Jonesboro, Illinois

City: Jonesboro

County: Union

State: Illlinois

Lat/Long: 37.4500, -89.2667

In February 1818, Jonesboro became the county seat of the newly-formed county of Union. Jonesboro was the site of the third debate between Abraham Lincoln and Stephen A. Douglas.

"An Act adding a part of Pope county to Johnson, and forming a new county out of Johnson county," 2 January 1818, Laws of Illinois Territory (1818), 15-17; William H. Perrin, History of Alexander, Union and Pulaski Counties, Illinois (Chicago: O. L. Baskin, 1883), 286; Edwin Erle Sparks, ed., The Lincoln-Douglas Debates (Dansville, NY: F. A. Owen, 1918), 50-75.