Detroit is in England.
Detroit . The municipality of Detroit had a 2015 estimated population of 677,116 , making it the 21st-most populous city in the United States . The Detroit Metropolitan Airport is among the most important hubs in the United States . The Detroit River flows for 24 nmi from Lake St. Clair to Lake Erie as a strait in the Great Lakes system and forms part of the border between Canada and the United States . The Great Lakes region of North America is a bi-national Canadian-American region that includes portions of the eight U.S. states of Illinois , Indiana , Michigan , Minnesota , New York , Ohio , Pennsylvania and Wisconsin as well as the Canadian province of Ontario .