Johnson County, Illinois
Johnson County is located in southern Illinois within the Shawnee National Forest. The county seat is Vienna.
County Information
- County seat
- Vienna
Courts serving Johnson County
- Judicial circuit
- 1st Circuit
- County seat
- Vienna
- Courthouse
- Johnson County Courthouse
- Courthouse address
- 105 North 6th Street, P.O. Box 517, Vienna, IL 62995
- Court telephone
- (618) 658-4751
- Chief judge
- Ryan O’Neal
Divisions and services listed for this court: Administrative Orders, Disability Information (ADA), Drug and Veteran's Court, e-Filing, Johnson County Directory, Probation and Court Services, Self Represented Litigant Resources, Copier, Court Disability Coordinator, Digital Recording, E-filing Kiosk, Free Parking, Language Access, Local Rules / Orders, Printer, Public Transportation, Remote Proceedings, Self-Help Center.
Getting to and around Johnson County
Interstate 24 · Interstate 57 · U.S. Route 45 · Illinois Route 37 · Illinois Route 146 · Illinois Route 147 · Illinois Route 166
Vienna High School District 133 · Century Community Unit School District 100 · Goreville Community Unit School District 1 · Buncombe Consolidated School District 43 · Cypress School District 64 · New Simpson Hill Consolidated District 32 · Vienna School District 55
About Johnson County
- Heron Pond - Little Black Slough Nature Preserve
- Tunnel Hill State Trail
Community information compiled from api.census.gov, en.wikipedia.org, illinoiscourts.gov and reviewed 2026-09-10.
Legal Services in Johnson County
Black, Ballard, McDonald, P.C. represents Johnson County clients in the following practice areas:
Johnson County sits in Illinois's 1st Circuit, and county matters are filed at the Johnson County Courthouse.
Contact the Firm
The office is located in Mt. Vernon, Illinois. Contact an attorney to discuss your Johnson County matter.