to
Update
''For other places named 'Muncy', please see Muncy (disambiguation).
is a borough in Lycoming County, Pennsylvania, in the United States. The name Muncy comes from the Munsee Indians that once lived in the area. The population was 2,663 at the 2000 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.
Muncy is located at (41.201969, -76.786333). As the crow flies, Lycoming County is about northwest of Philadelphia and east-northeast of Pittsburgh. Muncy is surrounded by Muncy Creek Township
According to the United States Census Bureau, the borough has a total area of 0.8 square miles (2.2 km²), all of it land.