High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! Montville Township is one of the sixteen townships of Geauga County, Ohio, United States. The 2000 census found 1,984 people in the township. Statewide, the only other Montville Township is located in Medina County. The township includes a house that was once a stop on the Underground Railroad. The house still stands on the southeast corner of the intersection of State Routes 6 and 528.