Putnam County, Illinois
Lat/Long: 41.2000, -89.2833
The Illinois legislature created Putnam County in 1825 out of Fulton County. In 1831, commissioners appointed for the purpose chose Hennepin as the county seat.
"An Act Forming New Counties out of the Counties of Pike and Fulton, and the Attached Parts Thereof," 13 January 1825, Laws of Illinois (1825), 92-96; "An Act to Create and Organize the Counties therein Named," 15 January 1831, Laws of Illinois (1831), 54-57.