

1913–1945:

All of Broome, Chenango, Delaware, Otsego

1885–1913:

All of Allegany, Cattaraugus, Chautauqua

The following chart shows historic election results.

Year	Democratic	Republican	Other
1920	Charles R. Seymour: 21,496	Y John D. Clarke: 52,809	Arthur Breckenridge (Socialist): 1,386
1922	Clayton L. Wheeler: 23,323	Y John D. Clarke (Incumbent): 40,902	Arthur Breckenridge (Socialist): 1,018
1924	Charles R. Seymour: 24,800	Y Harold S. Tolley: 61,547	William M. Boyd (Socialist): 1,979
1926	Bernard J. McGuire: 20,792	Y John D. Clarke: 52,363
1928	William W. Lampman: 32,925	Y John D. Clarke (Incumbent): 80,531
1930	James F. Byrne: 23,968	Y John D. Clarke (Incumbent): 51,460
1932	Charles R. Seymour: 44,174	Y John D. Clarke (Incumbent): 58,735	Leon Ray Steenburg (Law Preservation): 6,676 Pierre De Nio (Socialist): 718
1934	Charles C. Flaesch: 32,075	Y Bert Lord: 50,528	Pierre De Nio (Socialist): 1,159 Mathew J. Maxian (Communist): 248
1936	John T. Buckley: 47,857	Y Bert Lord (Incumbent): 75,580	Merle A. Wilson (Socialist): 1,241
1938	John V. Johnson: 35,456	Y Bert Lord (Incumbent): 67,330	Merle A. Wilson (Socialist): 305
1940	Donald W. Kramer: 41,027	Y Edwin A. Hall (Incumbent): 93,990	William Livings (American Labor): 2,563
1942	Arthur J. Ruland: 33,276	Y Edwin A. Hall (Incumbent): 53,762	Charles F. Doherty (American Labor): 1,444
1944	John D. Van Kennen: 44,557	Y Clarence E. Kilburn (Incumbent): 75,532
1946	William G. Houk: 22,368	Y Clarence E. Kilburn (Incumbent): 64,217	Carl H. Bogardus (American Labor): 1,384
1948	Francis K. Purcell: 43,777	Y Clarence E. Kilburn (Incumbent): 70,715	Raymond Bull (American Labor): 2,083
1950	Mildred McGill: 32,446	Y Clarence E. Kilburn (Incumbent): 67,739	Carl H. Bogardus (American Labor): 1,290
1952	Charles Ray Wilson: 65,080	Y William R. Williams (Incumbent): 97,488	Anthony Blasting (Liberal): 2,797 Michael A. Jimenez (American Labor): 315
1954	Vernon E. Olin: 53,112	Y William R. Williams (Incumbent): 77,659	Marcia Daz Butler (American Labor): 174
1956	Edwin L. Slusarczyk: 70,837	Y William R. Williams (Incumbent): 95,681
1958	Edwin L. Slusarczyk: 68,271	Y Alexander Pirnie: 70,482
1960	Edwin L. Slusarczyk: 79,153	Y Alexander Pirnie (Incumbent): 98,063
1962	Lee Alexander: 67,149	Y R. Walter Riehlman (Incumbent): 84,780	John Arneson (Liberal): 2,860
1964	Y James M. Hanley: 96,219	R. Walter Riehlman (Incumbent): 91,697
1966	Y James M. Hanley (Incumbent): 90,044	Stewart F. Hancock Jr.: 62,559	Benjamin K. Souler (Conservative): 5,903 Norman Balabanian (Liberal): 4,900
1968	Y James M. Hanley (Incumbent): 96,520	David V. O'Brien: 82,333	Francis H. Aspinwall (Conservative): 6,988 Aubrey D. Tussing (Liberal): 2,282
1970	Neal P. McCurn: 60,452	Y John H. Terry: 88,786
1972	Jack Rubens: 46,509	Y Frank Horton (Incumbent): 142,803	Richard E. Lusink (Conservative): 5,603 Rafael Martinez (Liberal): 3,088
1974	Irene Gossin: 45,408	Y Frank Horton (Incumbent): 105,585	J. Warren McGee (Conservative): 4,309 Virginia Tadio (Liberal): 1,063
1976	William C. Larsen: 58,247	Y Frank Horton (Incumbent): 126,566	Thomas D. Cook (Conservative): 7,383
1978	Y Frank Horton (Incumbent): 60,704	Y Frank Horton (Incumbent): 62,081	Leo J. Kesselring (Conservative): 18,127
1980	James Toole: 37,883	Y Frank Horton (Incumbent): 133,278	Clyde O. Benoy (Conservative): 5,829 William Bastuk (Right to Life): 3,178 David D. Hoesly (Libertarian): 2,627
1982	Y Stan Lundine (Incumbent): 99,502	James J. Snyder Sr.: 63,972	Genevieve F. Ronan (Right to Life): 1,806
1984	Y Stan Lundine (Incumbent): 110,902	Jill Houghton Emery: 91,016	Carol L. Fisher (Right to Life): 2,560
1986	Larry M. Himelein: 56,898	Y Amo Houghton: 85,856
1988		Y Amo Houghton (Incumbent): 131,078	Ian Kelly Woodward (Liberal): 4,797
1990	Joseph P. Leahey: 37,421	Y Amo Houghton (Incumbent): 89,831	Nevin K. Eklund (Liberal): 1,807

• Martis, Kenneth C. (1989). The Historical Atlas of Political Parties in the United States Congress. New York: Macmillan Publishing Company.
• Martis, Kenneth C. (1982). The Historical Atlas of United States Congressional Districts. New York: Macmillan Publishing Company.
• Congressional Biographical Directory of the United States 1774–present
• Election Statistics 1920–present Clerk of the House of Representatives