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Illinois: Communities · 2020–2024 ACS estimate

This comparison uses one population source and period. Types and rank scope remain explicit.

Browse all Illinois communities · 50 states and DC comparison · Coverage policy

Communities · 2020–2024 ACS estimate

ACS figures describe a five-year collection period. Their published margins of error are shown. Adjacent estimates may not differ significantly.

This comparison applies the directory's selection policy to those estimates. Historical or unresolved identities remain available in native lookup, outside the comparison, even when an older population estimate is available. A town and an overlapping Census-designated place can both appear as typed geographies.

These are overlapping jurisdictions and communities. Do not add their populations together. A directory count describes this selection policy.

1,461 entries in this view. The initial list shows up to 50 entries per section.

Communities · 2020–2024 ACS estimate (1,461)

IL: Communities · 2020–2024 ACS estimate. Ordered by population estimate, largest first.
NameTypeState rank2020–2024 ACS population
Chicago cityCook County; DuPage CountyCity12,711,226±63
Aurora cityDuPage County; Kane County; Kendall County; Will CountyCity2179,898±487
Naperville cityDuPage County; Will CountyCity3150,692±439
Joliet cityKendall County; Will CountyCity4150,445±889
Rockford cityOgle County; Winnebago CountyCity5147,521±271
Elgin cityCook County; Kane CountyCity6114,934±541
Springfield citySangamon CountyCity7113,330±437
Peoria cityPeoria CountyCity8112,169±332
Champaign cityChampaign CountyCity989,996±68
Waukegan cityLake CountyCity1089,076±423
Cicero townCook CountyTown1182,797±33
Bloomington cityMcLean CountyCity1278,907±87
Schaumburg villageCook County; DuPage CountyVillage1376,868±548
Evanston cityCook CountyCity1476,340±48
Arlington Heights villageCook CountyVillage1576,005±350
Bolingbrook villageDuPage County; Will CountyVillage1674,096±380
Decatur cityMacon CountyCity1769,815±547
Palatine villageCook CountyVillage1866,293±190
Skokie villageCook CountyVillage1966,219±46
Des Plaines cityCook CountyCity2059,156±278
Orland Park villageCook County; Will CountyVillage2157,916±457
Oak Lawn villageCook CountyVillage2256,861±39
Berwyn cityCook CountyCity2355,595±41
Mount Prospect villageCook CountyVillage2455,472±98
Tinley Park villageCook County; Will CountyVillage2554,842±69
Normal townMcLean CountyTown2653,569±575
Wheaton cityDuPage CountyCity2753,557±55
Oak Park villageCook CountyVillage2853,292±49
Hoffman Estates villageCook CountyVillage2951,175±485
Downers Grove villageDuPage CountyVillage3050,054±79
Glenview villageCook CountyVillage3147,752±260
Plainfield villageKendall County; Will CountyVillage3246,708±218
Elmhurst cityCook County; DuPage CountyCity3345,671±45
Lombard villageDuPage CountyVillage3443,619±334
Buffalo Grove villageCook County; Lake CountyVillage3542,891±67
Moline cityRock Island CountyCity3642,197±364
Belleville citySt. Clair CountyCity3741,370±45
Romeoville villageWill CountyVillage3841,152±75
Crystal Lake cityMcHenry CountyCity3940,579±208
Bartlett villageCook County; DuPage County; Kane CountyVillage4040,501±76
DeKalb cityDeKalb CountyCity4140,443±215
Carol Stream villageDuPage CountyVillage4239,460±99
Urbana cityChampaign CountyCity4339,341±34
Quincy cityAdams CountyCity4439,109±28
Streamwood villageCook CountyVillage4539,001±735
Park Ridge cityCook CountyCity4638,667±540
Wheeling villageCook County; Lake CountyVillage4738,433±41
Carpentersville villageKane CountyVillage4837,346±81
Hanover Park villageCook County; DuPage CountyVillage4936,732±84
Oswego villageKendall County; Will CountyVillage5036,375±39

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