Lat/Long: 40.3667, -89.5333
Settlers began moving to what would become Delavan in 1836. The Delavan area received a U.S. Post Office on January 7, 1840. Delavan was incorporated as a village on October 2, 1865, and as a town on April 17, 1888.
James N. Adams, comp., Illinois Place Names (Springfield: Illinois State Historical Society, 1989), 338; Frank R. Abate, ed., American Places Dictionary (Detroit: Omnigraphics, 1994), 3:136; History of Tazewell County, Illinois (Chicago: Chas. C. Chapman, 1879), 436.