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
#201	Tract 8502.02	Kane, IL	6,648
#202	Tract 8152	Cook, IL	6,647
#203	Tract 4030.01	Madison, IL	6,644
#204	Tract 8285.05	Cook, IL	6,643
#205	Tract 205	Cook, IL	6,625
#206	Tract 5033.04	St. Clair, IL	6,619
#207	Tract 902	Cook, IL	6,618
#208	Tract 8059.02	Cook, IL	6,616
#209	Tract 5032.03	St. Clair, IL	6,616
#210	Tract 9001	Clinton, IL	6,613
#211	Tract 8045.09	Cook, IL	6,609
#212	Tract 8318	Cook, IL	6,600
#213	Tract 8715.01	McHenry, IL	6,592
#214	Tract 8074	Cook, IL	6,582
#215	Tract 8804.31	Will, IL	6,576
#216	Tract 1	DeKalb, IL	6,573
#217	Tract 8545.09	Kane, IL	6,568
#218	Tract 8630.03	Lake, IL	6,568
#219	Tract 6005.01	Monroe, IL	6,568
#220	Tract 8419	Cook, IL	6,567
#221	Tract 8043.13	Cook, IL	6,563
#222	Tract 109.01	Champaign, IL	6,561
#223	Tract 8662	Lake, IL	6,545
#224	Tract 6606	Cook, IL	6,533
#225	Tract 8076	Cook, IL	6,531
#226	Tract 8026.09	Cook, IL	6,525
#227	Tract 8803.17	Will, IL	6,525
#228	Tract 8030.17	Cook, IL	6,520
#229	Tract 4027.01	Madison, IL	6,519
#230	Tract 305	Cook, IL	6,518
#231	Tract 8300.04	Cook, IL	6,514
#232	Tract 8246.02	Cook, IL	6,508
#233	Tract 6203	Cook, IL	6,507
#234	Tract 8620	Lake, IL	6,507
#235	Tract 8804.21	Will, IL	6,498
#236	Tract 1003	Cook, IL	6,495
#237	Tract 215	Tazewell, IL	6,491
#238	Tract 8501.01	Kane, IL	6,490
#239	Tract 8036.03	Cook, IL	6,489
#240	Tract 8241.06	Cook, IL	6,489
#241	Tract 8458.07	DuPage, IL	6,487
#242	Tract 8135	Cook, IL	6,481
#243	Tract 8832.11	Will, IL	6,480
#244	Tract 103	Cook, IL	6,477
#245	Tract 8102	Cook, IL	6,470
#246	Tract 106	Cook, IL	6,467
#247	Tract 8839.02	Will, IL	6,459
#248	Tract 8528.08	Kane, IL	6,454
#249	Tract 8525	Kane, IL	6,432
#250	Tract 8465.09	DuPage, IL	6,431
#251	Tract 8139	Cook, IL	6,419
#252	Tract 8645.13	Lake, IL	6,419
#253	Tract 5608	Cook, IL	6,415
#254	Tract 8034	Cook, IL	6,398
#255	Tract 106.03	Boone, IL	6,387
#256	Tract 801	Cook, IL	6,387
#257	Tract 204	Rock Island, IL	6,380
#258	Tract 8501.03	Kane, IL	6,378
#259	Tract 8028.02	Cook, IL	6,375
#260	Tract 8025.04	Cook, IL	6,373
#261	Tract 8901.03	Kendall, IL	6,370
#262	Tract 8417.05	DuPage, IL	6,368
#263	Tract 7004.01	Cook, IL	6,367
#264	Tract 8245.05	Cook, IL	6,363
#265	Tract 8047.01	Cook, IL	6,360
#266	Tract 8644.07	Lake, IL	6,349
#267	Tract 8002	Cook, IL	6,347
#268	Tract 8036.11	Cook, IL	6,341
#269	Tract 8464.04	DuPage, IL	6,337
#270	Tract 8224	Cook, IL	6,325
#271	Tract 8707.03	McHenry, IL	6,321
#272	Tract 8077	Cook, IL	6,320
#273	Tract 8016.08	Cook, IL	6,318
#274	Tract 8	DeKalb, IL	6,318
#275	Tract 8049.01	Cook, IL	6,314
#276	Tract 8245.03	Cook, IL	6,312
#277	Tract 8203	Cook, IL	6,308
#278	Tract 1911	Cook, IL	6,279
#279	Tract 4018	Madison, IL	6,276
#280	Tract 206.01	Cook, IL	6,275
#281	Tract 8614.04	Lake, IL	6,271
#282	Tract 8051.08	Cook, IL	6,270
#283	Tract 9617.01	LaSalle, IL	6,267
#284	Tract 8545.07	Kane, IL	6,265
#285	Tract 3206	Cook, IL	6,262
#286	Tract 4036.04	Madison, IL	6,261
#287	Tract 8046.03	Cook, IL	6,258
#288	Tract 8413.14	DuPage, IL	6,258
#289	Tract 209.01	Cook, IL	6,256
#290	Tract 8083.01	Cook, IL	6,255
#291	Tract 8802.04	Will, IL	6,254
#292	Tract 4031.01	Madison, IL	6,253
#293	Tract 8192	Cook, IL	6,252
#294	Tract 8644.08	Lake, IL	6,245
#295	Tract 8810.07	Will, IL	6,243
#296	Tract 8609.03	Lake, IL	6,238
#297	Tract 8036.05	Cook, IL	6,237
#298	Tract 8115	Cook, IL	6,236
#299	Tract 8811.13	Will, IL	6,236
#300	Tract 8401.04	DuPage, IL	6,225