The Midwestern United States includes South Korea.
The Midwestern United States , also referred to as the American Midwest or simply the Midwest , is one of the four geographic regions defined by the United States Census Bureau , occupying the northern central part of the United States of America . South Korea , officially the Republic of Korea ( ROK ; ) , is a sovereign state in East Asia , constituting the southern part of the Korean Peninsula . United States . Forty-eight of the fifty states and the federal district are contiguous and located in North America between Canada and Mexico . The state of Hawaii is an archipelago in the mid-Pacific Ocean .