Illinois Counties
Illinois, Located in the Midwest, it is home to Chicago, the third-largest city in the US. The state is a major transportation hub and an agricultural leader, known for its vast corn and soybean fields. It also plays a significant role in manufacturing and finance.. There are 102 county in Illinois. You can find the list of these counties and detailed information from the links below.
Cook County
Cook County, population 5,108,284
Champaign County
Champaign County, population 209,192
Coles County
Coles County, population 50,383
| County Name | Population | Cities |
|---|---|---|
| Calhoun County | 4,616 | Calhoun County cities |
| Carroll County | 14,241 | Carroll County cities |
| Cass County | 11,925 | Cass County cities |
| Champaign County | 209,192 | Champaign County cities |
| Christian County | 32,075 | Christian County cities |
| Clark County | 15,268 | Clark County cities |
| Clay County | 13,079 | Clay County cities |
| Clinton County | 37,398 | Clinton County cities |
| Coles County | 50,383 | Coles County cities |
| Cook County | 5,108,284 | Cook County cities |
| Crawford County | 18,512 | Crawford County cities |
| Cumberland County | 10,649 | Cumberland County cities |