Auburn Hills is a city in Oakland County in the U.S. state of Michigan. A northern suburb of Detroit, Auburn Hills is located about 26 miles north of downtown Detroit. As of the 2020 census, the city had a population of 24,360. Auburn Hills is home to Oakland University and the U.S. headquarters of Stellantis, PHINIA, BorgWarner and Volkswagen. Before incorporating as a city in 1983, the area was part of the now-defunct Pontiac Township.