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.
DuPage County
DuPage County, population 917,481
DeKalb County
DeKalb County, population 104,491
Douglas County
Douglas County, population 19,510
| County Name | Population | Cities |
|---|---|---|
| De Witt County | 15,368 | De Witt County cities |
| DeKalb County | 104,491 | DeKalb County cities |
| Douglas County | 19,510 | Douglas County cities |
| DuPage County | 917,481 | DuPage County cities |