The area around present-day Columbia was originally populated by Native American tribes, most notably the Susquehannocks, who migrated to the area between 1575 and 1600 after separating from the Iroquois Confederacy. … See more

As of the census of 2000, there were 10,311 people, 4,287 households, and 2,589 families residing in the borough. The population density was 4,227.8 inhabitants per square mile (1,632.4/km ). There were 4,595 housi… See more

Columbia is located in western Lancaster County on the left (east) bank of the Susquehanna River. U.S. Route 30, a four-lane freeway, passes through the northern side of the borough, leading east 11 miles (18 km) to the … See more