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Morris County, NJ Demographics

Morris County, NJ is the 10th most populous of 21 counties in New Jersey, with 509,308 residents across 461 square miles. That is about 1,105 people per square mile.

At the 2020 census

Population 509,308
Land area 461 sq mi
Density 1,105 / sq mi

Data: 2020 Census · American Community Survey 2024

How Morris 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: Morris County, NJ

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

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

Census tracts in Morris County, NJ

Name Population Sq mi Per sq mi
Census Tract 465 7,375 5.8 1,281
Census Tract 448 7,336 0.8 8,881
Census Tract 408.03 7,258 4.1 1,788
Census Tract 451 7,241 2.1 3,483
Census Tract 434.01 7,151 3.1 2,342
Census Tract 402 7,121 2.8 2,545
Census Tract 401.02 6,807 3.5 1,960
Census Tract 443 6,598 2.1 3,179
Census Tract 417.01 6,480 0.6 10,544
Census Tract 461.03 6,422 2.6 2,483
Census Tract 415 6,380 4.8 1,328
Census Tract 417.06 6,227 1.9 3,221
Census Tract 461.04 6,210 9.1 683
Census Tract 408.05 6,182 4.0 1,540
Census Tract 457.01 6,177 7.8 792
Census Tract 419.01 6,023 3.8 1,568
Census Tract 426.02 6,022 3.4 1,796
Census Tract 458.04 6,016 17.8 338
Census Tract 440 5,951 7.2 822
Census Tract 462.01 5,920 6.4 931
Census Tract 422 5,906 3.2 1,851
Census Tract 449 5,842 0.9 6,569
Census Tract 447.02 5,827 13.1 446
Census Tract 414 5,728 2.4 2,404
Census Tract 407.01 5,679 8.5 669
Census Tract 461.10 5,673 12.0 472
Census Tract 434.02 5,665 6.4 883
Census Tract 441.02 5,598 8.7 642
Census Tract 446.02 5,566 16.6 336
Census Tract 457.04 5,443 4.2 1,281
Census Tract 450 5,282 1.0 5,500
Census Tract 444.01 5,242 33.0 159
Census Tract 410 5,193 1.6 3,339
Census Tract 408.01 5,164 8.5 606
Census Tract 418.02 5,159 1.7 2,982
Census Tract 456.03 5,142 1.4 3,802
Census Tract 454.02 5,106 3.2 1,602
Census Tract 418.03 5,092 6.2 818
Census Tract 419.02 5,082 4.0 1,260
Census Tract 444.03 5,080 3.0 1,720
Census Tract 455.01 5,044 3.0 1,659
Census Tract 439 5,032 1.8 2,733
Census Tract 462.98 5,028 17.6 286
Census Tract 413 4,999 4.8 1,041
Census Tract 464 4,981 5.9 840
Census Tract 428 4,978 1.1 4,435
Census Tract 416.04 4,872 2.2 2,236
Census Tract 417.04 4,837 2.1 2,324
Census Tract 430 4,709 1.1 4,252
Census Tract 446.01 4,639 6.8 682
Census Tract 432 4,626 1.2 3,705
Census Tract 420 4,598 3.7 1,236
Census Tract 459.04 4,583 14.0 327
Census Tract 438.02 4,580 0.4 12,171
Census Tract 453 4,521 7.6 598
Census Tract 447.01 4,506 2.5 1,793
Census Tract 412 4,472 2.6 1,691
Census Tract 455.04 4,468 4.9 907
Census Tract 403.01 4,455 2.8 1,607
Census Tract 416.03 4,431 1.7 2,582
Census Tract 406 4,426 1.4 3,163
Census Tract 409 4,380 8.1 539
Census Tract 445.02 4,335 1.1 3,800
Census Tract 407.02 4,287 9.6 449
Census Tract 427 4,234 1.2 3,468
Census Tract 416.05 4,219 3.2 1,334
Census Tract 444.04 4,193 1.0 4,137
Census Tract 421 4,173 3.6 1,158
Census Tract 445.04 4,124 1.6 2,528
Census Tract 401.01 4,108 2.9 1,405
Census Tract 404 4,107 2.0 2,027
Census Tract 435 4,104 0.4 9,477
Census Tract 452 4,015 2.9 1,367
Census Tract 403.02 3,995 1.2 3,320
Census Tract 457.03 3,949 1.9 2,081
Census Tract 416.06 3,913 0.7 5,402
Census Tract 442 3,871 20.1 193
Census Tract 429 3,862 0.8 4,845
Census Tract 408.04 3,846 2.0 1,897
Census Tract 433.03 3,842 2.9 1,342
Census Tract 455.03 3,811 2.1 1,789
Census Tract 461.08 3,778 1.2 3,083
Census Tract 462.02 3,749 7.5 497
Census Tract 431 3,740 1.2 3,228
Census Tract 423.02 3,629 1.9 1,872
Census Tract 411 3,622 0.8 4,607
Census Tract 405 3,621 0.6 5,708
Census Tract 433.02 3,546 1.8 2,025
Census Tract 462.97 3,500 13.1 268
Census Tract 461.07 3,491 1.2 2,963
Census Tract 417.02 3,465 0.5 7,620
Census Tract 425 3,454 1.2 2,947
Census Tract 454.03 3,435 1.2 2,978
Census Tract 460 3,362 0.8 4,041
Census Tract 461.09 3,312 3.5 941
Census Tract 437 3,221 0.8 3,841
Census Tract 436.01 3,208 0.4 8,341
Census Tract 459.03 3,130 15.1 207
Census Tract 426.01 3,109 2.8 1,115
Census Tract 441.01 3,031 3.1 985

Showing the 100 most populous of 110 — the rest are shown on the map.

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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.

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