Census tract rankings · Illinois
Most populous census tracts in Illinois
Where the most people live inside a single tract. The Census Bureau aims for 4,000 residents per tract but splits and merges aren't always synchronized with growth. Filtered to Illinois, ranked among all tracts in the state.
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| Rank | Tract | County | population |
|---|---|---|---|
| #401 | Tract 6608 | Cook, IL | 5,876 |
| #402 | Tract 8413.07 | DuPage, IL | 5,876 |
| #403 | Tract 8443.06 | DuPage, IL | 5,875 |
| #404 | Tract 8205.02 | Cook, IL | 5,873 |
| #405 | Tract 8465.04 | DuPage, IL | 5,873 |
| #406 | Tract 104.01 | Jersey, IL | 5,873 |
| #407 | Tract 3106 | Cook, IL | 5,872 |
| #408 | Tract 7702.01 | Cook, IL | 5,871 |
| #409 | Tract 8713.12 | McHenry, IL | 5,867 |
| #410 | Tract 8233.02 | Cook, IL | 5,865 |
| #411 | Tract 502 | Cook, IL | 5,862 |
| #412 | Tract 8408.02 | DuPage, IL | 5,859 |
| #413 | Tract 8240.03 | Cook, IL | 5,858 |
| #414 | Tract 6609 | Cook, IL | 5,855 |
| #415 | Tract 317 | Cook, IL | 5,851 |
| #416 | Tract 1001 | Cook, IL | 5,850 |
| #417 | Tract 1404 | Cook, IL | 5,850 |
| #418 | Tract 39.03 | Winnebago, IL | 5,849 |
| #419 | Tract 8442.01 | DuPage, IL | 5,846 |
| #420 | Tract 36.03 | Sangamon, IL | 5,846 |
| #421 | Tract 8702 | McHenry, IL | 5,845 |
| #422 | Tract 8451 | DuPage, IL | 5,841 |
| #423 | Tract 3907 | Cook, IL | 5,837 |
| #424 | Tract 7708 | Cook, IL | 5,836 |
| #425 | Tract 8241.22 | Cook, IL | 5,830 |
| #426 | Tract 228 | Rock Island, IL | 5,830 |
| #427 | Tract 223 | Tazewell, IL | 5,830 |
| #428 | Tract 9507 | Fayette, IL | 5,828 |
| #429 | Tract 4 | Grundy, IL | 5,827 |
| #430 | Tract 5807 | Cook, IL | 5,822 |
| #431 | Tract 8236.02 | Cook, IL | 5,815 |
| #432 | Tract 8265 | Cook, IL | 5,811 |
| #433 | Tract 8179 | Cook, IL | 5,807 |
| #434 | Tract 8209.02 | Cook, IL | 5,803 |
| #435 | Tract 5703 | Cook, IL | 5,801 |
| #436 | Tract 8120 | Cook, IL | 5,798 |
| #437 | Tract 9626 | LaSalle, IL | 5,793 |
| #438 | Tract 4302 | Cook, IL | 5,792 |
| #439 | Tract 302 | Cook, IL | 5,791 |
| #440 | Tract 5033.24 | St. Clair, IL | 5,787 |
| #441 | Tract 1902 | Cook, IL | 5,766 |
| #442 | Tract 2521.02 | Cook, IL | 5,766 |
| #443 | Tract 8712.02 | McHenry, IL | 5,757 |
| #444 | Tract 7302.01 | Cook, IL | 5,755 |
| #445 | Tract 8213 | Cook, IL | 5,753 |
| #446 | Tract 1906.02 | Cook, IL | 5,745 |
| #447 | Tract 8105.02 | Cook, IL | 5,740 |
| #448 | Tract 8024.02 | Cook, IL | 5,739 |
| #449 | Tract 209 | Rock Island, IL | 5,735 |
| #450 | Tract 2504 | Cook, IL | 5,733 |
| #451 | Tract 8704.02 | McHenry, IL | 5,731 |
| #452 | Tract 34 | Sangamon, IL | 5,729 |
| #453 | Tract 1903 | Cook, IL | 5,728 |
| #454 | Tract 8549 | Kane, IL | 5,720 |
| #455 | Tract 8612.01 | Lake, IL | 5,717 |
| #456 | Tract 8402.02 | DuPage, IL | 5,716 |
| #457 | Tract 13.01 | Champaign, IL | 5,715 |
| #458 | Tract 8447.02 | DuPage, IL | 5,711 |
| #459 | Tract 106.04 | Boone, IL | 5,710 |
| #460 | Tract 8292 | Cook, IL | 5,709 |
| #461 | Tract 8613.01 | Lake, IL | 5,707 |
| #462 | Tract 8713.05 | McHenry, IL | 5,706 |
| #463 | Tract 813 | Cook, IL | 5,704 |
| #464 | Tract 9005 | Clinton, IL | 5,701 |
| #465 | Tract 301 | Henry, IL | 5,699 |
| #466 | Tract 8046.09 | Cook, IL | 5,697 |
| #467 | Tract 8072 | Cook, IL | 5,697 |
| #468 | Tract 2414 | Cook, IL | 5,693 |
| #469 | Tract 8030.13 | Cook, IL | 5,690 |
| #470 | Tract 8241.26 | Cook, IL | 5,690 |
| #471 | Tract 8803.05 | Will, IL | 5,690 |
| #472 | Tract 5 | Coles, IL | 5,688 |
| #473 | Tract 8109 | Cook, IL | 5,688 |
| #474 | Tract 8026.08 | Cook, IL | 5,687 |
| #475 | Tract 8240.05 | Cook, IL | 5,679 |
| #476 | Tract 8465.11 | DuPage, IL | 5,679 |
| #477 | Tract 8087.02 | Cook, IL | 5,671 |
| #478 | Tract 8615.06 | Lake, IL | 5,666 |
| #479 | Tract 8118 | Cook, IL | 5,660 |
| #480 | Tract 8801.09 | Will, IL | 5,660 |
| #481 | Tract 217.01 | Tazewell, IL | 5,655 |
| #482 | Tract 8465.17 | DuPage, IL | 5,653 |
| #483 | Tract 6605 | Cook, IL | 5,650 |
| #484 | Tract 8711.12 | McHenry, IL | 5,644 |
| #485 | Tract 2520 | Cook, IL | 5,643 |
| #486 | Tract 8415.01 | DuPage, IL | 5,636 |
| #487 | Tract 8169 | Cook, IL | 5,630 |
| #488 | Tract 8610.10 | Lake, IL | 5,628 |
| #489 | Tract 38.10 | Winnebago, IL | 5,621 |
| #490 | Tract 8060.01 | Cook, IL | 5,616 |
| #491 | Tract 8529.03 | Kane, IL | 5,608 |
| #492 | Tract 8016.05 | Cook, IL | 5,607 |
| #493 | Tract 8197 | Cook, IL | 5,607 |
| #494 | Tract 217.02 | Tazewell, IL | 5,607 |
| #495 | Tract 8023 | Cook, IL | 5,606 |
| #496 | Tract 8901.08 | Kendall, IL | 5,602 |
| #497 | Tract 36.04 | Sangamon, IL | 5,599 |
| #498 | Tract 9608 | Livingston, IL | 5,598 |
| #499 | Tract 8145 | Cook, IL | 5,597 |
| #500 | Tract 8714.02 | McHenry, IL | 5,596 |
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