King of Prussia has an unemployment rate of 4.30% and an annual job growth of about 1.44% and 38% over the next ten years. A large portion of that comes from the King of Prussia mall, the third largest shopping complex in the United States by shopping area square footage and the numerous employers in the area. The King of Prussia mall consists of over 450 stores, including several luxury retailers, and 8 anchor stores. The mall attracts 22 million visitors annually and produces $1.1 billion in annual sales. A large business park is located to the northwest of the King of Prussia mall, with over 60 commercial and industrial companies on 676 acres. There are about 60,000 people employed in King of Prussia, which is three times the resident population.