Plain Township is one of the sixteen townships of Wayne County, Ohio, United States. The 2000 census found 2,894 people in the township.GeographyLocated in the western part of the county, it borders the following townships: Chester Township - northWayne Township - northeast cornerWooster Township - eastFranklin Township - southeast cornerClinton Township - southLake Township, Ashland County - southwest cornerMohican Township, Ashland County - westPerry Township, Ashland County - northwest corner No municipalities are located in Plain Township, although the unincorporated community of Funk lies in the southwestern part of the township.Name and historyStatewide, other Plain Townships are located in Franklin, Stark, and Wood counties.