U.S. Elections Data and Resources

Election results for presidential, congressional, and gubernatorial elections 1789-present.
Download data as .csv or .tsv

Wide range of statistics on presidential selection and elections, including:

• primary and party convention results (1968–2012)
• nomination methods by state (1968–2012)
• popular and electoral votes by state (1789–2012)
• presidential and Congressional party alignment (1824–2012)
• turnout by state (1824–2012)
• vote share by demographic group, national (1952–2012)

Tables in Excel or .csv format

Available at the DDSS Lab. Click link above for DDSS contact & schedule.

• Presidential general election data at the state, county, and New England town level (1992–present)
• Presidential primary elections data at the state, county, and New England town level (2000–present)
• Voter registration and turnout data for all 50 states, counties, and New England towns (1992–present)

Data in Excel.

ICPSR data collection of county-level electoral returns for all parties and candidates. Data are most complete from 1824 on. 1950–1990 are available as election year files; 1824–1950 are multi-year state files. (Also includes congressional and gubernatorial elections.)

Wikipedia table with links to each state's election division and official returns. Includes coverage dates for available returns.

The U.S. 2020 Facebook and Instagram Election Study (US 2020 FIES) is a partnership between Meta and academic researchers to understand the impact of Facebook and Instagram on key political attitudes and behaviors during the US 2020 election.