Northumberland, Pennsylvania

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Northumberland is a borough in Northumberland County, Pennsylvania, United States. The population was 3,911 at the 2020 census.

View of Northumberland

Joseph Priestley House a National Historic Landmark in Northumberland

View of Northumberland from the Shikellamy State Park overlook

Panoramic view of Northumberland (left) with the confluence of the West Branch Susquehanna River (left) and North Branch (center) of the Susquehanna River, along with the borough of Sunbury (far right). Taken from the Shikellamy State Park Overlook, with the state park's Marina unit on Packer Island in the river visible.

Northumberland County, Pennsylvania

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Northumberland County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 91,647. Its county seat is Sunbury. The county is part of the Central Pennsylvania region of the state.

Northumberland County Courthouse

Susquehanna River from the Shikellamy State Park overlook, looking upriver. The West Branch Susquehanna River is in the foreground.

View looking northeast from the Shikellamy State Park overlook