New Jerusalem, OhioNew Jerusalem is an unincorporated community in Logan County, in the U.S. state of Ohio.HistoryA post office was established at New Jerusalem in 1876, and remained in operation until 1904.GeographyNew Jerusalem is located at the junction of Ohio State Routes 533 and 540, between Bellefontaine and the Zane Shawnee Caverns. At an elevation of, it is the highest populated place in Ohio.