Mercer County, IL

Headnote
MERCER COUNTY, situated on the west boundary of Illinois, with the Mississippi river on the west. Area, 550 square miles. Seat of justice, Millersburgh. Pop. in 1840, 2,352; in 1850, 5,246. (Fanning's, 1853)
    Place Unit Type
    County
    Containing Unit
    How to Cite This Page: "Mercer County, IL," House Divided: The Civil War Research Engine at Dickinson College, https://hd.housedivided.dickinson.edu/index.php/node/16303.