Moosic is a borough in Lackawanna County, Pennsylvania, United States, 3 miles south of downtown Scranton and 10 miles northeast of downtown Wilkes-Barre, on the Lackawanna River. Moosic is in a former coal-mining region. A few older industries existed at one time, including the manufacturing of canvas gloves and silk products. The population was 5,972 at the 2020 census.