DuPage County on the map of Illinois as of 2025. Cities, roads, borders and directions in DuPage County of Illinois.

DuPage County is adjacent to Chicago metropolitan area, it is also home for 922 thousand people, which makes it the second largest county in the state of Illinois. The county seat of DuPage county is Wheaton. This map shows the borders of DuPage County as well as neighboring counties, including major highways and natural objecsts as of 2025. Zoom in or out of the map using the plus/minus panel. Move the center of this map by dragging it. Also check out the satellite map of DuPage County.