2024 Ohio Democratic presidential primary

The 2024 Ohio Democratic presidential primary took place on March 19, 2024, as part of the Democratic Party primaries for the 2024 presidential election. 143 delegates to the Democratic National Convention will be allocated to presidential candidates.^[1] The contest was held alongside Arizona, Illinois, and Kansas.

2024 Ohio Democratic presidential primary

← 2020 March 19, 2024 2028 →
← KS LA →
143 delegates (127 pledged and 16 unpledged) to the Democratic National Convention
Candidate Joe Biden Dean Phillips (withdrawn) Home state Delaware Minnesota Delegate count 124 3 Popular vote 461,558 68,629 Percentage 87.06% 12.94%
County results Biden   60 – 70%   70 – 80%   80 – 90%   >90%

President Biden won every county; but, despite having already dropped out, U.S. Representative Dean Phillips won three delegates. Congressman Phillips was still on the ballot on election day and gained his delegates by meeting the 15% threshold of votes needed to receive a delegate in a congressional district in the state's 2nd, 6th, and 14th districts.^[2]

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.^[3]

• Joe Biden
• Dean Phillips (withdrawn)

Endorsements

Joe Biden

U.S. Senator

• Sherrod Brown, U.S. Senator from Ohio (2007–present), U.S. Representative from OH-13 (1993–2007)^[4]

U.S. Representatives

• Joyce Beatty, U.S. Representative from OH-03 (2013–present)^[5]
• Shontel Brown, U.S. Representative from OH-11 (2021–present)^[5]
• Marcy Kaptur, U.S. Representative from OH-09 (1983–present)^[4]

Mayors

• Aftab Pureval, 70th Mayor of Cincinnati (2022–present)^[5]
• Nan Whaley, 56th Mayor of Dayton (2014–2022), nominee for Governor of Ohio in 2022^[6]

Organizations

• Ohio Democratic Party^[7]

Polling

Poll source	Date(s) administered	Sample size[a]	Margin of error	Joe Biden	Robert F. Kennedy Jr.	Dean Phillips	Marianne Williamson	Other / Undecided
	March 6, 2024	Phillips suspends his candidacy
	February 7, 2024	Williamson suspends her campaign
Emerson College[8]	Nov 10–13, 2023	351 (LV)	± 3.0%	61%	–	2%	7%	30%
	October 27, 2023	Phillips announces his campaign
Ohio Northern University[9]	Oct 16–19, 2023	256 (LV)	± 3.8%	62%	–	–	6%	32%[b]
	October 9, 2023	Kennedy withdraws from the primaries
Ohio Northern University[10]	Jul 17–26, 2023	– (LV)	–	60%	15%	–	3%	22%[c]
Suffolk University[11]	Jul 9–12, 2023	152 (RV)	–	67%	13%	–	3%	17%

Results

Ohio Democratic primary, March 19, 2024^[12]

Candidate	Votes	Percentage	Actual delegate count
			Bound	Unbound	Total
Joe Biden (incumbent)	461,558	87.06%	124
Dean Phillips (withdrawn)	68,629	12.94%	3
Total:	530,187	100.00%	127	16	133

See also

• 2024 Ohio Republican presidential primary
• 2024 Democratic Party presidential primaries
• 2024 United States presidential election in Ohio

Notes

1. Key:
   A – all adults
   RV – registered voters
   LV – likely voters
   V – unclear
2. Gavin Newsom with 7%; Cornel West with 2%
3. Gavin Newsom with 6%; Cornel West with 2%