Front of Mueller Museum building on a sunny day behind an iron fence

Find Us

Hieronymus Mueller Museum

420 West Eldorado Street
Decatur, Illinois 62522
Phone: 217-423-6161

Visiting Hours

1:00 – 4:00 p.m.
Tuesday through Saturday
(except holidays)


$2.00 for adults and $1.00 for those under the age of 17.
Exhibits cover the history of the company, its owners and employees, and the Mueller family.

Other visiting times may be scheduled by appointment by calling 217-423-6161. Special groups are welcome.

Hieronymus Mueller Museum


The Mueller Museum as approached from the east on Eldorado Street, Decatur, Illinois.

Parking turn-in is just beyond the building.

The Museum is located at 420 West Eldorado Street (between N Edward Street and N Monroe Street) in Decatur, Illinois. Eldorado Street is also U.S. Route 36.

The Museum is in front of the Mueller Co. plant and shares a parking entrance with the company’s visitor parking lot.

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