Monroe County, Illinois
Monroe County is part of the St. Louis metropolitan area in southwestern Illinois. The county seat is Waterloo.
County Information
- County seat
- Waterloo
Courts serving Monroe County
- Judicial circuit
- 24th Circuit
- County seat
- Waterloo
- Courthouse
- Monroe County Courthouse
- Courthouse address
- 100 S. Main St., Waterloo, IL 62298
- Court telephone
- (618) 939-8681
- Chief judge
- Jeff Twardowski
Divisions and services listed for this court: Copier, Court Disability Coordinator, Digital Recording, E-filing Kiosk, Food (Vending/Other), Free Parking, Internet, Lactation Rooms, Law Library, Local Rules / Orders, Mobile Devices Allowed, Printer, Public Transportation, Remote Proceedings, Self-Help Center.
Getting to and around Monroe County
Interstate 255 · U.S. Highway 50 · Illinois Route 3 · Illinois Route 156 · Illinois Route 158 · Illinois Route 159
Waterloo High School · Waterloo Junior High School · Zahnow Elementary School · Rogers Elementary School · Gardner Elementary School · SS Peter and Paul Grade School · Gibault Catholic High School
Community information compiled from api.census.gov, en.wikipedia.org, illinoiscourts.gov and reviewed 2026-09-10.
Legal Services in Monroe County
Black, Ballard, McDonald, P.C. represents Monroe County clients in the following practice areas:
Monroe County sits in Illinois's 24th Circuit, and county matters are filed at the Monroe County Courthouse.
Contact the Firm
The office is located in Mt. Vernon, Illinois. Contact an attorney to discuss your Monroe County matter.