Darwin, Illinois
City: Darwin
County: Clark
State: Illinois
Lat/Long: 39.2833, -87.6000
Originally known as McClure's Bluff, Darwin was the seat of Clark County, Illinois, from 1823 until 1837 when county residents voted to move the seat to Marshall. Darwin was subsequently unincorporated.
William Henry Perrin, ed., History of Crawford and Clark Counties, Illinois (Chicago: O. L. Baskin, 1883), 238, 240, 359.