George Washington University Research Guides - Election Research (U.S.)

Best Places to Start

Vital Statistics on American Politics

(GW access only)
Provides results and other election-related data from 1789 to the present.
CQ Voting and Elections Collection

(GW access only)
Under Databases, click on Voting and Elections Collection.A variety of sources, including data and analysis, pertaining to US election history.
American National Election Studies (ANES)

Ongoing studies of the American electorate. Provides data and statistics on voting, public opinion, and political participation in the U.S. from 1948 to the present.
Voting and Registration Statistics

Information on voting and registration with various demographic and socioeconomic characteristics. Includes historical data.