Bradford County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, its population was 59,967. Its county seat is Towanda. The county was created on February 21, 1810, from parts of Lycoming and Luzerne Counties. Originally called Ontario County, it was reorganized and separated from Lycoming County on October 13, 1812, and renamed Bradford County for William Bradford, who had been a chief justice of the Pennsylvania Supreme Court and United States Attorney General. The county is part of the Northeast Pennsylvania region of the state.

Towanda is a borough in, and the county seat of, Bradford County in the U.S. state of Pennsylvania. It is part of Northeastern Pennsylvania and is located 66 miles (106 km) northwest of Wilkes-Barre, on the Susquehanna River. The name means "burial ground" in the Algonquian language. As of the 2020 census, the population of Towanda was 2,833.