Skip to main content
Home
View My Favorites
Frank Lloyd Wright House and Studio - Oak Park

Enjoy Illinois

Explore Illinois

Group Travel Itineraries

Contact a CVB

Hieronymus Mueller Museum

420 W. Eldorado St., Decatur, IL 62521

Museums

Located on Mueller Company grounds, the museum celebrates the accomplishments of inventor Hieronymus Mueller, Decatur's "Unsung Genius" and holder of over 500 patents.

The Mueller Museum celebrates the life and legacy of Hieronymus Mueller, who emigrated from Germany to Decatur, Illinois, and founded several business concerns, including Mueller Co., which still exists today and produces many of the original signature Mueller products, namely water pressure valves and the iconic fire hydrants that we see in nearly every American town and city. Among the expanded facility's treasures: The seventh of only eight cars manufactured by Mueller!

How to find us?

Back to Listings

What's happening nearby...

2026 Prairie Pedal

Macon County Conservation Foundation •  Sep 27 @ 6:30AM

Ride through scenic Macon County on September 27! Choose a 20, 40, or 62-mile route starting at Rock Springs Conservation Area. Enjoy rest stops, beautiful scenery,…

Read more about 2026 Prairie Pedal

You might also be interested...

Governor Oglesby Mansion

Decatur

Read more about Governor Oglesby Mansion

Governor Oglesby Mansion History Museum

Decatur

Experience a piece of Decatur, IL history with a tour of this amazingly restored mansion.

Read more about Governor Oglesby Mansion History Museum

The Staley Museum

Decatur

A.E. Staley was a big man with big dreams and had the determination to make those dreams a reality. Although he did not arrive on…

Read more about The Staley Museum

Share your stories

#tourillinois

Subscribe to Our Newsletter

Get inspired by top travel stories, gain access to exclusive promotions and contests, and discover even more reasons to #EnjoyIllinois.