Piatt County Courthouse
101 W. Washington St.
P.O. Box 558
Monticello, IL 61856
217-762-9487 — County Clerk
217-762-4966 — Circuit Clerk
217-762-9487 — Recorder
IRAD Depository
Illinois State University
2016 Warehouse Rd.
Campus Box 1520
Normal, IL 61790-1520
309-452-6027
January 27, 1841 (Laws, 1841, p. 71)
Named for James A. Piatt, Sr., who settled in area of the present county in 1829, coming from Indiana.
Bement: | — |
Blue Ridge: | — |
Cerro Gordo: | — |
Goose Creek: | — |
Monticello: | — |
Sangamon: | — |
Unity: | Name changed from Douglas (date unknown, probably 1860). |
Willow Branch: | Name changed from Liberty (date unknown, probably 1860). |