Londonderry Township, Guernsey County, Ohio
Londonderry Township is one of the nineteen townships of Guernsey County, Ohio, United States. As of the 2020 census the population was 710.
Geography
Located in the northeastern corner of the county, it borders the following townships:- Freeport Township, Harrison County - north
- Flushing Township, Belmont County - northeast
- Kirkwood Township, Belmont County - southeast
- Oxford Township - south
- Madison Township - southwest
- Washington Township - northwest