Columbia, formerly Wright's Ferry, is a borough in Lancaster County, Pennsylvania, United States. As of the 2020 census, it had a population of 10,222. It is 28 miles southeast of Harrisburg, on the east bank of the Susquehanna River, across from Wrightsville and York County and just south of U.S. Route 30. The settlement was founded in 1726 by Colonial English Quakers from Chester County, led by entrepreneur and evangelist John Wright.