Northumberland, PA Demographics
Northumberland, PA is the 364th most populous of 1888 cities in Pennsylvania, with 3,911 residents across 2 square miles. That is about 2,429 people per square mile.
At the 2020 census
| Population | 3,911 |
|---|---|
| Land area | 2 sq mi |
| Density | 2,429 / sq mi |
Data: 2020 Decennial Census · land area from Census TIGER/Line
How Northumberland, PA compares to the US
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About this page
City statistics cover the municipal boundary only, not the wider metro area.
Figures come from the 2020 census and the American Community Survey, compared against national averages.