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