We are proud to serve Muncy, Pennsylvania and the surrounding areas in Central Pennsylvania. Muncy is a borough in Lycoming County, Pennsylvania, United States. The name Muncy comes from the Munsee Indians who once lived in the area. The population was 2,477 at the 2010 census. It is part of the Williamsport, Pennsylvania Metropolitan Statistical Area. Muncy is located on the West Branch Susquehanna River, just south of the confluence of Muncy Creek with the river.