Dave Leip's Atlas of U.S. Elections
United States Presidential Election Results, 1912 - forward This link opens in a new window- Presidential election totals by state, county, and New England towns.
United States Congressional Election Results, 2008-forward This link opens in a new window - Congressional election totals by state, county, New England towns, and congressional district (for house elections).
United States Election Results - Governor, 1990 - forward This link opens in a new window - Data for gubernatorial elections by state, county, and New England towns.
United States Voter Registration and Turnout Data, 1992 - forward. This link opens in a new window - Voter registration and turnout totals by state, county, and New England towns.
MIT Election Data + Science Lab - Returns at state and county levels for a variety of recent national and state elections (some as far back as 1976). Precinct level results from 2016.
Mapping Early American Elections, 1878–1825 - GitHub Repo - Returns at state and county levels for a variety of recent national and state elections (some as far back as 1976). Precinct level results from 2016.
CQ Voting and Elections Collection This link opens in a new window - integrates election data, analyses, and historical material on the American voter, political parties, campaigns and elections, and historical and modern races for Congress, the presidency, and governorships.
U.S. Historical Election Returns Datasets, 1788-1990 This link opens in a new window- County and state level election returns for a variety of national and state offices from 1788-2990
Southern Primary and General Election Data, 1920–1972 available through ICPSR This link opens in a new window– Data at the state level on candidates contesting southern primary elections for senator and governor from 1920-1972. Included are the names and party identifications of all candidates receiving votes in selected regular and runoff primary elections, 1920-1972, as well as the total votes received by each candidate and the candidate's percentage of the total vote.
Judicial Elections Data Initiative is to collaborate with scholars nationwide to collect data on elections to state courts of last resort from 1990 to 2010 in an effort to facilitate replication efforts and to stimulate new research in the area of state judicial selection.
Vital Statistics on the Presidency : The Definitive Source for Data and Analysis on the American Presidency, fourth edition, 2014.
○ This book presents a comprehensive statistical description of the American presidency that de-emphasizes the uniqueness of individual presidents and focuses instead on the presidency as an institution.
State Legislative Election Returns, 1967-2016 - data at the election contest level for state election returns. Data is available in a few formats but was primarily created for use within Stata software.
State Legislative Historical Elections (to 1970) - district level data where available for state legislative elections before 1970
A New Nation Votes: American Election Returns, 1787–1825 - a searchable database of historical election returns, direct access to the datasets can be found through this link.
Referenda and Primary Election Materials, 1968-1990 This link opens in a new windowavailable through ICPSR This link opens in a new window– Election returns at the county and state levels from the mid-nineteenth century to the late twentieth century for primary and general elections on statewide referenda, constitutional amendments, state House/Senate joint resolutions, and initiated measures.