Detroit, Omaha, St. Paul, and Hammond are all cities located in the Midwestern United States. DETROIT is a major city in Michigan with a population of over 673, 000 people. Omaha is the largest city in Nebraska with a population of over 478, 000 people. St. Paul is the capital of Minnesota and has a population of over 307, 000 people. Hammond is a city in Indiana with a population of over 80, 000 people. All four cities are considered to be part of the Midwestern region of the United States.