Old Lycoming Township is a township in Lycoming County, Pennsylvania, United States. The population was 4,973 at the 2020 census down from 4,938 in 2010. It is part of the Williamsport Metropolitan Statistical Area. News & Notices Special Meeting BOS 11.27.202411/26/2024 Supervisors Meeting 11.12.2024 7 PM11/11/2024 Fall Leaf Pickup10/13/2024 Agenda-Special-Supervisors-Meeting-September-2023-RevisedDownload Agenda-Special-Supervisors-Meeting-September-2023-1Download