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.

Kane County
Kane County

Kane County, population 531,010

Kendall County
Kendall County

Kendall County, population 130,638

Kankakee County
Kankakee County

Kankakee County, population 108,594

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Counties on Map (4)