2024 Iowa Republican presidential caucuses
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40 Republican National Convention delegates | |||||||||||||||||||||||||||||||||||||||||
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| Turnout | 15% of registered Republicans in Iowa | ||||||||||||||||||||||||||||||||||||||||
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| Elections in Iowa |
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The 2024 Iowa Republican presidential caucuses were held on January 15, 2024, as part of the Republican Party primaries for the 2024 presidential election. 40 delegates to the 2024 Republican National Convention will be allocated on a proportional basis. As in past primary cycles, the Iowa caucuses were the first-in-the-nation Republican presidential nominating contest.
The results were a landslide victory for Donald Trump, with his 30-point margin being the largest margin of victory ever for a non-incumbent in the Iowa Republican caucuses. Trump won 20 delegates, Ron DeSantis won nine, Nikki Haley won eight, and Vivek Ramaswamy won three. Trump also became the first Republican ever to win a contested Iowa caucus with a majority of the vote, and third person of either major political party to do so (the others being Tom Harkin in 1992, and Al Gore in 2000). Analysts described the results as establishing him as the Republican Party's presumptive nominee, with both DeSantis's and Haley's campaigns seen as heavily damaged.
Trump also won 98 out of Iowa's 99 counties, losing Johnson County to Haley by a single vote.
Ramaswamy announced the suspension of his campaign the night of the caucus, endorsing Trump. Ramaswamy will retain his three expected delegates. Asa Hutchinson, who finished with less than 1% of the vote, dropped out the following day. DeSantis dropped out the following weekend and endorsed Trump.