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.
Saint Clair County
Saint Clair County, population 258,046
Sangamon County
Sangamon County, population 193,882
Stephenson County
Stephenson County, population 43,831
| County Name | Population | Cities |
|---|---|---|
| Saint Clair County | 258,046 | Saint Clair County cities |
| Saline County | 23,182 | Saline County cities |
| Sangamon County | 193,882 | Sangamon County cities |
| Schuyler County | 6,738 | Schuyler County cities |
| Scott County | 4,950 | Scott County cities |
| Shelby County | 21,299 | Shelby County cities |
| Stark County | 5,262 | Stark County cities |
| Stephenson County | 43,831 | Stephenson County cities |