East Liberty is an unincorporated community located in southern Perry Township, Logan County, Ohio, United States. It is located just off of U.S. Route 33, east of Bellefontaine and about an hour northwest of Columbus. Although it is unincorporated, it has a post office, with the ZIP code of 43319. The community is the location of a major Honda automotive production plant, East Liberty Auto Plant (opened in 1984), as well as the nationally known NHTSA's Transportation Research Center, or TRC. Perry Township serves as the local government for the community and has a fire department located here. A branch of the Logan County District Library serves the East Liberty community. Besides U.S. Route 33, significant roads in East Liberty include State Routes 292 and 347.