Riley Township is one of the fifteen townships of Putnam County, Ohio, United States. The 2020 census found 2,242 people in the township. The village of Pandora is located in central Riley Township. Riley Township was established in 1834. This township took its name from Riley Creek. Statewide, the only other Riley Township is located in Sandusky Cou…Riley Township is one of the fifteen townships of Putnam County, Ohio, United States. The 2020 census found 2,242 people in the township. The village of Pandora is located in central Riley Township. Riley Township was established in 1834. This township took its name from Riley Creek. Statewide, the only other Riley Township is located in Sandusky County.