Unity Township is one of the eighteen townships of Columbiana County, Ohio, United States. The 2010 census reported 9,957 people living in the township, 3,971 of whom were in the unincorporated portions of the township.GeographyLocated in the northeastern corner of the county, it borders the following townships: Springfield Township, Mahoning County - northNorth Beaver Township, Lawrence County, Pennsylvania - northeast cornerLittle Beaver Township, Lawrence County, Pennsylvania - eastDarlington Township, Beaver County, Pennsylvania - southeastMiddleton Township - southElkrun Township - southwest cornerFairfield Township - westBeaver Township, Mahoning County - northwest corner One city and two villages are located in Unity Township: The eastern tip of the city of Columbiana, in the northwestThe village of East Palestine, in the southeastThe village of New Waterford, in the west
