Mason County, Illinois
Mason County is located in central Illinois along the Illinois River. The county seat is Havana.
County Information
- County seat
- Havana
Courts serving Mason County
- Judicial circuit
- 8th Circuit
- County seat
- Havana
- Courthouse
- Mason County Courthouse
- Courthouse address
- 125 N. Plum Street, Havana, IL 62644
- Court telephone
- (309) 543-6619
- Chief judge
- Sharon Main
Divisions and services listed for this court: Copier, Court Disability Coordinator, Digital Recording, E-filing Kiosk, Electronic Device Policy, Free Parking, Internet, Lactation Rooms, Language Access, Law Library, Local Rules / Orders, Mobile Devices Allowed, Printer, Public Transportation, Self-Help Center.
Getting to and around Mason County
U.S. Highway 136 · Illinois Route 10 · Illinois Route 29 · Illinois Route 78 · Illinois Route 97 · Illinois Route 100
Havana Community Unit School District 126 · Illini Central Community Unit School District 189 · Midwest Central Community Unit School District 191
About Mason County
- Chautauqua National Wildlife Refuge (part)
- Sand Ridge State Forest
Community information compiled from api.census.gov, en.wikipedia.org, illinoiscourts.gov and reviewed 2026-09-10.
Legal Services in Mason County
Black, Ballard, McDonald, P.C. represents Mason County clients in the following practice areas:
Mason County sits in Illinois's 8th Circuit, and county matters are filed at the Mason County Courthouse.
Contact the Firm
The office is located in Mt. Vernon, Illinois. Contact an attorney to discuss your Mason County matter.