Skip to Main Content
Illinois Supreme Court Historic Preservation Commission
Main Navigation
Menu
Close
Oral History
County & Justice Directory
Timeline
Justices
Counties
History On Trial
Retrials
About the History on Trial Project
News
About Us
Contact
Our Team
Learning Center
Timeline Key
Search
County Detail
DuPage County
County Seat:
Wheaton
Previous Seats:
Naperville, 1839; Wheaton, 1867
Area:
331 square miles
Population:
Population: 3,535 (1840 census) - 916,924 (2010 census)
Named for:
Du Page River
Created on:
February 9, 1839
Images
Back to Directory