Dupage County is located in the northeastern part of Illinois and is part of the Chicago metropolitan area. The county seat is Wheaton.

Dupage County is governed by a board of 18 elected county board members, each representing one of the county's 18 districts. The board is responsible for setting policy and enacting laws and regulations. The county is also served by a county executive, who is elected by the board and is responsible for overseeing the day-to-day operations of the county.

The county is divided into 18 townships, which provide local government services. The county also has several special districts, including the Forest Preserve District of Dupage County, which is responsible for preserving and managing the county's natural resources.

The county is home to several major employers, including Argonne National Laboratory, Fermi National Accelerator Laboratory, and the DuPage County government.

The county is also home to several major universities, including the University of Illinois at Chicago, Northwestern University, and the University of Chicago.

For the most up-to-date and in-depth information, please check the public records links below.