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Bloomsburg-Berwick-Sunbury, PA Combined Statistical Area Demographics

Bloomsburg-Berwick-Sunbury, PA Combined Statistical Area is the 130th most populous of 184 combined statistical areas in the United States, with 256,927 residents across 1,716 square miles. That is about 150 people per square mile.

At the 2020 census

Population 256,927
Land area 1,716 sq mi
Density 150 / sq mi

Data: 2020 Census · American Community Survey 2024

How Bloomsburg-Berwick-Sunbury, PA Combined Statistical Area compares to the US

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Central Location: Bloomsburg-Berwick-Sunbury, PA Combined Statistical Area

Measured from the combined statistical area's main population center using 2020 census blocks.

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Counties in the Bloomsburg-Berwick-Sunbury, PA Combined Statistical Area area

Name Population Sq mi Per sq mi
County Northumberland 91,647 458.4 200
Columbia County, PA 64,727 483.2 134
County Union 42,681 316.0 135
Snyder County 39,736 328.8 121
County Montour 18,136 130.2 139

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About this page

This page shows demographics for a US combined statistical area from the 2020 census and the American Community Survey: population, land area, density, and how the region compares to national averages.

Combined areas are built from whole counties, listed below. Statistics aggregate the member counties' census tracts.

Read how BlockAtlas computes population within an area →