10.7910/DVN/VOQCHQ MIT Election Data and Science Lab Massachusetts Institute of Technology Harvard Dataverse 2018 Social Sciences Samuel Baltz Samuel Baltz Massachusetts Institute of Technology 2025-07-12 2018-10-11 2026-02-25 4563131 1138 4563131 4563128 4563139 4568759 1301 4568823 7474435 1532 7475932 7359008 7565437 7565359 1619 7557401 5038 10124368 2604 10135590 10124368 9935654 9896747 9845546 9845506 text/tab-separated-values text/x-markdown text/tab-separated-values text/tab-separated-values text/tab-separated-values text/tab-separated-values text/x-markdown text/tab-separated-values text/tab-separated-values text/markdown text/tab-separated-values text/tab-separated-values text/tab-separated-values text/tab-separated-values text/markdown text/tab-separated-values text/tab-separated-values text/tab-separated-values text/markdown text/tab-separated-values text/tab-separated-values text/tab-separated-values text/tab-separated-values text/tab-separated-values text/tab-separated-values 20.0 Creative Commons CC0 1.0 Universal Public Domain Dedication. This dataset contains county-level returns for presidential elections from 2000 to 2024.