Polling question results from the US since 1935 from all of the major polling organizations.
Social science macro dataset repository.
Produces a number of publications reporting primarily federal government.
Visualize United States election results historically from 1912 to today. Presidential, senatorial, congressional and gubernatorial election data comes from Dave Leip's Atlas of U.S. Presidential Elections and is available for map presentation only.
Data and statistics generated by United States research from departments and agencies.
Election data resources gathered and disseminated by the United States government.