New York's 30th congressional district

1993–2003:

Parts of Erie

1983–1993:

All of Genesee

Parts of Livingston, Monroe, Ontario

1973–1983:

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

Parts of Essex, Oswego

1971–1973:

All of Rensselaer, Saratoga, Warren, Washington

Parts of Albany, Essex

1969–1971:

All of Essex, Fulton, Hamilton, Rensselaer, Saratoga, Warren, Washington

1963–1969:

All of Clinton, Essex, Fulton, Hamilton, Saratoga, Warren, Washington

Parts of Rensselaer

1953–1963:

All of Albany

Parts of Rensselaer

1945–1953:

All of Columbia, Dutchess, Greene, Schoharie, Ulster

1913–1945:

All of Fulton, Hamilton, Montgomery, Schenectady

1903–1913:

All of Broome, Chenango, Cortland, Tioga, Tompkins

1893–1903:

All of Genesee, Livingston, Niagara, Orleans, Wyoming

Note that in New York State electoral politics there are numerous minor parties at various points on the political spectrum. Certain parties will invariably endorse either the Republican or Democratic candidate for every office, hence the state electoral results contain both the party votes, and the final candidate votes (Listed as "Recap").

• 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
• 2000 House election data Clerk of the House of Representatives
• 1998 House election data
• 1996 House election data