Bloomsburg is a town and the county seat of Columbia County, Pennsylvania, United States. It is located 40 miles (64 km) southwest of Wilkes-Barre along the Susquehanna River. It is the only Pennsylvania municipality incorporated as a "town". As of the 2010 census, Bloomsburg had a population of 14,855, with an estimated population of 13,811 in 2019. Bloomsburg is one of two principal communities of the Bloomsburg-Berwick, PA Metropolitan Statistical Area, a metropolitan area that covers Columbia and Montour counties, and had a combined population of 85,562 at the 2010 census.