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.
Adams County
Adams County, population 64,783
Alexander County
Alexander County, population 5,497
| County Name | Population | Cities |
|---|---|---|
| Adams County | 64,783 | Adams County cities |
| Alexander County | 5,497 | Alexander County cities |