Librarians from the Government Documents Round Table (GODORT) of the American Library Association (ALA) maintain toolkits for all 50 states related to voting and elections.
- Census Bureau, Voting & Registration Tables Data, 1960-2020
- DataWorld - create your own login and search through a variety of datasets related to voting and elections
- Harvard Federal Election & Statistics - scroll down to free resources
- ICPSR Cooperative Congressional Election Study (CCES) Latino-Hispanic Survey, [United States], 2010
- 2012 Latino Immigrant National Election Study (LINES) (ICPSR 36680)
- ICPSR Historical Election datasets, 1788-1990 - Presidential election data
- ICPSR Electoral Data for US counties, 1840-1972 - Presidential and Congressional election data
- MIT election data science lab - U.S. President, Congress, State, and general election data
- Population Reference Bureau (PRB), Sources of Voting Data - a variety of datasets
- VoteView -a project from UCLA's Department of Political Science and Social Science Computing