All counties →

DuPage County, IL Demographics

DuPage County, IL is the 2nd most populous of 102 counties in Illinois, with 932,877 residents across 328 square miles. That is about 2,846 people per square mile.

At the 2020 census

Population 932,877
Land area 328 sq mi
Density 2,846 / sq mi

Data: 2020 Census · American Community Survey 2024

How DuPage 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: DuPage County, IL

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

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

Census tracts in DuPage County, IL

Name Population Sq mi Per sq mi
Census Tract 8414.01 6,894 3.4 2,054
Census Tract 8465.11 6,565 1.0 6,765
Census Tract 8451 6,522 1.5 4,459
Census Tract 8401.03 6,440 2.6 2,454
Census Tract 8462.02 6,426 1.2 5,405
Census Tract 8465.04 6,350 1.8 3,558
Census Tract 8402.01 6,348 3.4 1,864
Census Tract 8413.14 6,288 1.2 5,158
Census Tract 8463.04 6,258 4.2 1,493
Census Tract 8464.04 6,135 1.1 5,678
Census Tract 8465.17 6,116 1.3 4,762
Census Tract 8458.07 6,100 2.3 2,617
Census Tract 8401.04 6,031 1.4 4,359
Census Tract 8429 6,022 0.9 6,878
Census Tract 8412.04 5,974 1.2 5,186
Census Tract 8443.06 5,956 0.7 8,233
Census Tract 8415.01 5,927 5.2 1,132
Census Tract 8421 5,891 1.5 3,915
Census Tract 8412.06 5,877 1.5 4,041
Census Tract 8465.09 5,876 1.3 4,496
Census Tract 8408.02 5,866 1.0 5,878
Census Tract 8417.05 5,858 1.6 3,652
Census Tract 8462.01 5,855 1.1 5,412
Census Tract 8442.01 5,822 1.4 4,237
Census Tract 8413.07 5,799 1.7 3,468
Census Tract 8411.02 5,787 1.7 3,313
Census Tract 8463.05 5,687 1.6 3,573
Census Tract 8401.01 5,680 3.8 1,487
Census Tract 8458.03 5,649 9.5 593
Census Tract 8447.02 5,601 1.9 2,990
Census Tract 8413.25 5,535 1.0 5,600
Census Tract 8435 5,528 1.1 5,198
Census Tract 8418.02 5,515 1.5 3,735
Census Tract 8450 5,458 1.0 5,297
Census Tract 8465.15 5,420 0.9 6,007
Census Tract 8455.02 5,413 0.7 7,498
Census Tract 8462.07 5,345 1.1 5,049
Census Tract 8432 5,335 0.9 6,006
Census Tract 8464.11 5,312 2.2 2,381
Census Tract 8418.01 5,305 1.3 4,123
Census Tract 8446.02 5,286 1.9 2,824
Census Tract 8461.03 5,257 1.3 4,087
Census Tract 8463.11 5,232 0.9 5,913
Census Tract 8427.04 5,215 0.9 5,957
Census Tract 8464.10 5,071 0.8 5,993
Census Tract 8406 5,068 0.9 5,353
Census Tract 8402.02 5,065 2.0 2,595
Census Tract 8424 5,062 0.8 6,042
Census Tract 8412.08 5,048 2.0 2,542
Census Tract 8465.21 5,036 1.3 3,932
Census Tract 8463.13 5,021 1.7 2,935
Census Tract 8456.02 4,965 1.0 4,819
Census Tract 8409.10 4,918 1.0 4,968
Census Tract 8457.04 4,896 0.9 5,166
Census Tract 8416.07 4,884 1.4 3,528
Census Tract 8452 4,847 0.9 5,399
Census Tract 8457.02 4,839 1.3 3,713
Census Tract 8427.06 4,787 3.0 1,604
Census Tract 8428 4,781 0.9 5,124
Census Tract 8463.07 4,752 1.3 3,789
Census Tract 8460.02 4,737 3.2 1,475
Census Tract 8401.02 4,734 0.7 6,595
Census Tract 8422 4,731 0.8 5,898
Census Tract 8464.12 4,726 1.0 4,877
Census Tract 8465.24 4,709 4.5 1,051
Census Tract 8416.03 4,709 6.4 731
Census Tract 8444.02 4,670 2.9 1,633
Census Tract 8409.07 4,658 1.5 3,157
Census Tract 8417.04 4,609 2.0 2,262
Census Tract 8461.02 4,606 1.5 3,040
Census Tract 8417.08 4,594 0.6 7,712
Census Tract 8411.08 4,589 1.7 2,626
Census Tract 8457.03 4,582 0.9 5,322
Census Tract 8417.06 4,564 1.6 2,888
Census Tract 8463.10 4,551 0.5 9,344
Census Tract 8464.09 4,529 2.7 1,652
Census Tract 8463.12 4,506 0.9 5,214
Census Tract 8412.05 4,506 0.7 6,343
Census Tract 8460.03 4,490 1.3 3,494
Census Tract 8427.02 4,479 0.9 5,199
Census Tract 8411.14 4,476 2.5 1,795
Census Tract 8409.08 4,420 1.7 2,641
Census Tract 8411.04 4,411 1.7 2,566
Census Tract 8420 4,400 1.2 3,782
Census Tract 8412.10 4,385 1.3 3,396
Census Tract 8426.04 4,383 1.3 3,439
Census Tract 8462.03 4,383 1.3 3,264
Census Tract 8448.01 4,376 1.1 4,099
Census Tract 8458.09 4,374 1.4 3,063
Census Tract 8437 4,373 0.8 5,673
Census Tract 8413.27 4,366 2.7 1,637
Census Tract 8461.04 4,359 1.4 3,124
Census Tract 8426.03 4,359 1.1 4,150
Census Tract 8456.01 4,354 0.9 5,068
Census Tract 8426.02 4,335 1.8 2,417
Census Tract 8413.22 4,326 0.8 5,686
Census Tract 8407.03 4,295 1.0 4,402
Census Tract 8464.08 4,291 1.5 2,901
Census Tract 8426.05 4,289 0.9 5,013
Census Tract 8447.01 4,265 1.0 4,124

Showing the 100 most populous of 219 — the rest are shown on the map.

Related places

Nearest counties

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 →