High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Sharon Township is one of the seventeen townships of Franklin County, Ohio, United States. The 2000 census found 16,455 people in the township, 1,831 of whom lived in the unincorporated portions of the township. Most of Sharon Township has been annexed by the cities of Westerville, in the northeast of the township, Worthington, in the center of the township, and Columbus (the county seat of Franklin County), around the edges of the township. The village of Riverlea is located in the central part of the township, south of Worthington.