Jefferson County, Missouri
Jefferson County is located in eastern Missouri, south of St. Louis. The county seat is Hillsboro. The firm serves Missouri clients from the Mt. Vernon, Illinois office.
County Information
- County seat
- Hillsboro
Courts serving Jefferson County
- Judicial circuit
- 2nd Circuit, District: 5
- County seat
- Hillsboro
- Courthouse
- Jefferson County Courthouse
- Courthouse address
- 100 S 10th St, Mount Vernon, IL 62864
- Court telephone
- (618) 244-8007
- Chief judge
- Lisa Simmons
Divisions and services listed for this court: Disability Information (ADA), e-Filing, Jefferson County Circuit Clerk Website, Online Records, Court Disability Coordinator, E-filing Kiosk, Food (Vending/Other), Free Parking, Internet, Local Rules / Orders, Lockers, Public Transportation, Remote Proceedings.
Getting to and around Jefferson County
I-55 · Route 21 · Route 30 · Route 109 · Route 110 · Route 141 · Route 231
Jefferson College · Crystal City 47 Public Schools · De Soto 73 School District · Dunklin R-V School District · Festus R-VI School District · Fox C-6 School District · Grandview R-II School District · Hillsboro R-3 School District · Northwest R-I School District · Windsor C-1 School District
About Jefferson County
- Big River Saddle Club
- Fletcher House
- Rockford Park
- Jefferson Winter Park
- NW Jefferson County Sports Complex
Community information compiled from api.census.gov, en.wikipedia.org, illinoiscourts.gov and reviewed 2026-09-10.
Legal Services in Jefferson County
Black, Ballard, McDonald, P.C. represents Jefferson County clients in the following practice areas:
Jefferson County sits in Illinois's 2nd Circuit, District: 5, and county matters are filed at the Jefferson County Courthouse.
Contact the Firm
The office is located in Mt. Vernon, Illinois. Contact an attorney to discuss your Jefferson County matter.