Morgan County, Illinois
Lat/Long: 39.7167, -90.2167
The Illinois General Assembly created Morgan County out of Sangamon County and unorganized territory on January 31, 1823. In 1825, commissioners selected a site in the center of the county to be the permanent seat of justice, and Morgan County laid out the town of Jacksonville to be the county seat.
"An Act to Form a New County Out of the Attached Part of Greene County, North of Town Twelve," 31 January 1823, Laws of Illinois (1823), 108-10; Origin and Evolution of Illinois Counties (Springfield: Illinois Secretary of State, 2010), 7; History of Morgan County, Illinois: Its Past and Present (Chicago: Donnelley, Loyd, 1878), 255, 334-35; "An Act to Provide for Locating the Permanent Seat of Justice of Morgan County," 6 January 1825, Laws of Illinois (1825), 57-58.