The Stockton Heritage Museum is a nonprofit organization, whose mission is to collect and preserve the oral, written, and pictorial memoirs and data of the past, relating to Stockton and Northwestern Illinois; to assemble and display artifacts that provide a window into Stockton's past; to encourage and aid individuals interest in historical research; and to present programs that share the stories and rich history of Stockton and the area.

Exhibits include the Chicago Great Western Railroad, N-scale model trains, Kraft Foods History and History of the Stockton area.