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) | 17101 | 372.18 sq mi | |
| County | Illinois (IL) | 17103 | 724.77 sq mi | |
| County | Illinois (IL) | 17105 | 1,043.63 sq mi | |
| County | Illinois (IL) | 17107 | 618.05 sq mi | |
| County | Illinois (IL) | 17115 | 580.55 sq mi | |
| County | Illinois (IL) | 17117 | 863.00 sq mi | |
| County | Illinois (IL) | 17119 | 715.52 sq mi | |
| County | Illinois (IL) | 17121 | 572.54 sq mi | |
| County | Illinois (IL) | 17123 | 386.82 sq mi | |
| County | Illinois (IL) | 17125 | 539.35 sq mi | |
| County | Illinois (IL) | 17127 | 237.15 sq mi | |
| County | Illinois (IL) | 17109 | 589.30 sq mi | |
| County | Illinois (IL) | 17111 | 603.40 sq mi | |
| County | Illinois (IL) | 17113 | 1,183.25 sq mi | |
| County | Illinois (IL) | 17129 | 314.39 sq mi | |
| County | Illinois (IL) | 17131 | 561.24 sq mi | |
| County | Illinois (IL) | 17133 | 385.30 sq mi | |
| County | Illinois (IL) | 17135 | 703.77 sq mi | |
| County | Illinois (IL) | 17137 | 568.96 sq mi | |
| County | Illinois (IL) | 17139 | 335.96 sq mi | |
| County | Illinois (IL) | 17141 | 758.65 sq mi | |
| County | Illinois (IL) | 17143 | 618.70 sq mi | |
| County | Illinois (IL) | 17145 | 441.93 sq mi | |
| County | Illinois (IL) | 17147 | 439.19 sq mi | |
| County | Illinois (IL) | 17149 | 831.35 sq mi | |
| County | Illinois (IL) | 17151 | 368.87 sq mi | |
| County | Illinois (IL) | 17153 | 199.27 sq mi | |
| County | Illinois (IL) | 17155 | 160.10 sq mi | |
| County | Illinois (IL) | 17157 | 575.37 sq mi | |
| County | Illinois (IL) | 17159 | 360.05 sq mi | |
| County | Illinois (IL) | 17161 | 427.50 sq mi | |
| County | Illinois (IL) | 17165 | 380.00 sq mi | |
| County | Illinois (IL) | 17167 | 868.23 sq mi | |
| County | Illinois (IL) | 17169 | 437.30 sq mi | |
| County | Illinois (IL) | 17171 | 250.79 sq mi | |
| County | Illinois (IL) | 17173 | 758.51 sq mi | |
| County | Illinois (IL) | 17163 | 657.75 sq mi | |
| County | Illinois (IL) | 17175 | 288.11 sq mi | |
| County | Illinois (IL) | 17177 | 564.25 sq mi | |
| County | Illinois (IL) | 17179 | 646.49 sq mi | |
| County | Illinois (IL) | 17181 | 413.41 sq mi | |
| County | Illinois (IL) | 17183 | 898.32 sq mi | |
| County | Illinois (IL) | 17185 | 223.32 sq mi | |
| County | Illinois (IL) | 17187 | 542.36 sq mi | |
| County | Illinois (IL) | 17189 | 562.60 sq mi | |
| County | Illinois (IL) | 17191 | 713.83 sq mi | |
| County | Illinois (IL) | 17193 | 494.98 sq mi | |
| County | Illinois (IL) | 17195 | 684.10 sq mi | |
| County | Illinois (IL) | 17197 | 835.90 sq mi | |
| County | Illinois (IL) | 17199 | 420.22 sq mi |