One statewide ballot question was on the November 2, 2004 ballot in Ohio.
- With one initiative on the 2004 ballot, the historical total of Ohio initiatives through the 2004 election climbed to sixty-seven.
- Of the sixty-seven initiatives on the Ohio ballot through 2004, seventeen were approved, and fifty defeated.
On the ballot
|| Issue 1
|| Only a union between one man and one woman may be a marriage valid in or recognized by state