Piatt County, Illinois

County: Piatt

State: Illinois

Lat/Long: 40.0000, -88.5833

The Illinois General Assembly created Piatt County in 1841, from parts of Macon and DeWitt counties. The General Assembly designated Monticello as the county seat.

An Act for the Formation of the County of Piatt; Newton Bateman and Paul Selby, eds., Historical Encyclopedia of Illinois and History of Piatt County, ed. by Francis M. Shonkwiler (Chicago: Munsell, 1917), 2:637-38.