Duncannon, Pennsylvania, US is a borough in Perry County, established in 1735. It is located along the Susquehanna River and is the home of the Duncannon Appalachian Trail Festival, an annual event celebrating the town's position as the only Appalachian Trail town directly on the river. The borough has a rich history, with the nearby Fort Halifax, built in 1756, being a notable landmark. Duncannon's population was reported as 1,460 in the 2010 census.
Dollar General takes the top spot among Dollar Stores and Deep Discount Stores in Duncannon, Pennsylvania with 2 locations as of April 12, 2024.