It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Four ICPSR studies that provide datasets of electoral returns for approx. 90% of all elections to the offices of president, governor, United States senator, and United States representative for all parties and candidates 1788-1990. Most returns are at the county level.