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

Explore the Museum in Person

Hieronymus Mueller Museum

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

Open Hours

1:00 – 4:00 p.m.
Tuesdays through Saturdays
(except holidays)


$2.00 Adults
$1.00 Children ages 17 and under

Group Tours

If you’re bringing a large group to the museum, we invite to you take advantage of our group tour rates. Book your group visit in advance. A guided tour of the exhibit is included with the group tour rate. Bookings are subject to staff availability.

Group Rate during Business Hours: Tuesdays – Saturdays, 9am – 5pm
$30 minimum (covers up to 20 people), additional $1.50/person after 20 people

Group Rate for Sundays, Mondays, and evenings
$45 minimum (covers up to 20 people), additional $2/person after 20 people

Hieronymus Mueller Museum

Directions & Parking

The Mueller 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.

To get to the museum from downtown Decatur, go north on Route 51 and turn left onto Eldorado Street/Route 36. The museum will be on your right.

The museum sits in front of the Mueller Co. plant and shares the parking entrance and visitor parking lot with Mueller Co. Plenty of free parking is available.

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