Dearborn is a city in Wayne County, Michigan, United States. It is an inner-ring suburb in Metro Detroit, bordering Detroit to the south and west, …Dearborn is a city in Wayne County, Michigan, United States. It is an inner-ring suburb in Metro Detroit, bordering Detroit to the south and west, and roughly 7 miles west of downtown Detroit. In the 2020 census, it had a population of 109,976, ranking as the seventh-most populous city in Michigan. Dearborn is best known as the hometown of the Ford Motor Company and of its founder, Henry Ford.