Census Counties in Illinois
Official U.S. Census Bureau and federal geographic directory listings.
Showing 102 total records.
| Entity Name | Classification | Location / State | GEOID | Land Area |
|---|---|---|---|---|
| County | Illinois (IL) | 17001 | 855.15 sq mi | |
| County | Illinois (IL) | 17003 | 235.39 sq mi | |
| County | Illinois (IL) | 17005 | 380.34 sq mi | |
| County | Illinois (IL) | 17007 | 280.75 sq mi | |
| County | Illinois (IL) | 17009 | 305.73 sq mi | |
| County | Illinois (IL) | 17011 | 869.07 sq mi | |
| County | Illinois (IL) | 17013 | 253.83 sq mi | |
| County | Illinois (IL) | 17015 | 445.41 sq mi | |
| County | Illinois (IL) | 17017 | 375.75 sq mi | |
| County | Illinois (IL) | 17019 | 996.10 sq mi | |
| County | Illinois (IL) | 17021 | 709.48 sq mi | |
| County | Illinois (IL) | 17023 | 501.39 sq mi | |
| County | Illinois (IL) | 17025 | 468.35 sq mi | |
| County | Illinois (IL) | 17027 | 473.94 sq mi | |
| County | Illinois (IL) | 17029 | 508.27 sq mi | |
| County | Illinois (IL) | 17031 | 944.93 sq mi | |
| County | Illinois (IL) | 17033 | 443.64 sq mi | |
| County | Illinois (IL) | 17035 | 345.95 sq mi | |
| County | Illinois (IL) | 17039 | 397.56 sq mi | |
| County | Illinois (IL) | 17037 | 631.34 sq mi | |
| County | Illinois (IL) | 17041 | 416.65 sq mi | |
| County | Illinois (IL) | 17043 | 327.90 sq mi | |
| County | Illinois (IL) | 17045 | 623.32 sq mi | |
| County | Illinois (IL) | 17047 | 222.40 sq mi | |
| County | Illinois (IL) | 17049 | 478.77 sq mi | |
| County | Illinois (IL) | 17051 | 716.45 sq mi | |
| County | Illinois (IL) | 17053 | 485.60 sq mi | |
| County | Illinois (IL) | 17055 | 408.94 sq mi | |
| County | Illinois (IL) | 17057 | 865.69 sq mi | |
| County | Illinois (IL) | 17059 | 322.94 sq mi | |
| County | Illinois (IL) | 17061 | 543.14 sq mi | |
| County | Illinois (IL) | 17063 | 418.13 sq mi | |
| County | Illinois (IL) | 17065 | 434.65 sq mi | |
| County | Illinois (IL) | 17067 | 793.75 sq mi | |
| County | Illinois (IL) | 17069 | 177.39 sq mi | |
| County | Illinois (IL) | 17071 | 378.79 sq mi | |
| County | Illinois (IL) | 17073 | 823.19 sq mi | |
| County | Illinois (IL) | 17075 | 1,117.41 sq mi | |
| County | Illinois (IL) | 17077 | 583.57 sq mi | |
| County | Illinois (IL) | 17079 | 494.61 sq mi | |
| County | Illinois (IL) | 17081 | 571.24 sq mi | |
| County | Illinois (IL) | 17083 | 369.56 sq mi | |
| County | Illinois (IL) | 17085 | 600.92 sq mi | |
| County | Illinois (IL) | 17087 | 343.74 sq mi | |
| County | Illinois (IL) | 17089 | 519.36 sq mi | |
| County | Illinois (IL) | 17091 | 676.49 sq mi | |
| County | Illinois (IL) | 17093 | 320.24 sq mi | |
| County | Illinois (IL) | 17095 | 716.36 sq mi | |
| County | Illinois (IL) | 17097 | 443.68 sq mi | |
| County | Illinois (IL) | 17099 | 1,135.12 sq mi |