Hancock County Sheriff's Office said the 22-year-old Justin Potteiger was driving northbound on Township Road 232, just north of State Route 613.
Shortly after midnight, Potteiger crossed the intersection of SR 613 and lost control of the 2009 Dodge Journey.
The car traveled off the road and then struck a ditch and a tree.
Officials pronounced Potteiger dead on the scene. According to authorities, he was not wearing a seatbelt at the time of the crash.