United States Election Atlas

Democrat → Red · Republican → Blue · Historical parties see legend. Senate view: upper half = senior senator; lower half = junior senator; white line marks the boundary.

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⚠️ Disclaimer
Election Maps is provided for quick historical reference only. Data is not guaranteed to be accurate or complete, and may contain errors — particularly for historical elections before the modern era. Users should verify any important details with official sources before relying on this information for research, legal, academic, or other purposes.

📚 Sources & Citations

Presidential election data: Federal Election Commission; American Presidency Project (UC Santa Barbara).
Congressional district results, 2006–2022: Office of the Clerk, U.S. House of Representatives (clerk.house.gov).
Historical House district maps, 1789–1989: Martis, Kenneth C. The Historical Atlas of Political Parties in the United States Congress, 1789–1989. New York: Macmillan, 1989 (map photos courtesy of the Daniel and Latha Brubaker Library).
Senate membership: Biographical Directory of the United States Congress (bioguide.congress.gov); Congress.gov.
119th Congress House members: Office of the Clerk XML feed (clerk.house.gov/xml/lists/MemberData.xml).
Congressional district boundaries: U.S. Census Bureau / Highcharts map collection (113th Congress shapes).
Pre-1970 state-level House data: Dubin, Michael J. United States Congressional Elections, 1788–1997. Jefferson, NC: McFarland, 1998.

Note: Historical party colors (Farmer-Labor, Progressive, Silver Republican, etc.) are based on official party affiliations at time of election.