Lat/Long: 39.6167, -90.4500
Winchester, Illinois is the county seat of Scott County. It is located forty-five miles west-southwest of Springfield. When the Illinois General Assembly created Scott County in 1839, it designated Winchester as the county seat. The General Assembly incorporated Winchester as a town in March 1843. In February 1861, the General Assembly extended the corporate boundaries of the town.
An Act to Create and Organize the County of Scott; Webster's New Geographical Dictionary (Springfield, MA: Merriam-Webster, 1988), 1344; "An Act to Incorporate the Town of Winchester, in Scott County," 4 March 1843, Laws of Illinois (1843), 307-11; "An Act to Extend the Corporate Limits of the Town of Winchester," 22 February 1861, Private Laws of Illinois (1861), 739.