Illinois encompasses approximately 23 million acres of prairie, making it one of the largest remaining prairie regions in the United States. These vast grasslands were essential to the state's early development and economy. Native American tribes, such as the Illinois and Kickapoo, relied heavily on the prairies for hunting, gathering, and agriculture.
The first European settlers also recognized the potential of the fertile prairies. They were ideal for farming, and as settlers moved into the region in the 19th century, they quickly transformed the landscape into productive agricultural land. The Illinois Prairies became a major source of agricultural products such as corn, wheat, and soybeans, contributing significantly to the state's economy.
The Prairie State nickname pays homage to the state's rich prairie heritage and recognizes the immense ecological, agricultural, and cultural importance of these vast grassy plains. It is a symbol of Illinois' natural beauty, agricultural bounty, and the vital role that the prairies have played in shaping the state's identity and history.