Chicago-Naperville, IL-IN-WI CSA

Density Tier Breakdown

Density Tier	Pop	Area (mi²)
Extreme Urban (≥30k)	480,679	11.7
Dense Urban (15k-30k)	1,303,955	63.0
Urban (7.5k-15k)	1,481,737	144.6
Dense Suburban (4k-7.5k)	2,301,842	434.8
Suburban (2k-4k)	1,960,250	690.4
Rural (<2k)	2,458,497	9289.9

High-Density Cores (26)

Chicago Core Urban Core

3,407,488 people 278.96 mi² 921 tracts

Waukegan Core Urban Core

61,013 people 9.14 mi² 16 tracts

Palatine Core Urban Core

60,711 people 8.66 mi² 13 tracts

Aurora Core Urban Core

44,861 people 5.72 mi² 11 tracts

Calumet City Core Urban Core

32,754 people 6.37 mi² 7 tracts

Elgin Core Urban Core

25,500 people 3.27 mi² 6 tracts

Hanover Park Core Urban Core

24,157 people 3.08 mi² 4 tracts

Southwest Chicago Core Urban Core

22,315 people 2.88 mi² 5 tracts

Joliet Core Urban Core

20,951 people 2.94 mi² 6 tracts

Wheaton Core Urban Core

16,454 people 3.02 mi² 4 tracts

Glendale Heights Core Urban Core

12,976 people 1.93 mi² 3 tracts

East Chicago Core Urban Core

11,020 people 3.18 mi² 4 tracts

Kenosha Core Urban Core

10,910 people 1.24 mi² 3 tracts

Hoffman Estates Core Urban Core

8,463 people 0.96 mi² 2 tracts

Whiting Core Urban Core

7,910 people 0.8 mi² 2 tracts

Prospect Heights Core Urban Core

6,290 people 0.38 mi² 1 tracts

Villa Park Core Urban Core

5,956 people 0.72 mi² 1 tracts

Willowbrook Core Urban Core

5,413 people 0.72 mi² 1 tracts

Schaumburg Core Urban Core

4,798 people 0.47 mi² 1 tracts

Round Lake Beach Core Urban Core

4,778 people 0.51 mi² 1 tracts

Woodridge Core Urban Core

4,551 people 0.49 mi² 1 tracts

Bolingbrook Core Urban Core

4,494 people 0.53 mi² 1 tracts

Dekalb Core Urban Core

4,134 people 0.3 mi² 1 tracts

Addison Core Urban Core

4,070 people 0.43 mi² 1 tracts

West Chicago Core Urban Core

3,600 people 0.45 mi² 1 tracts

Des Plaines Core Urban Core

2,665 people 0.32 mi² 1 tracts

Layer Opacity

Census Tracts Fill 100%

Highways & Roads 70%

Transit Systems 70%

Roadway Networks

🛣️ Highways & Freeways

Interstates, US Highways, Expressways, and Highway Shields

?? Airports (Commercial & Private)

Major commercial and private/general aviation airports

Transit Systems

🚌 Bus Rapid Transit (BRT) 0 lines

Tulsa Aero BRT, Omaha ORBT, MCTS Connect, KC MAX, OKC Rapid

🚇 Metro & Light Rail 9 lines

St. Louis MetroLink (Red/Blue), Chicago 'L', Dallas DART Light Rail

🚋 Streetcars & Trolleys 1 lines

Delmar Loop Trolley, KC Streetcar, The Hop, Dallas Streetcar, OKC

🚆 Commuter & Regional Rail 11 lines

Metra Commuter Rail, Trinity Railway Express (TRE), Regional Rail

Transit Symbology & Colors:

Bus Rapid Transit (Cyan / Orange)

Metro & Light Rail (Red / Blue / Gold)

Streetcars & Trolleys (Purple / Amber)

Commuter & Passenger Rail (Dark Navy / Black)

Base Map Style

Muted Light Canvas (Recommended)

Clean grayscale background for high-contrast density visualization

OpenStreetMap Standard

Full street names, parks, water bodies, and neighborhood labels

Layers & Controls