Harpers Ferry is a historic town in Jefferson County, West Virginia. In many books the town is called "Harper's Ferry" with an apostrophe 's. It is situated at the confluence of the Potomac and Shenandoah Rivers where the U.S. states of Maryland, Virginia, and West Virginia meet. The town is located on a low lying flood plain created by the two rivers, it is thus surrounded by higher ground on all sides. Historically, Harpers Ferry is best known for John Brown's raid on the Armory in 1859 and its role in the American Civil War. As of the 2000 census, the town had a population of 307.