Sunbury Map
Sunbury Information
Sunbury
Sunbury ( SUN-berr-ee) is a city and county seat of Northumberland County, Pennsylvania, United States. The principal city in the Sunbury, PA Micropolitan Statistical Area, it is also one of three principal cities in the Bloomsburg-Berwick-Sunbury, PA Combined Statistical Area. Located in Central Pennsylvania's Susquehanna Valley on the east bank of the Susquehanna River, just downstream of the confluence of its main and west branches, Sunbury dates to the early 18th century. Its population was 9,905 at the 2010 census. Rich in history, its Hotel Edison became the first building in the city to be lit with Thomas Edison's three-wire system in 1883, and was later named in his honor. John W. Treadwell, Jr., a nine-year-old boy in the crowd of onlookers, was given the privilege of throwing the switch that turned on those new lights.Other historic sites include the Beck House, Northumberland County Courthouse, and Sunbury Historic District, all of which are listed on the National Register of Historic Places.