North Jackson is an unincorporated community in central Jackson Township, Mahoning County, Ohio, United States. Although it is unincorporated, it has a post office, with the ZIP code of 44451. It lies along State Route 45 between Salem and Warren. The community is part of the Youngstown-Warren-Boardman, OH-PA Metropolitan Statistical Area. North Jackson is the site of a Marian shrine of the Roman Catholic Church, the National Shrine of Our Lady of Lebanon.