Piatt County, Illinois
Piatt County is located in east-central Illinois. The county seat is Monticello, known for Allerton Park.
County Information
- County seat
- Monticello
Courts serving Piatt County
- Judicial circuit
- 6th Circuit
- County seat
- Monticello
- Courthouse
- Piatt County Courthouse
- Courthouse address
- 101 W. Washington Street, Monticello, IL 61856
- Court telephone
- (217) 762-4966
- Chief judge
- Sharon Main
Divisions and services listed for this court: Copier, Court Disability Coordinator (Seth Floyd), Digital Recording, E-filing Kiosk, Free Parking, Internet, Lactation Rooms, Law Library (3rd Floor), Local Rules / Orders, Mobile Devices Allowed, Printer, Public Transportation (Piattran website), Self-Help Center.
Work and industry in Piatt County
327 business establishments, led by other services (44), construction (42), retail trade (39), wholesale trade (28), accommodation and food services (28). 2022 County Business Patterns.
Getting to and around Piatt County
Interstate 72 · Interstate 74 · U.S. Route 36 · U.S. Route 150 · Illinois Route 10 · Illinois Route 32 · Illinois Route 48 · Illinois Route 105
Piatt County Jail
About Piatt County
- Robert Allerton Park
- Monticello Railway Museum
Community information compiled from api.census.gov, en.wikipedia.org, illinoiscourts.gov, piatt.gov and reviewed 2026-09-10.
Legal Services in Piatt County
Black, Ballard, McDonald, P.C. represents Piatt County clients in the following practice areas:
Piatt County sits in Illinois's 6th Circuit, and county matters are filed at the Piatt County Courthouse.
Contact the Firm
The office is located in Mt. Vernon, Illinois. Contact an attorney to discuss your Piatt County matter.