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Illinois State

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REGION

Illinois

Rank Name Population Area Boundary

1 Cook County, IL 13,980 structures 5,376,741 2,450 km² ✓
2 Madison County, IL 3,840 structures 258,941 1,877 km² ✓
3 Sangamon County, IL 698 structures 188,951 2,248 km² ✓
4 Saint Clair County, IL 362 structures 256,082 1,719 km² —
5 Adams County, IL 242 structures 68,277 2,219 km² ✓
6 McLean County, IL 230 structures 150,433 3,066 km² ✓
7 Peoria County, IL 225 structures 183,433 1,605 km² ✓
8 Kane County, IL 202 structures 404,119 1,349 km² ✓
9 Jersey County, IL 198 structures 21,668 955 km² ✓
10 Champaign County, IL 189 structures 179,669 2,582 km² ✓

Rank Name Population Area Boundary

1 Chicago, IL 12,038 structures 2,704,958 606 km² —
2 Granite City, IL 1,498 structures 30,703 44.5 km² —
3 Evanston, IL 873 structures 77,693 20.2 km² —
4 Springfield, IL 663 structures 115,715 172 km² —
5 Edwardsville, IL 619 structures 24,557 36.5 km² —
6 East Saint Louis, IL 710 structures 28,773 37.4 km² —
7 Belleville, IL 345 structures 41,906 60.9 km² ✓
8 Alton, IL 333 structures 29,393 43.0 km² —
9 Collinsville, IL 292 structures 25,960 40.2 km² ✓
10 Pontoon Beach, IL 272 structures 6,081 42.3 km² ✓

Browse the full list 25,427 Illinois Structures indexed in this scope, filterable by status, height, year, and more.

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