The State of Iniana (IPA: /ˌɪndiˈænə/) was the 19thU.S. state admitted into the union. It is located in the midwestern region of the United States of America. With about 6.3 million residents, it is ranked 15th in population and 17th in population density. Indiana is ranked 38th in land area, and is the smallest contiguous state west of the Appalachian Mountains.