Castanea Township was incorporated in December of 1877. The township is located in eastern Clinton County, bordered to the north by the West Branch of the Susquehanna River and to the south by Lamar and Bald Eagle Townships. The township encompasses a total of 6 square miles with a population of 1,095 (2020 Census).
Upcoming Meetings
Reorganizational / Monthly Meeting
The Castanea Township Supervisors reorganizational meeting agenda for the January 6, 2025 at 5 pm with regularly monthly meeting agenda – meeting is available here.