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Cumberland County, NJ Demographics

Cumberland County, NJ is the 16th most populous of 21 counties in New Jersey, with 154,152 residents across 483 square miles. That is about 319 people per square mile.

At the 2020 census

Population 154,152
Land area 483 sq mi
Density 319 / sq mi

Data: 2020 Census · American Community Survey 2024

How Cumberland 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: Cumberland County, NJ

Measured from the county's main population center using 2020 census blocks.

We're computing the drive-time and radius areas around Cumberland County, NJ — check back shortly. Meanwhile you can drop a pin anywhere in the radius tool.

Census tracts in Cumberland County, NJ

Name Population Sq mi Per sq mi
Census Tract 409.02 6,678 7.4 898
Census Tract 404 6,557 2.0 3,210
Census Tract 305.01 6,038 16.2 372
Census Tract 405 6,000 2.1 2,860
Census Tract 408 5,527 6.2 888
Census Tract 302 4,959 1.0 4,870
Census Tract 106 4,835 31.1 155
Census Tract 102 4,669 31.9 146
Census Tract 206 4,664 1.9 2,465
Census Tract 407.01 4,625 3.0 1,551
Census Tract 104.01 4,492 40.7 110
Census Tract 203.02 4,341 0.3 14,338
Census Tract 205.03 4,304 1.7 2,473
Census Tract 107.01 4,211 20.1 209
Census Tract 406.02 4,142 0.9 4,536
Census Tract 410.01 4,057 22.9 177
Census Tract 304.01 4,045 3.1 1,299
Census Tract 305.02 4,007 8.8 454
Census Tract 205.02 3,913 0.1 28,644
Census Tract 304.02 3,811 11.7 326
Census Tract 407.02 3,793 3.1 1,210
Census Tract 303 3,710 0.9 4,020
Census Tract 204 3,526 1.4 2,478
Census Tract 410.02 3,436 9.4 364
Census Tract 107.02 3,434 11.1 309
Census Tract 403 3,428 0.7 4,726
Census Tract 411.02 3,347 0.4 8,827
Census Tract 411.01 3,259 0.8 4,068
Census Tract 101.01 3,184 91.5 35
Census Tract 108 3,136 16.8 186
Census Tract 406.01 3,094 1.6 1,955
Census Tract 103.01 3,087 36.9 84
Census Tract 101.03 3,034 1.7 1,817
Census Tract 409.01 2,837 7.8 365
Census Tract 202 2,745 0.2 11,661
Census Tract 203.01 2,587 0.3 8,681
Census Tract 105 2,083 36.0 58
Census Tract 103.02 1,399 48.4 29
Census Tract 201 1,183 0.2 5,912
Census Tract 104.02 1,054 0.4 2,496
Census Tract 301 921 0.2 4,546

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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.

Read how BlockAtlas computes population within an area →