Ferndale is a city in Oakland County of the U.S. state of Michigan. It forms part of the Detroit metropolitan area. As of the 2010 census, the city population was 19,900. Ferndale is primarily residential, with a small industrial sector in the southeast part of the city. Ferndale's business district is anchored by the intersection of Woodward Avenue and 9 Mile Road, where privately owned shops, storefronts, dance clubs, bars and numerous restaurants are featured.