All Central Illinois residents are invited to complete a short online survey to help the Hieronymus Mueller Museum with long-term exhibit planning. In the survey, you’ll get to see images from the museum’s collection and rate them based on how interesting they are to you! Complete the survey by Friday, October 13.

Central Illinois residents and visitors are invited to explore the Hieronymus Mueller Museum free of charge this summer! The museum is offering free admission to anyone who completes a short survey about their visit during May, June, and July 2023.

The Hieronymus (HAIR-on-i-mus) Mueller Museum of Decatur, IL is partnering with the Decatur Area Arts Council to showcase a selection of museum founder, Jane Mueller’s personal art collection. The show will be up April 1-23 in the Anne Lloyd Gallery at the Decatur Area Arts Council. All of the art will be for sale, with proceeds supporting the Arts Council. Learn more at DecaturARTS.org.

June 29, 2020
Learn more about Decatur and Hieronymus Mueller’s history in this short video by Gary Geisler!

Decatur Magazine, June 1, 2020
Visit the Hieronymus Mueller Museum and you’ll step into the rich story of a man heralded as a creative genius, prolific inventor and community champion. Chapters, as viewed through Mueller Company’s lens, are historical snapshots only Decatur can share.

Herald & Review, October 29, 2019

WAND-TV, October 23, 2019

Herald & Review, August 8, 2019

WAND-TV, November 6, 2017
Hieronymus Mueller moved to the United States in 1832. Through hard work and dedication, Mueller helped change the gas and water industry. Mueller was a German immigrant and an inventor and businessman.