Cities & Towns in Northumberland County, PA

Northumberland County, county in Pennsylvania, United States. As of 2020 county had an estimated population of 90,258 inhabitants. The county was created 252 years ago in 1772. Its county seat is Sunbury.

There are 0 city/town in Northumberland County, PA.

Situated along the Susquehanna River in central Pennsylvania, Northumberland County is home to several small cities and towns steeped in history. Here are some of the notable places to explore in Northumberland County:

Sunbury - The largest city in the county with around 9,700 residents. Sunbury is home to attractions like the Sunbury River Festival and Chestnut Street Clock.

Northumberland - Serving as the county seat along the Susquehanna River, Northumberland has around 3,800 residents. Historic sites include the Hunter House and the Joseph Priestley House.

Milton - Sitting along the West Branch Susquehanna River, Milton has around 7,000 residents. The Broadway Historic District has Victorian homes and historic sites like the Milton Armory.

Mount Carmel - Founded in 1795, Mount Carmel has around 6,000 residents today. Visitors enjoy learning about coal mining history at the Mount Carmel Public Library.

Shamokin - Once a booming coal town, Shamokin today has around 7,500 residents. The revitalized downtown includes antique shops, cafes, and Ignite Art Gallery.

Selinsgrove - Home to Susquehanna University, Selinsgrove has around 6,000 residents. The historic downtown has restaurants, shops, and iconic buildings like Linden Hall.

From river towns like Sunbury and Milton to historic hubs like Shamokin and Selinsgrove, Northumberland County provides a window into Pennsylvania's past. Exploring the unique cities and towns allows you to experience Susquehanna River heritage while uncovering anthracite coal history.

All Northumberland County Cities (Aphebetical)

List of cities, towns, neighborhoods & other populated places in Northumberland County.

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City Name Title Population
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County Cities on Map (0)

Pennsylvania Counties (67)

Philadelphia County (1,578,487) Allegheny County (1,211,358) Montgomery County (833,869) Bucks County (627,987) Delaware County (566,753) Lancaster County (546,192) Chester County (526,759) York County (450,448) Berks County (421,017) Lehigh County (370,802) Westmoreland County (347,087) Luzerne County (316,982) Northampton County (305,892) Dauphin County (279,874) Erie County (268,426) Cumberland County (255,857) Lackawanna County (208,989) Washington County (206,803) Butler County (189,135) Monroe County (170,154) Beaver County (162,575) Centre County (161,496) Franklin County (155,637) Lebanon County (141,663) Schuylkill County (140,709) Cambria County (128,672) Fayette County (128,126) Blair County (121,007) Lycoming County (113,209) Mercer County (108,545) Adams County (102,742) Northumberland County (90,258) Lawrence County (85,083) Crawford County (83,697) Indiana County (83,664) Clearfield County (78,612) Somerset County (72,916) Columbia County (64,842) Armstrong County (64,162) Carbon County (64,081) Bradford County (60,221) Pike County (56,072) Wayne County (51,163) Venango County (50,328) Bedford County (47,817) Perry County (46,212) Mifflin County (46,064) Huntingdon County (44,590) Union County (44,294) Jefferson County (43,108) Tioga County (40,381) McKean County (40,333) Snyder County (40,317) Susquehanna County (40,006) Warren County (38,911) Clarion County (38,305) Clinton County (37,957) Greene County (35,621) Elk County (29,607) Wyoming County (26,557) Juniata County (24,619) Montour County (18,042) Potter County (16,453) Fulton County (14,501) Forest County (6,965) Sullivan County (5,913) Cameron County (4,330)