# 2024 Ohio Republican presidential primary

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vte :
The 2024 Ohio Republican presidential primary was held on March 19, 2024, as part of the Republican Party primaries for the 2024 presidential election. 79 delegates to the 2024 Republican National Convention were allocated on a winner-take-all basis. The contest was held alongside primaries in Arizona, Florida, Illinois, and Kansas.

## Candidates

The filing deadline for the Ohio primary was on December 20, 2023, and the office of the Secretary of State of Ohio published the list of certified candidates on January 9, 2024.
* Donald Trump
* Chris Christie (withdrew January 10, 2024)
* Ron DeSantis (withdrew January 21, 2024)
* Nikki Haley (withdrew March 6, 2024)
* Vivek Ramaswamy (withdrew January 15, 2024)

## Endorsements

State representative
* Adam Mathews, 56th district (2023–present)
U.S. Senators
* Rob Portman, (2011–2023)
U.S. Senators
* J. D. Vance, (2023–2025)
U.S. Representatives
* Troy Balderson, OH-12 (2018–present)
* Mike Carey, OH-15 (2021–present)
* Bill Johnson, OH-06 (2011–2024)
* Jim Jordan, OH-04 (2007–present)
* Bob McEwen, OH-06 (1981–1993)
* Max Miller, OH-07 (2023–present)
* Mike Turner, OH-10 (2013–present) and OH-03 (2003–2013)
State executive officials
* Jon Husted, 66th Lieutenant Governor of Ohio (2019–2025) and 50th Secretary of State of Ohio (2011–2019)
* Frank LaRose, 51st Secretary of State of Ohio (2019–present); candidate for U.S. Senator in 2024
* Josh Mandel, 48th Treasurer of Ohio (2011–2019)
* Robert Sprague, 49th Treasurer of Ohio (2019–present)
State senators
* Niraj Antani, 6th district (2021–2024)
* Michael Rulli, 33rd district (2019–2024)
* Shane Wilkin, 17th district (2023–present)
State representatives
* Jon Cross, 83rd district (2019–2025)
* Jennifer Gross, 45th district (2023–present) and 52nd district (2021–2022)
* Candice Keller, 53rd district (2016–2020)
* Derek Merrin, 42nd district (2023–present) and 47th district (2016–2022)
* Craig Riedel, 82nd district (2017–2022)
Local official
* Trent R. Conaway, Mayor of East Palestine (2021–present)
Party officials
* Bob Paduchik, co-chair of the Republican National Committee (2017–2019); chair of the Ohio Republican Party (2021–2023)
* Alex Triantafilou, chair of the Ohio Republican Party (2023–present)
Individuals
* Bernie Moreno, businessman; candidate for U.S. Senator in 2024 and 2022
* Vivek Ramaswamy, businessman, candidate for U.S. President in 2024
Organization
* Ohio Republican Party
U.S. Representative
* John Boehner, OH-08 (1991–2015); Speaker of the House (2011–2015)
* David Joyce, OH-14 (2013–present)
Governors
* Mike DeWine, Governor of Ohio (2019–present)
* John Kasich, Governor of Ohio (2011–2019); candidate for president in 2000 and 2016

## Results

Ohio Republican primary, March 19, 2024 :
| Candidate | Votes | Percentage | Actual delegate count | Actual delegate count | Actual delegate count |
| Candidate | Votes | Percentage | Bound | Unbound | Total |
| Donald Trump | 896,059 | 79.21% | 79 | | 79 |
| Nikki Haley (withdrawn) | 162,563 | 14.37% | | | |
| Ron DeSantis (withdrawn) | 38,089 | 3.37% | | | |
| Chris Christie (withdrawn) | 20,027 | 1.77% | | | |
| Vivek Ramaswamy (withdrawn) | 14,450 | 1.28% | | | |
| Total: | 1,131,188 | 100.00% | 79 | | 79 |

## Polling

| Poll source | Date(s) administered | Sample size | Margin of error | Chris Christie | Ron DeSantis | Nikki Haley | Asa Hutchinson | Mike Pence | Vivek Ramaswamy | Tim Scott | Donald Trump | Other | Undecided |
| McLaughlin & Associates (R) | Dec 12–14, 2023 | 600 (LV) | ± 4.0% | 6% | 11% | 15% | – | – | 3% | – | 61% | – | 4% |
| Morning Consult | Nov 1–30, 2023 | 1,881 (LV) | – | 3% | 11% | 8% | 0% | – | 6% | 1% | 69% | 0% | 2% |
| Emerson College/Nexstar, WJW (Cleveland) | Nov 10–13, 2023 | 468 (LV) | ± 4.5% | 2% | 8% | 10% | 1% | – | 6% | 1% | 62% | 1% | 10% |
| Morning Consult | Oct 1–31, 2023 | 1,893(LV) | – | 2% | 13% | 7% | 0% | 5% | 8% | 2% | 62% | 0% | 1% |
| Ohio Northern University | Oct 16–19, 2023 | 269 (LV) | ± 2.15% | 1% | 10% | 5% | 0% | 4% | 9% | – | 64% | 1% | 6% |
| Morning Consult | Sep 1–30, 2023 | 1,621(LV) | – | 3% | 14% | 5% | 0% | 5% | 11% | 2% | 60% | 0% | – |
| Morning Consult | Aug 1–31, 2023 | 1,803(LV) | – | 3% | 12% | 3% | 0% | 7% | 10% | 3% | 61% | 1% | – |
| Morning Consult | July 1–31, 2023 | 1,835(LV) | – | 3% | 16% | 2% | 0% | 8% | 9% | 3% | 58% | 0% | 1% |
| Ohio Northern University | Jul 17–26, 2023 | 675 (RV) | ± 3.7% | 2% | 9% | 3% | 1% | 6% | 12% | 5% | 64% | 1% | 3% |
| Suffolk University | Jul 9–12, 2023 | 190 (RV) | – | 4% | 23% | 2% | 2% | 4% | 2% | 5% | 48% | 3% | 8% |
| Morning Consult | June 1–30, 2023 | 1,711(LV) | – | 2% | 19% | 3% | 1% | 7% | 5% | 3% | 59% | 1% | 1% |
| East Carolina University | Jun 21–24, 2023 | 405 (RV) | ± 4.0% | 4% | 15% | 2% | 1% | 5% | 3% | – | 59% | 2% | 10% |
| Morning Consult | May 1–31, 2023 | 1,792(LV) | – | – | 20% | 3% | 0% | 7% | 5% | 2% | 60% | 3% | – |
| Morning Consult | Apr 1–30, 2023 | 1,754(LV) | – | – | 21% | 2% | 0% | 8% | 2% | 2% | 61% | 4% | – |
| Morning Consult | Mar 1–31, 2023 | 1,827(LV) | – | – | 27% | 4% | – | 7% | 0% | 1% | 56% | 3% | 2% |
| Morning Consult | Feb 1–28, 2023 | 1,573(LV) | – | – | 30% | 4% | – | 9% | 0% | 1% | 50% | 4% | 2% |
| Morning Consult | Jan 1–31, 2023 | 2,095(LV) | – | – | 31% | 2% | – | 9% | – | 1% | 50% | 5% | 2% |
| Morning Consult | Dec 1–31, 2022 | 1,188 (LV) | – | – | 33% | 2% | – | 8% | – | 1% | 48% | 5% | 3% |
| Echelon Insights | Aug 31 – Sep 7, 2022 | 377 (LV) | ± 4.3% | – | 30% | – | – | – | – | – | 58% | 12% | – |
| John Bolton Super PAC | Jul 22–24, 2022 | 136 (LV) | – | 2% | 30% | – | – | 9% | – | – | 28% | 16% | 13% |