The 2024 Ohio Democratic presidential primary took place on March 19, 2024, as part of the Democratic Party primaries for the 2024 presidential election, alongside three other states. 127 delegates to the Democratic National Convention were allocated through a semi-closed primary, with 17 additional unpledged delegates. The contest was held alongside the primaries of Arizona, Illinois, and Kansas.
President Joe Biden won every county; but, despite having already dropped out, the only other candidate U.S. Representative Dean Phillips was still on the ballot on election day and won three delegates. He met the 15% threshold needed to receive a district delegate in the state's 2nd, 6th, and 14th districts, which the party and media were able to calculate roughly a month later in late April.
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. Joe Biden Dean Phillips (withdrawn)
Endorsements
Results
Polling Poll source Date(s)administered Samplesize Margin JoeBiden Robert F.Kennedy Jr. DeanPhillips MarianneWilliamson Other /Undecided March 6, 2024 Phillips suspends his candidacy February 7, 2024 Williamson suspends her campaignEmerson CollegeEmerson College Nov 10–13, 2023 351 (LV) ± 3.0%61% – 2% 7% 30% October 27, 2023 Phillips announces his campaignOhio Northern UniversityOhio Northern University Oct 16–19, 2023 256 (LV) ± 3.8%62% – – 6% 32% October 9, 2023 Kennedy withdraws from the primariesOhio Northern UniversityOhio Northern University Jul 17–26, 2023 – (LV) –60% 15% – 3% 22%Suffolk UniversitySuffolk University Jul 9–12, 2023 152 (RV) –67% 13% – 3% 17%
See also 2024 Ohio Republican presidential primary 2024 Democratic Party presidential primaries 2024 United States presidential election in Ohio
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