Northumberland County, PA Demographics
Northumberland County, PA is the 32nd most populous of 67 counties in Pennsylvania, with 91,647 residents across 458 square miles. That is about 200 people per square mile.
At the 2020 census
| Population | 91,647 |
|---|---|
| Land area | 458 sq mi |
| Density | 200 / sq mi |
Data: 2020 Census · American Community Survey 2024
How Northumberland County compares to the US
We're computing this county's comparison table — check back shortly. Population, land area, and density above are already exact.
Central Location: Northumberland County, PA
Measured from the county's main population center using 2020 census blocks.
We're computing the drive-time and radius areas around Northumberland County, PA — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.
Census tracts in Northumberland County, PA
| Name | Population | Sq mi | Per sq mi |
|---|---|---|---|
| Census Tract 808 | 6,884 | 52.7 | 131 |
| Census Tract 802 | 6,833 | 30.9 | 221 |
| Census Tract 819 | 5,882 | 58.9 | 100 |
| Census Tract 812 | 5,841 | 25.0 | 233 |
| Census Tract 823 | 5,055 | 93.8 | 54 |
| Census Tract 801 | 4,436 | 40.7 | 109 |
| Census Tract 803.02 | 4,373 | 2.4 | 1,832 |
| Census Tract 806 | 3,911 | 1.6 | 2,429 |
| Census Tract 805 | 3,832 | 25.1 | 153 |
| Census Tract 820 | 3,715 | 0.7 | 5,294 |
| Census Tract 822 | 3,630 | 1.0 | 3,673 |
| Census Tract 818 | 3,350 | 45.5 | 74 |
| Census Tract 804 | 3,241 | 20.9 | 155 |
| Census Tract 807 | 3,239 | 31.6 | 103 |
| Census Tract 809 | 3,060 | 21.8 | 141 |
| Census Tract 810 | 3,039 | 0.3 | 8,848 |
| Census Tract 824 | 2,758 | 1.0 | 2,876 |
| Census Tract 811 | 2,686 | 0.3 | 8,444 |
| Census Tract 816 | 2,521 | 0.3 | 8,969 |
| Census Tract 821 | 2,374 | 0.3 | 7,497 |
| Census Tract 817 | 2,303 | 0.3 | 7,780 |
| Census Tract 813 | 2,286 | 0.5 | 4,552 |
| Census Tract 803.01 | 2,268 | 1.1 | 2,042 |
| Census Tract 815 | 2,118 | 0.2 | 8,539 |
| Census Tract 814 | 1,997 | 0.8 | 2,561 |
Related places
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Metro areas containing Northumberland County
About this page
This page shows demographics for a US county from the 2020 census and the American Community Survey: population, land area, density, urban share, and how the county compares to national averages for income, housing, age, and more.
Counties subdivide into census tracts, listed below with their populations. The drive-time and radius tables measure the population around the county's main population center.