Welcome to the Illinois State Museum

The Illinois State Museum inspires discovery and caring about Illinois' cultural and natural resources and heritage. The Museum’s extensive collections and research activities provide the foundation for exhibitions and public programs that tell the story of the land, life, people, and art of Illinois.

The Illinois State Museum is headquartered in Springfield with branch facilities near Lewistown and in Lockport. 

Click here to go to the ISM-Springfield landing page.
Illinois State Museum
502 South Spring Street
Springfield
(217) 782-7386
Mon-Sat: 9-4:30, Sun: 12-4:30

Click here to go to the ISM-Research and Collections Center landing page.

Dickson Mounds Building Image.
Dickson Mounds
10956 N. Dickson Mounds Rd.
Lewistown
(309) 547-3721
Daily: 8:30-5

Click here to support the Museum Society.

Image of Lockport Gallery building.
Lockport Gallery
201 West 10th Street
Lockport
(815) 838-7400
Mon-Fri: 9-5, Sun: 12-5

Click here to visit our YouTube Channel.

Click here to find information about Illinois State Museum events.

Click here to access the latest Illinois State Museum News.

Illinois State Museum Partnerships