DuPage County is located in the northeastern part of Illinois, just west of Chicago. It was established in 1839 and is known for its suburban communities, parks, and recreational areas. The county seat is Wheaton, which is home to several historical sites and institutions. The county is part of the Chicago metropolitan area and has a diverse population. It offers a mix of residential, commercial, and industrial spaces, making it a hub for businesses. DuPage County also features numerous schools, shopping centers, and cultural attractions, contributing to its appeal as a place to live and work.