Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Margaretta Township is one of the nine townships of Erie County, Ohio, United States. It is part of the Sandusky, Ohio metropolitan statistical area. The 2000 census found 6,289 people in the township, 4,662 of whom lived in the unincorporated portions of the township. The farthest north and west township in Erie County, Margaretta Township is the only county township with any border on Ottawa County.