2024 Iowa Republican presidential caucuses

Beginning in 1972, the Iowa caucuses have been characterized as the first major electoral test for Republican presidential contenders.{{Cite web |last=Holland |first=Brynn |date=November 25, 2019 |title=How the Iowa Caucus Has Shaped the US Presidential Race|url=https://www.history.com/news/iowa-caucus-presidential-primary |access-date=March 3, 2023 |website=History.com |archive-date=March 3, 2023|archive-url=https://web.archive.org/web/20230303021418/https://www.history.com/news/iowa-caucus-presidential-primary |url-status=live }} Despite its strategic importance, between 1976 and 2016, only three out of eight winners of the Iowa caucuses went on to receive the Republican presidential nomination.{{Cite web |last=Norwood |first=Candice |date=February 6, 2020 |title=Do Iowa caucus winners become president? History shows mixed results.|url=https://www.pbs.org/newshour/politics/do-iowa-caucus-winners-become-president-history-shows-mixed-results |access-date=March 3, 2023 |website=PBS NewsHour |language=en-us|archive-date=March 3, 2023|archive-url=https://web.archive.org/web/20230303021411/https://www.pbs.org/newshour/politics/do-iowa-caucus-winners-become-president-history-shows-mixed-results |url-status=live }}

It has been argued that the Iowa Republican caucuses effectively serve as "referendums on who is the most socially conservative candidate" in the Republican field.

Commentators have noted in the 2010s the decisive role of Evangelical Christian caucusgoers in past contests. The victory of social conservatives George W. Bush,{{Cite web |last=Walczak, Dunham |first=Lee, Richard |date=February 7, 2000 |title=Commentary: Zagging Right: Did Bush Lose More Than He Won?|url=https://www.bloomberg.com/news/articles/2000-02-06/commentary-zagging-right-did-bush-lose-more-than-he-won |access-date=January 16, 2024 |website=Bloomberg}} Mike Huckabee,{{Cite news |last=Cohn |first=Nate |date=May 5, 2015 |title=Mike Huckabee and the Continuing Influence of Evangelicals |language=en-US |work=The New York Times|url=https://www.nytimes.com/2015/05/06/upshot/mike-huckabee-and-the-continuing-influence-of-evangelicals.html |access-date=April 19, 2023 |issn=0362-4331 |quote="Most important, evangelicals also represent nearly 60 percent of Iowa caucus goers, which allowed cultural conservatives like Rick Santorum (in 2012) and Mr. Huckabee (in 2008) to carry the state." |archive-date=May 6, 2015|archive-url=https://web.archive.org/web/20150506151326/http://www.nytimes.com/2015/05/06/upshot/mike-huckabee-and-the-continuing-influence-of-evangelicals.html |url-status=live }} Rick Santorum,{{Cite web |date=April 12, 2023 |title=Trump and Iowa evangelicals: A bond that is hard to break|url=https://apnews.com/article/trump-evangelical-abortion-iowa-0707607982651226d6859733637a453e |access-date=April 19, 2023 |work=Associated Press News |language=en |quote="Beyond Cruz, former Pennsylvania Sen. Rick Santorum won the 2012 caucuses as a crusading abortion opponent. In 2008, former Arkansas Gov. Mike Huckabee, an ordained Baptist minister, posted a surprise victory by cobbling together a Christian coalition of pastors and religious home-school advocates." |archive-date=April 19, 2023|archive-url=https://web.archive.org/web/20230419100340/https://apnews.com/article/trump-evangelical-abortion-iowa-0707607982651226d6859733637a453e |url-status=live }} and Ted Cruz in the 2000, 2008, 2012, and 2016 Iowa caucuses, respectively, was credited to their strong support among evangelical voters.{{Cite web |date=February 1, 2016 |title=GOP race divides evangelical voters in Iowa|url=https://www.pbs.org/newshour/show/gop-race-divides-evangelical-voters-in-iowa |access-date=March 3, 2023 |website=PBS NewsHour |language=en-us |archive-date=March 3, 2023|archive-url=https://web.archive.org/web/20230303021418/https://www.pbs.org/newshour/show/gop-race-divides-evangelical-voters-in-iowa |url-status=live }}{{Cite news |last=Zitner |first=Aaron |title=Ted Cruz's Iowa Win Powered by Evangelicals, Conservatives|url=http://www.wsj.com/articles/voters-seek-change-as-iowa-caucus-begins-1454377162 |access-date=May 15, 2023 |website=The Wall Street Journal |date=February 2, 2016 |language=en-US |archive-date=May 15, 2023|archive-url=https://web.archive.org/web/20230515232737/https://www.wsj.com/articles/voters-seek-change-as-iowa-caucus-begins-1454377162 |url-status=live }}

In 2016, it was noted by The Des Moines Register that almost half of likely Republican caucusgoers self-identify as evangelical or born-again Christians.{{Cite web |last=Jacobs |first=Jennifer |date=February 1, 2016 |title=Cruz wins GOP caucuses, beating Trump|url=https://www.desmoinesregister.com/story/news/elections/presidential/caucus/2016/02/01/republican-ted-cruz-wins-iowa-caucuses/79625866/ |access-date=March 3, 2023 |website=The Des Moines Register |language=en-US |archive-date=January 16, 2024|archive-url=https://web.archive.org/web/20240116111717/https://www.desmoinesregister.com/story/news/elections/presidential/caucus/2016/02/01/republican-ted-cruz-wins-iowa-caucuses/79625866/ |url-status=live }} In the 2016 Iowa Republican caucus, Senator Ted Cruz of Texas defeated eventual nominee Donald Trump by a 27.6% to 24.3% margin in what was considered an upset victory.

Delegates are proportionally allocated to candidates based on the statewide vote. Unlike most states, there is no minimum threshold for a candidate to be eligible for delegates.{{cite web|url=https://apnews.com/article/how-iowa-caucus-works-2024-democrats-republicans-592ab40b9b9b948c0540f2cf132bab5c|title=Feeling caucus confusion? Your guide to how Iowa works|first=Robert|last=Yoon|date=January 5, 2024|access-date=January 12, 2024|work=Associated Press News|archive-date=January 15, 2024|archive-url=https://web.archive.org/web/20240115225942/https://apnews.com/article/how-iowa-caucus-works-2024-democrats-republicans-592ab40b9b9b948c0540f2cf132bab5c|url-status=live}}

In February 2023, the Trump campaign announced its Iowa campaign staff, with state representative Bobby Kaufmann and consultant Eric Branstad, the son of former Governor Terry Branstad, serving as senior advisors.{{Cite web |date=February 20, 2023 |title=Former President Donald Trump announces Iowa campaign staff|url=https://www.kcci.com/article/donald-trump-announces-iowa-campaign-staff/42996860 |access-date=March 3, 2023 |publisher=KCCI |language=en |archive-date=March 3, 2023 |archive-url=https://web.archive.org/web/20230303022551/https://www.kcci.com/article/donald-trump-announces-iowa-campaign-staff/42996860 |url-status=live }} In March 2023, Trump's campaign announced that it would hold an "America First Education Policy" event in Davenport on March 13, marking his first official campaign appearance in the state.{{Cite web |last=Vakil |first=Caroline |date=March 2, 2023 |title=Trump heading to Iowa this month to talk education|url=https://thehill.com/homenews/campaign/3881631-trump-heading-to-iowa-in-march-to-talk-education/ |access-date=March 3, 2023 |website=The Hill |language=en-US |archive-date=March 2, 2023|archive-url=https://web.archive.org/web/20230302233458/https://thehill.com/homenews/campaign/3881631-trump-heading-to-iowa-in-march-to-talk-education/ |url-status=live }}{{Cite web |last=Murray |first=Isabella |date=March 13, 2023|title=Trump campaigns in same Iowa city DeSantis visited Friday|url=https://abcnews.go.com/Politics/trump-campaign-same-iowa-city-desantis-visited-friday/story?id=97829935 |access-date=March 13, 2023 |website=ABC News |language=en |archive-date=March 13, 2023|archive-url=https://web.archive.org/web/20230313221847/https://abcnews.go.com/Politics/trump-campaign-same-iowa-city-desantis-visited-friday/story?id=97829935 |url-status=live }}

Nikki Haley had held 22 events in Iowa by May 19, 2023.{{Cite web |last=Stanage |first=Niall |date=May 19, 2023 |title=Exclusive — Haley to DeSantis: 'Welcome to the race, we've been waiting'|url=https://thehill.com/homenews/campaign/4011623-exclusive-haley-to-desantis-welcome-to-the-race-weve-been-waiting/ |access-date=May 21, 2023 |website=The Hill |language=en-US |archive-date=May 21, 2023|archive-url=https://web.archive.org/web/20230521045922/https://thehill.com/homenews/campaign/4011623-exclusive-haley-to-desantis-welcome-to-the-race-weve-been-waiting/ |url-status=live }} Her campaign made ad buys of $10 million in Iowa and New Hampshire beginning in December 2023.{{cite web|url=https://apnews.com/article/nikki-haley-president-republican-desantis-trump-c93fa155032fc7e3607a54816163f2b2|title=Nikki Haley will launch a $10M ad campaign to try to overtake Ron DeSantis in the GOP primary|first=Steve|last=Peoples|work=Associated Press News|date=November 14, 2023|accessdate=November 14, 2023|archive-date=November 13, 2023|archive-url=https://web.archive.org/web/20231113235931/https://apnews.com/article/nikki-haley-president-republican-desantis-trump-c93fa155032fc7e3607a54816163f2b2|url-status=live}} On December 8, Haley addressed a convention center conference where she stated her campaign had momentum and needed "to have a good showing in Iowa. I don’t think that means we have to win, necessarily, but I think that we have to have a good showing."{{cite web|url=https://www.nytimes.com/2023/12/08/us/politics/nikki-haley-iowa.html|title=In Iowa, Nikki Haley Looks Beyond Her Rivals' Attacks|date=December 8, 2023|first=Kellen|last=Browning|work=The New York Times|access-date=January 15, 2024|archive-date=December 21, 2023|archive-url=https://web.archive.org/web/20231221220829/https://www.nytimes.com/2023/12/08/us/politics/nikki-haley-iowa.html|url-status=live}}

Governor of Florida Ron DeSantis held a pair of events in the state on March 10 and was accompanied by Governor Kim Reynolds.{{Cite news |last=Bender |first=Michael C. |date=March 10, 2023 |title=A Glimpse of DeSantis in Iowa: Awkward, but Still Winning the Crowd |language=en-US |work=The New York Times|url=https://www.nytimes.com/2023/03/10/us/politics/desantis-iowa.html |access-date=March 14, 2023 |issn=0362-4331 |archive-date=May 19, 2023|archive-url=https://web.archive.org/web/20230519032107/https://www.nytimes.com/2023/03/10/us/politics/desantis-iowa.html |url-status=live }} Reynolds remained neutral between Trump and DeSantis, which caused Trump to post on Truth Social accusing her of stealing the race from him and that like DeSantis, she would not have been elected without Trump's help.{{Cite news|last=Garrity|first=Kelly|date=July 10, 2023|title=Trump swings at Iowa Gov. Kim Reynolds|language=en-US|work=Politico|url=https://www.politico.com/news/2023/07/10/trump-kim-reynolds-desantis-iowa-00105443|access-date=July 11, 2023|archive-date=July 11, 2023|archive-url=https://web.archive.org/web/20230711103805/https://www.politico.com/news/2023/07/10/trump-kim-reynolds-desantis-iowa-00105443|url-status=live}} Reynolds broke her neutrality in November 2023 and endorsed DeSantis.{{Cite web|last=Sforza|first=Lauren|date=November 7, 2023|title=Iowa governor officially endorses DeSantis at Des Moines rally|url=https://thehill.com/homenews/campaign/4296720-iowa-governor-officially-endorses-desantis-at-des-moines-rally/|access-date=November 13, 2023|website=The Hill|language=en-US|archive-date=November 10, 2023|archive-url=https://web.archive.org/web/20231110235357/https://thehill.com/homenews/campaign/4296720-iowa-governor-officially-endorses-desantis-at-des-moines-rally/|url-status=live}} Between October and December, DeSantis toured all 99 Iowan counties.{{cite web|agency=Associated Press|date=December 2, 2023|title=Ron DeSantis to complete tour of Iowa counties as 2024 state caucuses loom|website=The Guardian|url=https://www.theguardian.com/us-news/2023/dec/02/ron-desantis-iowa-county-tour|access-date=December 2, 2023|archive-date=December 2, 2023|archive-url=https://web.archive.org/web/20231202143301/https://www.theguardian.com/us-news/2023/dec/02/ron-desantis-iowa-county-tour|url-status=live}} In December, DeSantis' wife, Casey DeSantis, was widely criticized for calling on Republicans from other states to participate in the Iowa caucuses.{{cite web|last=Luscombe|first=Richard|date=December 9, 2023|title=Casey DeSantis encourages Republicans nationwide to vote in Iowa caucus|website=The Guardian|url=https://www.theguardian.com/us-news/2023/dec/09/casey-desantis-ron-desantis-iowa-election-fraud|access-date=December 18, 2023|archive-date=December 17, 2023|archive-url=https://web.archive.org/web/20231217123518/https://www.theguardian.com/us-news/2023/dec/09/casey-desantis-ron-desantis-iowa-election-fraud|url-status=live}}

Asa Hutchinson focused most of his energy campaigning in the state, hoping to perform well and use that success as a springboard for the rest of his campaign.{{cite news |last1=Kornfield |first1=Meryl|title=Asa Hutchinson reminds Iowans who forgot him: 'I'm still running' |url=https://www.washingtonpost.com/politics/2024/01/09/asa-hutchinson-campaign-iowa-2024/ |newspaper=The Washington Post |access-date=January 10, 2024|archive-date=January 9, 2024|archive-url=https://web.archive.org/web/20240109201152/https://www.washingtonpost.com/politics/2024/01/09/asa-hutchinson-campaign-iowa-2024/ |url-status=live }}{{cite web|last1=Patel|first1=Ronak|title=Former AR Gov. Asa Hutchinson will be part of the Iowa Caucus|url=https://www.ualrpublicradio.org/local-regional-news/2024-01-07/former-ar-gov-asa-hutchinson-will-be-part-of-the-iowa-caucus|website=Little Rock Public Radio |date=January 8, 2024 |publisher=NPR |access-date=January 10, 2024 |archive-date=January 10, 2024|archive-url=https://web.archive.org/web/20240110204014/https://www.ualrpublicradio.org/local-regional-news/2024-01-07/former-ar-gov-asa-hutchinson-will-be-part-of-the-iowa-caucus |url-status=live }}

{{main|Endorsements in the 2024 Republican Party presidential primaries}}

{{Endorsements box|title=Ron DeSantis|colwidth = 60|list=

Governors

• Kim Reynolds, Governor of Iowa (2017–present); Chairwoman of the Republican Governors Association (2022–present); Lieutenant Governor of Iowa (2011–2017); Iowa State Senator from District 48 (2009–2011); Treasurer of Clarke County (1995–2009){{Cite web|last=Sforza|first=Lauren|date=November 6, 2023|title=Iowa governor officially endorses DeSantis at Des Moines rally|url=https://thehill.com/homenews/campaign/4296720-iowa-governor-officially-endorses-desantis-at-des-moines-rally/|access-date=November 6, 2023|website=The Hill|archive-date=November 7, 2023|archive-url=https://web.archive.org/web/20231107025855/https://thehill.com/homenews/campaign/4296720-iowa-governor-officially-endorses-desantis-at-des-moines-rally/|url-status=live}}

State senators

• Amy Sinclair, District 12 (2023–present) and District 14 (2013–2023); President (2023–present)
• Jack Whitver, District 23 (2023–present), District 19 (2013–2023), and District 35 (2011–2013); Majority Leader (2018–present){{Cite web |last=Meyer |first=Kellie |date=May 12, 2023 |title=Trump, Desantis to Headline Competing Iowa Events|url=https://www.newsnationnow.com/politics/2024-election/trump-desantis-headline-iowa-events/ |access-date=July 15, 2023 |website=NewsNation |archive-date=July 15, 2023|archive-url=https://web.archive.org/web/20230715225927/https://www.newsnationnow.com/politics/2024-election/trump-desantis-headline-iowa-events/ |url-status=live }}
• Dave Rowley, District 5 (2023–present) and District 1 (2022–2023){{cite web|url=https://www.politico.com/news/2023/05/12/desantis-iowa-endorsements-00096770|title=DeSantis rolls out a major slate of Iowa endorsements|last=Isenstadt|first=Alex|date=May 12, 2023|access-date=May 12, 2023|website=Politico|archive-date=May 12, 2023|archive-url=https://web.archive.org/web/20230512212236/https://www.politico.com/news/2023/05/12/desantis-iowa-endorsements-00096770|url-status=live}}
• Mark Costello, District 8 (2023–present) and District 12 (2015–2023)
• Tom Shipley, District 9 (2023–present) and District 11 (2015–2023)
• Ken Rozenboom, District 19 (2023–present) and District 40 (2013–2023)
• Jesse Green, District 24 (2021–present)
• Dennis Guth, District 28 (2023–present) and District 4 (2013–2023)
• Waylon Brown, District 30 (2023–present) and District 26 (2017–2023)
• Mike Klimesh, District 32 (2023–present) and District 28 (2021–2023); Mayor of Spillville (2008–2020)
• Dan Zumbach, District 34 (2023–present) and District 48 (2013–2023){{Cite web|last1=Korecki|first1=Natasha|last2=Gomez|first2=Henry J.|date=June 2, 2023|title=Porn Stars vs. Parenthood: Ron DeSantis Plays the Family Card Against Trump|url=https://www.nbcnews.com/politics/2024-election/ron-desantis-plays-family-card-trump-iowa-rcna86823|access-date=June 3, 2023|publisher=NBC News|archive-date=June 2, 2023|archive-url=https://web.archive.org/web/20230602235436/https://www.nbcnews.com/politics/2024-election/ron-desantis-plays-family-card-trump-iowa-rcna86823|url-status=live}}
• Adrian Dickey, District 44 (2023–present) and District 41 (2021–2023)
• Scott Webster, District 47 (2023–present) (switched endorsement to Ramaswamy){{cite web |last=Allison |first=Natalie |title=Ramaswamy: 'I don't have a particular personal beef with DeSantis at all'|url=https://www.politico.com/news/2023/06/05/ramaswamy-desantis-interview-buttigieg-2024-00100275 |work=Politico |date=June 5, 2023 |access-date=August 13, 2023 |archive-date=June 29, 2023|archive-url=https://web.archive.org/web/20230629072452/https://www.politico.com/news/2023/06/05/ramaswamy-desantis-interview-buttigieg-2024-00100275 |url-status=live }}
• Jeff Reichman, District 50 (2023–present) and District 42 (2021–2023) (previously endorsed Trump)

State representatives

• Matt Windschitl, District 15 (2023–present), District 17 (2013–2023), and District 56 (2007–2013); Majority Leader (2020–present)
• John Wills, District 10 (2023–present) and District 1 (2015–2023); Speaker Pro Tempore (2020–present)
• Robert Henderson, District 2 (2023–present)
• Skyler Wheeler, District 4 (2017–present)
• Ann Meyer, District 8 (2023–present) and District 9 (2019–2023)
• Henry Stone, District 9 (2023–present) and District 7 (2021–2023)
• Brian Best, District 11 (2023–present) and District 12 (2015–2023)
• Steven Holt, District 12 (2023–present) and District 18 (2015–2023) (switched endorsement to Ramaswamy)
• Ken Carlson, District 13 (2023–present)
• David Sieck, District 16 (2023–present) and District 23 (2015–2023)
• Devon Wood, District 17 (2023–present)
• Tom Moore, District 18 (2023–present) and District 21 (2015–2023)
• Brent Siegrist, District 19 (2023–present), District 16 (2021–2023), District 84 (1993–2003), and District 99 (1985–1993)
• Hans Wilz, District 25 (2023–present)
• Jon Dunwell, District 38 (2023–present) and District 29 (2021–2023)
• Bill Gustoff, District 40 (2023–present)
• Dan Gehlbach, District 46 (2023–present)
• Carter Nordman, District 47 (2023–present) and District 19 (2021–2023)
• Phil Thompson, District 48 (2023–present) and District 47 (2019–2023)
• Dave Deyoe, District 51 (2023–present), District 49 (2013–2023), and District 10 (2007–2013)
• Dean Fisher, District 53 (2023–present) and District 72 (2013–2023)
• Tom Determann, District 69 (2023–present)
• Norlin Mommsen, District 70 (2023–present) and District 97 (2015–2023)
• Mike Vondran, District 94 (2023–present)
• Taylor Collins, District 95 (2023–present)

Notable individuals

• Bob Vander Plaats, political activist and president and CEO of The Family Leader{{cite news|last1=Hernández|first1=Alec|last2=Tablet|first2=Alex|date=November 21, 2023|url=https://www.nbcnews.com/politics/2024-election/ron-desantis-endorsed-iowa-evangelical-leader-bob-vander-plaats-rcna126189|title=Ron DeSantis secures endorsement from Iowa evangelical leader Bob Vander Plaats|location=Des Moines, Iowa|publisher=NBC News|access-date=November 21, 2023|archive-date=November 22, 2023|archive-url=https://web.archive.org/web/20231122000130/https://www.nbcnews.com/politics/2024-election/ron-desantis-endorsed-iowa-evangelical-leader-bob-vander-plaats-rcna126189|url-status=live}}

}}

{{Endorsements box|title=Nikki Haley|list=

Former executive branch officials

• Mary Kramer, United States Ambassador to Barbados and the Eastern Caribbean (2004–2006)
• Mary Ann Hanusa, Director of the White House Office of Presidential Correspondence (2001–2006), Iowa State Representative of the 99th district (2011–2013) and the 16th district (2013–2021){{Cite web|url=https://nonpareilonline.com/news/local/government-politics/council-bluffs-mayor-matt-walsh-endorses-nikki-haley/article_f43558d0-aa35-11ee-a024-3f86118db5c7.html|title=Council Bluffs Mayor Matt Walsh endorses Nikki Haley in Republican caucuses|first=Scott|last=Stewart|date=January 3, 2024|website=Daily Nonpareil|access-date=January 6, 2024|archive-date=January 6, 2024|archive-url=https://web.archive.org/web/20240106043625/https://nonpareilonline.com/news/local/government-politics/council-bluffs-mayor-matt-walsh-endorses-nikki-haley/article_f43558d0-aa35-11ee-a024-3f86118db5c7.html|url-status=live}}

State senators

• Chris Cournoyer, District 35 (2019–present){{cite web|title=Nikki Haley's Iowa leadership team boasts Republican strategists and local politicians|url=https://www.desmoinesregister.com/story/news/2023/06/11/nikki-haley-announces-five-member-iowa-campaign-team/70311626007/|date=June 11, 2023|work=Des Moines Register|author1=Alviz-Gransee, Noelle|author2=Block, Francesca|access-date=August 13, 2023|archive-date=January 16, 2024|archive-url=https://web.archive.org/web/20240116111810/https://www.desmoinesregister.com/story/news/2023/06/11/nikki-haley-announces-five-member-iowa-campaign-team/70311626007/|url-status=live}}
• Bob Brunkhorst, District 7 (2002–2005)

State representatives

• Megan Jones, District 6 (2013–present){{Cite web |last=Jones |first=Megan |date=January 2, 2024 |title=Haley garners local Iowa endorsements as campaign focus shifts to January caucus |url=https://abcnews4.com/news/local/nikki-haley-garners-local-iowa-endorsements-as-campaign-focus-shifts-to-january-caucus-south-carolina-politics-wciv-news-4 |access-date=January 2, 2024 |website=ABC4 News |language=en-US |archive-date=January 2, 2024|archive-url=https://web.archive.org/web/20240102223533/https://abcnews4.com/news/local/nikki-haley-garners-local-iowa-endorsements-as-campaign-focus-shifts-to-january-caucus-south-carolina-politics-wciv-news-4 |url-status=live }}
• Jacob Bossman, District 14 (2018–present){{cite web|last=Opsahl|first=Robin|title=Nikki Haley says she and Trump will run a two-way race after Iowa caucuses|url=https://iowacapitaldispatch.com/2023/12/08/nikki-haley-says-she-and-trump-will-run-a-two-way-race-after-iowa-caucuses/|publisher=Iowa Capital Dispatch|access-date=December 8, 2023|date=December 8, 2023|archive-date=December 9, 2023|archive-url=https://web.archive.org/web/20231209031355/https://iowacapitaldispatch.com/2023/12/08/nikki-haley-says-she-and-trump-will-run-a-two-way-race-after-iowa-caucuses/|url-status=live}}
• Austin Harris, District 26 (2023–present){{cite web|last=Harris|first=Austin|title=Harris: How to win in Iowa|url=https://iowatorch.com/2023/04/21/harris-how-to-win-in-iowa/|publisher=The Iowa Torch|access-date=November 21, 2023|date=April 21, 2023|archive-date=May 29, 2023|archive-url=https://web.archive.org/web/20230529052803/https://iowatorch.com/2023/04/21/harris-how-to-win-in-iowa/|url-status=live}}
• Brian Lohse, District 45 (2019–present)
• Shannon Latham, District 55 (2021–present){{Cite web|last=Tugade|first=F. Amanda|date=September 7, 2023|title=Nikki Haley had a moment at the first Republican debate. But is she missing her chance in Iowa?|url=https://www.desmoinesregister.com/story/news/elections/presidential/caucus/2023/09/07/nikki-haley-had-a-moment-at-the-gop-debate-can-she-capitalize-on-it/70682244007|access-date=September 14, 2023|website=The Des Moines Register|archive-date=January 16, 2024|archive-url=https://web.archive.org/web/20240116111739/https://www.desmoinesregister.com/story/news/elections/presidential/caucus/2023/09/07/nikki-haley-had-a-moment-at-the-gop-debate-can-she-capitalize-on-it/70682244007/|url-status=live}}
• Jane Bloomingdale, District 60 (2017–present){{cite web|last=Pfannenstiel|first=Brianne|title=Nikki Haley unveils dozens of Iowa endorsers after another post-presidential debate boost|url=https://www.desmoinesregister.com/story/news/elections/presidential/caucus/2023/11/14/nikki-haley-endorsers-2024-election-president-david-oman-doug-gross-christine-hensley/71571888007/|website=Des Moines Register|access-date=November 14, 2023|date=November 14, 2023|archive-date=January 16, 2024|archive-url=https://web.archive.org/web/20240116112235/https://www.desmoinesregister.com/story/news/elections/presidential/caucus/2023/11/14/nikki-haley-endorsers-2024-election-president-david-oman-doug-gross-christine-hensley/71571888007/|url-status=live}}
• Chad Ingels, District 68 (2021–present){{cite web|last1=Ingels|first1=Chad|title=Nikki Haley is the right person|url=https://www.communitynewspapergroup.com/oelwein_daily_register/nikki-haley-is-the-right-person/article_856e636a-a062-11ee-b45c-a7b160b6b43a.html|website=Oelwein Daily Register|access-date=January 2, 2024|date=December 23, 2023|archive-date=January 2, 2024|archive-url=https://web.archive.org/web/20240102113438/https://www.communitynewspapergroup.com/oelwein_daily_register/nikki-haley-is-the-right-person/article_856e636a-a062-11ee-b45c-a7b160b6b43a.html|url-status=live}}
• Carmine Boal, District 70 (1999–2009)
• Dan Clute, District 59 (2007–2009)
• George Eichhorn, District 9 (2001–2007){{cite web|last=Fisher|first=Zach|title=Nikki Haley lands endorsements from former Iowa lawmakers|url=https://who13.com/news/politics/nikki-haley-lands-endorsements-from-former-iowa-lawmakers/|website=WHO Des Moines|access-date=November 14, 2023|date=November 4, 2023|archive-date=November 14, 2023|archive-url=https://web.archive.org/web/20231114200024/https://who13.com/news/politics/nikki-haley-lands-endorsements-from-former-iowa-lawmakers/|url-status=live}}
• Scott Raecker, District 63 (1999–2012)

Mayors

• Brett Barker, Nevada (2018–present) {{Cite web|url=https://www.youtube.com/watch?v=SMB2HYBXfDY|title=Nevada, IA Mayor Brett Barker Endorses Nikki Haley|via=YouTube|access-date=December 21, 2023|archive-date=December 18, 2023|archive-url=https://web.archive.org/web/20231218184524/https://www.youtube.com/watch?app=desktop&v=SMB2HYBXfDY|url-status=live}}
• Nelson Crabbe, Clear Lake (2006–present){{cite web|url=https://www.desmoinesregister.com/story/news/elections/presidential/caucus/2023/12/09/unlike-donald-trump-wont-get-chaos-nikki-haley-tells-iowans-after-fourth-gop-debate-iowa-caucus-gop/71804947007/|title='You won't get chaos with me,' Nikki Haley tells Iowans in post-debate campaign visit|date=December 9, 2023|first1=Stephen|last1=Gruber-Miller|first2=Brianne|last2=Pfannenstiel|work=Des Moines Register|access-date=December 9, 2023|archive-date=January 16, 2024|archive-url=https://web.archive.org/web/20240116112239/https://www.desmoinesregister.com/story/news/elections/presidential/caucus/2023/12/09/unlike-donald-trump-wont-get-chaos-nikki-haley-tells-iowans-after-fourth-gop-debate-iowa-caucus-gop/71804947007/|url-status=live}}
• Matt Walsh, Council Bluffs (2013–present)

Notable individuals

• Steve Lacy, CEO of Meredith Corporation

}}

{{Endorsements box|title=Asa Hutchinson|list=

Newspapers

• Storm Lake Times{{Cite web|url=https://www.stormlake.com/articles/editorial-caucus-for-hutchinson/ |title=Editorial: Caucus for Hutchinson - Storm Lake Times Pilot |date=January 10, 2024 |access-date=January 15, 2024 |archive-date=January 14, 2024|archive-url=https://web.archive.org/web/20240114204648/https://www.stormlake.com/articles/editorial-caucus-for-hutchinson/ |url-status=live }}

}}

{{Endorsements box|title=Vivek Ramaswamy|list=

Former U.S. Representatives

• Steve King, IA-04 (2013–2021) and IA-05 (2003–2013){{Cite web|last=Wren|first=Adam|date=January 2, 2024|title=Former Iowa Rep. Steve King endorses Vivek Ramaswamy for president|url=https://www.politico.com/news/2024/01/02/steve-king-endorse-vivek-ramaswamy-2024-00133535|access-date=January 6, 2024|website=Politico|archive-date=January 4, 2024|archive-url=https://web.archive.org/web/20240104165140/https://www.politico.com/news/2024/01/02/steve-king-endorse-vivek-ramaswamy-2024-00133535|url-status=live}}

State executive officials

• Roby Smith, State Treasurer (2023–present); Iowa State Senator from District 47 (2011–2023){{cite web|last=Vakil|first=Caroline|title=Iowa Treasurer Endorses Ramaswamy in GOP Primary|url=https://thehill.com/homenews/campaign/4162175-iowa-treasurer-endorses-ramaswamy-in-gop-primary/|work=The Hill|date=August 21, 2023|access-date=August 21, 2023|archive-date=August 21, 2023|archive-url=https://web.archive.org/web/20230821135810/https://thehill.com/homenews/campaign/4162175-iowa-treasurer-endorses-ramaswamy-in-gop-primary/|url-status=live}}

State senators

• Scott Webster, District 47 (2023–present) (previously endorsed DeSantis)

}}

{{Endorsements box|title=Donald Trump|colwidth = 60|list=

Former Executive Branch officials

• Matthew Whitaker, Acting United States Attorney General (2018–2019)

Former U.S. Representatives

• Rod Blum, IA-01 (2015–2019){{cite web|last=Murray|first=Isabella|title=Trump to campaign in same Iowa city DeSantis visited Friday|url=https://abcnews.go.com/Politics/trump-campaign-same-iowa-city-desantis-visited-friday/story?id=97829935|website=ABC News|access-date=March 15, 2023|archive-date=March 15, 2023|archive-url=https://web.archive.org/web/20230315050930/https://abcnews.go.com/Politics/trump-campaign-same-iowa-city-desantis-visited-friday/story?id=97829935|url-status=live}}

State Executive officials

• Brenna Bird, Attorney General of Iowa (2023–present){{cite news |title=Which 2024 Republican Presidential Candidate Has The Most Endorsements?|url=https://projects.fivethirtyeight.com/2024-election-endorsements/ |access-date=April 25, 2023 |work=FiveThirtyEight |date=April 24, 2023 |archive-date=April 25, 2023|archive-url=https://web.archive.org/web/20230425060930/https://projects.fivethirtyeight.com/2024-election-endorsements/ |url-status=dead }}

State senators

• Lynn Evans, District 3 (2023–present){{Cite web|url=https://www.donaldjtrump.com/news/aee47b4a-d9ca-48bf-95da-d6ebe3398de4|title=President Trump Announces Support from Over 150 Elected and Grassroots Leaders Across All 99 Counties in Iowa|website=donaldjtrump.com|access-date=May 15, 2023|archive-date=May 15, 2023|archive-url=https://web.archive.org/web/20230515173826/https://www.donaldjtrump.com/news/aee47b4a-d9ca-48bf-95da-d6ebe3398de4|url-status=live}}
• Julian Garrett, District 11 (2023–present) and District 13 (2013–2023)
• Tim Kraayenbrink, District 4 (2023–present) and District 5 (2015–2023)
• Charlie McClintock, District 4 (2023–present)
• Jeff Reichman, District 50 (2023–present) and District 42 (2021–2023) (switched endorsement to DeSantis){{cite web |last1=Gancarski |first1=A.G. |title=Iowa Senator says he endorsed Ron DeSantis because Donald Trump insulted his Governor |url=https://floridapolitics.com/archives/623372-iowa-senator-says-he-endorsed-ron-desantis-because-donald-trump-insulted-his-governor/ |publisher=Florida Politics |date=July 15, 2023 |access-date=July 16, 2023 |archive-date=July 16, 2023|archive-url=https://web.archive.org/web/20230716064802/https://floridapolitics.com/archives/623372-iowa-senator-says-he-endorsed-ron-desantis-because-donald-trump-insulted-his-governor/ |url-status=live }}
• Cherielynn Westrich, District 13 (2023–present)
• Brad Zaun, President pro tempore of the Iowa Senate (2021–present) and 22nd district (2023–present), the 20th district (2013–2023) and the 32nd district (2005–2013){{Cite news|last=Gancarski|first=A.G.|date=May 12, 2023|title=Ron DeSantis, Donald Trump schedule dueling Iowa stops|work=Florida Politics|url=https://floridapolitics.com/archives/611489-iowa-saturday/|access-date=May 12, 2023|archive-date=May 12, 2023|archive-url=https://web.archive.org/web/20230512173816/https://floridapolitics.com/archives/611489-iowa-saturday/|url-status=live}}

State representatives

• Brooke Boden, District 21 (2023–present) and District 26 (2021–2023)
• Steve Bradley, District 66 (2023–present) and District 58{{cite news|last=King|first=Ryan|date=March 13, 2023|title=Trump campaign rolls out Iowa endorsements ahead of visit to early 2024 battleground|url=https://www.washingtonexaminer.com/news/campaigns/trump-campaign-touts-endorsements-local-iowa|access-date=March 15, 2023|website=Washington Examiner|archive-date=March 14, 2023|archive-url=https://web.archive.org/web/20230314172130/https://www.washingtonexaminer.com/news/campaigns/trump-campaign-touts-endorsements-local-iowa|url-status=live}}
• Mark Cisneros, District 96 (2023–present) and District 91 (2021–2023){{cite news|last=Jacobs|first=Jennifer|date=March 11, 2023|title=DeSantis Eyes Hiring Iowa Staff in Step Toward Possible 2024 Bid|url=https://www.bloomberg.com/news/articles/2023-03-11/ron-desantis-aides-in-iowa-sound-out-operatives-for-2024-team|access-date=March 15, 2023|publisher=Bloomberg L.P.|archive-date=March 13, 2023|archive-url=https://web.archive.org/web/20230313071408/https://www.bloomberg.com/news/articles/2023-03-11/ron-desantis-aides-in-iowa-sound-out-operatives-for-2024-team|url-status=live}}
• Cindy Golding, District 83 (2023–present)
• Stan Gustafson, District 22 (2023–present) and District 25 (2014–2023)
• Heather Hora, District 92 (2023–present)
• Craig Johnson, District 67 (2023–present)
• Bobby Kaufmann, District 82 (2023–present) and District 73 (2013–2023){{cite news|last=McCullough|first=Caleb|date=February 20, 2023|title=Former President Donald Trump names Iowa campaign leaders|url=https://siouxcityjournal.com/news/state-and-regional/govt-and-politics/former-president-donald-trump-names-iowa-campaign-leaders/article_827ce15c-7683-50ec-a7d5-92a88a26df1b.html|access-date=March 15, 2023|website=Sioux City Journal|archive-date=February 28, 2023|archive-url=https://web.archive.org/web/20230228063459/https://siouxcityjournal.com/news/state-and-regional/govt-and-politics/former-president-donald-trump-names-iowa-campaign-leaders/article_827ce15c-7683-50ec-a7d5-92a88a26df1b.html|url-status=live}}
• Shannon Lundgren, 65th district (2023–present) and the 57th district (2017–2023){{Cite news|last=Lundgren|first=Shannon|date=May 30, 2023|title=Opinion: Trump showed that he can capably lead America and protect the unborn|work=Des Moines Register|url=https://www.desmoinesregister.com/story/opinion/columnists/iowa-view/2023/05/30/donald-trump-lead-america-protect-unborn/70268456007/|access-date=May 30, 2023|archive-date=January 16, 2024|archive-url=https://web.archive.org/web/20240116111557/https://www.desmoinesregister.com/story/opinion/columnists/iowa-view/2023/05/30/donald-trump-lead-america-protect-unborn/70268456007/|url-status=live}}
• Anne Osmundson, District 64 (2023–present) and District 56 (2019–2023)
• Mike Sexton, 7th district (2023–present) and the 10th district (2015–2023){{Cite news|last=Jenkins|first=Mike|date=July 7, 2023|title=Trump Launches 'Farmers For Trump' Coalition In Iowa|work=Tampa Free Press|url=https://www.tampafp.com/trump-launches-farmers-for-trump-coalition-in-iowa/|access-date=July 7, 2023|archive-date=July 7, 2023|archive-url=https://web.archive.org/web/20230707181047/https://www.tampafp.com/trump-launches-farmers-for-trump-coalition-in-iowa/|url-status=live}}
• Brad Sherman, District 91 (2023–present)
• Luana Stoltenberg, 81st district (2023–present){{Cite news|last=Watson|first=Sarah|date=September 21, 2023|title=In Jackson County, Trump urges supporters to caucus|work=Quad-City Times|url=https://qctimes.com/news/local/government-politics/in-jackson-county-trump-urges-supporters-to-caucus/article_b72ed932-57cb-11ee-82d7-c39b3021e36e.html|access-date=September 24, 2023|archive-date=September 25, 2023|archive-url=https://web.archive.org/web/20230925170616/https://qctimes.com/news/local/government-politics/in-jackson-county-trump-urges-supporters-to-caucus/article_b72ed932-57cb-11ee-82d7-c39b3021e36e.html|url-status=live}}
• Charley Thomson, 58th district (2023–present){{Cite news|date=October 7, 2023|title=Watch live: Trump delivers remarks in Iowa|work=The Hill|url=https://thehill.com/homenews/4243681-watch-live-trump-speaks-in-waterloo-iowa/|access-date=October 7, 2023|archive-date=October 7, 2023|archive-url=https://web.archive.org/web/20231007214631/https://thehill.com/homenews/4243681-watch-live-trump-speaks-in-waterloo-iowa/|url-status=live}}
• Derek Wulf, District 76 (2023–present)

Notable individuals

• Eric Branstad, political consultant{{cite news|last1=Isenstadt|first1=Alex|title=Trump prepares to open next phase of 2024 campaign in South Carolina|url=https://www.politico.com/news/2023/01/12/trump-2024-campaign-south-carolina-00077612|access-date=March 15, 2023|work=Politico|date=January 12, 2023|archive-date=January 16, 2023|archive-url=https://web.archive.org/web/20230116230252/https://www.politico.com/news/2023/01/12/trump-2024-campaign-south-carolina-00077612|url-status=live}}

}}

{{Endorsements box|title=Declined to endorse|list=

U.S. Senators

• Joni Ernst, (2015–present){{Cite news|url=https://www.nytimes.com/2023/07/08/us/politics/trump-desantis-iowa-governor.html|title=Trump and DeSantis Are Battling for Iowa Voters. And for Its Governor, Too.|first1=Shane|last1=Goldmacher|first2=Jonathan|last2=Swan|first3=Maggie|last3=Haberman|work=The New York Times|date=July 8, 2023|access-date=July 20, 2023|archive-date=July 20, 2023|archive-url=https://web.archive.org/web/20230720131823/https://www.nytimes.com/2023/07/08/us/politics/trump-desantis-iowa-governor.html|url-status=live}}
• Chuck Grassley, (1981–present){{Cite web|url=https://qctimes.com/news/state-and-regional/iowa/grassley-unlikely-to-issue-2024-presidential-endorsement/article_696df9a1-a39b-534a-a4ab-b0b388c3872a.html|title=Grassley unlikely to issue 2024 presidential endorsement|website=qctimes.com|date=December 15, 2022|access-date=December 2, 2023|archive-date=December 2, 2023|archive-url=https://web.archive.org/web/20231202234835/https://qctimes.com/news/state-and-regional/iowa/grassley-unlikely-to-issue-2024-presidential-endorsement/article_696df9a1-a39b-534a-a4ab-b0b388c3872a.html|url-status=live}}

U.S. Representatives

• Randy Feenstra, IA-04 (2021–present){{cite web|last1=Ferris|first1=Sarah|last2=Mutnick|first2=Ally|last3=Everett|first3=Burgess|title=DeSantis gets warm words at GOP Hill event, but few endorsements|url=https://www.politico.com/news/2023/04/18/desantis-republican-presidential-race-2024-00092602|work=Politico|date=April 18, 2023|quote=“I’m not endorsing anybody. I just think it’s always good to see who’s out there,” Rep. Randy Feenstra (R-Iowa) said|access-date=April 26, 2023|archive-date=April 25, 2023|archive-url=https://web.archive.org/web/20230425235740/https://www.politico.com/news/2023/04/18/desantis-republican-presidential-race-2024-00092602|url-status=live}}
• Ashley Hinson, IA-01 (2021–2023), IA-02 (2023–present){{Cite web|url=https://www.thegazette.com/campaigns-elections/campaign-almanac-more-gop-presidential-candidates-added-to-ashley-hinsons-bbq-bash/|title=Campaign Almanac: More GOP presidential candidates added to Ashley Hinson's BBQ Bash|website=thegazette.com|access-date=July 20, 2023|archive-date=July 20, 2023|archive-url=https://web.archive.org/web/20230720222828/https://www.thegazette.com/campaigns-elections/campaign-almanac-more-gop-presidential-candidates-added-to-ashley-hinsons-bbq-bash/|url-status=live}}
• Zach Nunn, IA-03 (2023–present){{Cite web|url=https://www.stamfordadvocate.com/news/politics/article/desantis-would-consider-iowa-s-reynolds-as-18202594.php|title=DeSantis would consider Iowa's Reynolds as running mate, calls Trump's attack of her 'out of hand'|first=Thomas|last=Beaumont|date=July 16, 2023|website=Stamford Advocate|access-date=July 21, 2023|archive-date=July 21, 2023|archive-url=https://web.archive.org/web/20230721005132/https://www.stamfordadvocate.com/news/politics/article/desantis-would-consider-iowa-s-reynolds-as-18202594.php|url-status=live}}

Newspapers

• Quad-City Times{{Cite web|date=January 7, 2024|title=Editorial: Quad-City Times won't endorse prior to Iowa caucuses|url=https://qctimes.com/opinion/editorial/quad-city-times-editorial-board-no-endorsement-iowa-caucuses/article_a4fdec26-abdb-11ee-a11a-c7d188d5f21b.html|website=Quad-City Times|access-date=January 7, 2024|archive-date=January 7, 2024|archive-url=https://web.archive.org/web/20240107130421/https://qctimes.com/opinion/editorial/quad-city-times-editorial-board-no-endorsement-iowa-caucuses/article_a4fdec26-abdb-11ee-a11a-c7d188d5f21b.html|url-status=live}}

}}

{{multiple image

|total_width=500px

|align=left

|image1=2024 United States presidential election Republican primary Iowa Senate endorsements.svg|caption1=Endorsements by incumbent Republicans in the Iowa Senate.
{{Legend|#a8002a|Endorsed Ron DeSantis (13)}}{{Legend|#283681|Endorsed Donald Trump (8)}}{{Legend|#fe6100|Endorsed Nikki Haley (1)}}{{Legend|#ffb000|Endorsed Vivek Ramaswamy (1)}}{{Legend|#f48882|No endorsement (11)}}

|image2=2024 United States presidential election Republican primary Iowa House endorsements.svg|caption2=Endorsements by incumbent Republicans in the Iowa House of Representatives.
{{Legend|#a8002a|Endorsed Ron DeSantis (27)}}{{Legend|#283681|Endorsed Donald Trump (15)}}{{Legend|#fe6100|Endorsed Nikki Haley (7)}}{{Legend|#ffb000|Endorsed Vivek Ramaswamy (1)}}{{Legend|#f48882|No endorsement (14)}}

}}

{{clear}}

File:Opinion polling for the 2024 Iowa Republican presidential caucuses.svg graph of all polls conducted since November 2022.]]

Aggregate polls

File:2024 Iowa Republican presidential caucuses vote share and plurality.svg

Just minutes after the caucus events started at 7 pm local time, Trump was projected to win the most votes by the Associated Press.{{Cite web|url=https://www.wsj.com/livecoverage/iowa-caucus-republican-primary-2024|website=The Wall Street Journal|title=Trump wins Iowa|date=January 15, 2024|access-date=January 16, 2024|archive-date=January 16, 2024|archive-url=https://web.archive.org/web/20240116013656/https://www.wsj.com/livecoverage/iowa-caucus-republican-primary-2024|url-status=live}} Trump received 20 delegates, DeSantis nine, Haley eight, and Ramaswamy three.{{Cite web |title=Iowa Caucus 2024 Live Election Results |url=https://www.nbcnews.com/politics/2024-primary-elections/iowa-president-results |access-date=January 16, 2024 |publisher=NBC News |language=en |archive-date=January 15, 2024 |archive-url=https://web.archive.org/web/20240115235416/https://www.nbcnews.com/politics/2024-primary-elections/iowa-president-results |url-status=live }} Barring any shifts in votes after the conclusion of the Iowa Republican Party's ongoing recanvass of the caucus results,{{Cite web |date=January 16, 2024 |title=Trump's sweep denied ... for now |url=https://www.politico.com/live-updates/2024/01/15/iowa-caucus/sweep-denied-for-now-00135754 |access-date=January 29, 2024 |website=POLITICO |language=en}} Trump won all of Iowa's counties except for Johnson County, which he lost to Haley by one vote.

DeSantis and Haley finished second and third place respectively.{{Cite web |last=Yilek |first=Caitlin |date=January 15, 2024 |title=DeSantis takes second place over Haley in Iowa caucuses, vowing to remain in 2024 race |url=https://www.cbsnews.com/news/iowa-caucus-2024-results-donald-trump/ |access-date=January 16, 2024 |publisher=CBS News |language=en-US |archive-date=January 16, 2024 |archive-url=https://web.archive.org/web/20240116023350/https://www.cbsnews.com/news/iowa-caucus-2024-results-donald-trump/ |url-status=live }}{{Cite web |last=Leonard |first=Kimberly |date=January 15, 2024 |title=DeSantis ekes out second-place finish in Iowa|url=https://www.politico.com/news/2024/01/15/ron-desantis-iowa-second-place-haley-00135742 |access-date=January 16, 2024 |website=Politico |language=en |archive-date=January 16, 2024 |archive-url=https://web.archive.org/web/20240116111543/https://www.politico.com/news/2024/01/15/ron-desantis-iowa-second-place-haley-00135742 |url-status=live }} Ramaswamy, who placed fourth, announced the suspension of his campaign the night of the caucus, endorsing Trump, but will retain his three expected delegates. Hutchinson announced the suspension of his campaign the day after the caucus.{{Cite web |url=https://www.nytimes.com/2024/01/15/us/politics/vivek-ramaswamy-drops-out.html |title=Vivek Ramaswamy, Wealthy Political Novice Who Aligned With Trump, Quits Campaign |date=January 15, 2024 |last=Weisman |first=Jonathan |work=The New York Times |access-date=January 15, 2024 |archive-date=January 16, 2024 |archive-url=https://web.archive.org/web/20240116042653/https://www.nytimes.com/2024/01/15/us/politics/vivek-ramaswamy-drops-out.html |url-status=live }} DeSantis, despite finishing in second place, announced the suspension of his campaign six days after the caucus.

The DeSantis campaign was highly critical of "media outlets" calling the results before the caucuses had closed.{{cite web|url=https://thehill.com/homenews/media/4411997-media-outlets-defend-early-race-call-for-trump-in-iowa/|title=Media outlets defend early race call for Trump in Iowa|work=The Hill|date=January 17, 2024|accessdate=January 17, 2024|first=Domininick|last=Mastrangelo|archive-date=January 17, 2024|archive-url=https://web.archive.org/web/20240117004044/https://thehill.com/homenews/media/4411997-media-outlets-defend-early-race-call-for-trump-in-iowa/|url-status=live}}

According to The Des Moines Register, as well as The Hill{{cite web|last=Vakil|first=Caroline|title=5 takeaways from the Iowa GOP caucuses |url=https://thehill.com/homenews/campaign/4410502-iowa-gop-caucuses-donald-trump-vivek-ramaswamy-ron-desantis-nikki-haley-takeaways/|work=The Hill|date=January 16, 2024|access-date=January 26, 2024}} the turnout was reduced compared to the previous caucuses in 2020, due to the colder than normal weather.

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