U.S. states similar to or like Illinois

One of four census regions of the United States Census Bureau . It occupies the northern central part of the United States. Wikipedia

In the midwestern United States. Surrounding states are Wisconsin to the north, Iowa and Missouri to the west, Kentucky to the south, and Indiana to the east. Wikipedia

U.S. state in the Midwestern United States. 38th-largest by area and the 17th-most populous of the 50 United States. Wikipedia

Most populous city in the U.S. state of Illinois, and the third most populous city in the United States. Estimated population of 2,693,976 in 2019, it is also the most populous city in the Midwestern United States. Wikipedia

State in the Great Lakes and Upper Midwest regions of the United States. Its name comes from the Ojibwe word mishigami, meaning "large water" or "large lake". Wikipedia

State in the Midwestern region of the United States. 34th-largest by area, and with a population of nearly 11.7 million, is the seventh-most populous and tenth-most densely populated. Wikipedia