Our lab is a clearinghouse for data sets that can fuel studies on elections and how they're conducted. Find election data and research tools produced by us and others.
Have about 15 substantial datasets e.g.
U.S. Senate 1976–2018 - This data file contains constituency (state-level) returns for elections to the U.S. Senate from 1976 to 2018.
Federal Elections Commission
https://www.fec.gov/introduction-campaign-finance/election-and-voting-information/
MIT Election Lab
https://electionlab.mit.edu/data
Have about 15 substantial datasets e.g.