Ohio and New Mexico have been the most consistent "bellwether" state for U.S. presidential elections, voting for the winning candidate in all but three of the 30 elections since 1990 (although elections did not take place in New Mexico until 1912). This equates to Ohio being an indicator of the result in over ninety percent of presidential elections over this period. On the other end of the spectrum, the outcomes in the neighboring states of Alabama and Mississippi have been almost identical in presidential since 1900, with both states voting for the winning candidate in just 45 percent of these elections; half the rate of Ohio. Washington D.C. has a similar rate of just 47 percent, voting for the Democratic nominee in every election since it became eligible in 1960.
Share of presidential elections in the United States where states voted for the winning candidate from 1900 to 2020, by state
* Oklahoma participated in presidential elections from 1908 onwards, New Mexico from 1912 onwards, Alaska and Hawaii from 1960 onwards, and the District of Colombia from 1964 onwards.
Values calculated by Statista using data provided by the source.
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Ballotpedia. (February 18, 2021). Share of presidential elections in the United States where states voted for the winning candidate from 1900 to 2020, by state [Graph]. In Statista. Retrieved December 03, 2024, from https://www.statista.com/statistics/1077298/share-of-elections-states-voted-for-the-winning-candidate-us-presidential-elections/
Ballotpedia. "Share of presidential elections in the United States where states voted for the winning candidate from 1900 to 2020, by state." Chart. February 18, 2021. Statista. Accessed December 03, 2024. https://www.statista.com/statistics/1077298/share-of-elections-states-voted-for-the-winning-candidate-us-presidential-elections/
Ballotpedia. (2021). Share of presidential elections in the United States where states voted for the winning candidate from 1900 to 2020, by state. Statista. Statista Inc.. Accessed: December 03, 2024. https://www.statista.com/statistics/1077298/share-of-elections-states-voted-for-the-winning-candidate-us-presidential-elections/
Ballotpedia. "Share of Presidential Elections in The United States Where States Voted for The Winning Candidate from 1900 to 2020, by State." Statista, Statista Inc., 18 Feb 2021, https://www.statista.com/statistics/1077298/share-of-elections-states-voted-for-the-winning-candidate-us-presidential-elections/
Ballotpedia, Share of presidential elections in the United States where states voted for the winning candidate from 1900 to 2020, by state Statista, https://www.statista.com/statistics/1077298/share-of-elections-states-voted-for-the-winning-candidate-us-presidential-elections/ (last visited December 03, 2024)
Share of presidential elections in the United States where states voted for the winning candidate from 1900 to 2020, by state [Graph], Ballotpedia, February 18, 2021. [Online]. Available: https://www.statista.com/statistics/1077298/share-of-elections-states-voted-for-the-winning-candidate-us-presidential-elections/
