Detroit is in the Northern Hemisphere.
Detroit ( [ dᵻˈtrɔɪt ] ) is the most populous city in the U.S. state of Michigan , the largest city on the United States -- Canada border , and the seat of Wayne County . North America is a continent entirely within the Northern Hemisphere and almost all within the Western Hemisphere . United States . Forty-eight of the fifty states and the federal district are contiguous and located in North America between Canada and Mexico .