Illinois is a state located in the Midwestern region of the United States. The people who live in Illinois are known as Illinoisans, but there are several other terms that can be used to refer to them as well. Some people may use the term Illinoian interchangeably with Illinoisan, while others may refer to them as Illinoisians, Illinoise, or even simply as Illinois residents. Additionally, some people may use the term Illinoisite, although this is less commonly used. Overall, there are several synonyms for the term Illinoisan that can be used depending on the context in which they are being discussed.