200 N. Lafayette Street | Jerseyville, IL 62052 (618) 498-5571 
Jersey county government Office


Jerseyville | Fieldon | Grafton Delhi | Dow | Kane | Brighton Elsah | Fidelity | Otterville


Located to the north of St. Louis on US 67, Jersey County covers over 240,000 acres and is predominately rural. Jerseyville, the county seat, is the largest municipality and offers shopping, restaurants, recreation and a friendly atmosphere for visitors.  Grafton, a tourist town along the river, is the second largest municipality and located on Illinois 100, part of the National Scenic Byway called The Great River Road. The Mississippi River delineates the southern edge of the county and the Illinois River along much of the western edge. The bluffs of Pere Marquette State Park overlook the confluence of the Mississippi, Illinois, and Missouri Rivers.

Mission Statement:

The County Officials of Jersey County are committed to providing the highest quality services in a fiscally responsible manner to promote the health, safety and general welfare of all Jersey County residents. Our guiding principles will be honesty and integrity, community service, fiscal responsibility, and respect for others.

Free Discount Prescription Cards are available for Jersey County residents in the lobby of the Jersey County Government Building, County Clerk, County Board, Assessor, Treasurer, or Recorders offices, located at 200 N. Lafayette St. in Jerseyville, or ask for it at your local pharmacy.

Useful Links

Request for Proposal of Purchase

     Pine St., Dow

     Alva St., Dow

Invitation to the Public

The public is invited to participate in the update of the 2016 Multi-jurisdictional Natural Hazard Mitigation Plan. Jersey County has contracted with Two Rivers Emergency, LLC for the update and is planning future meetings to provide a forum for public input. For more information contact the Code Office at 618-498-5571 Ext. 145

Jersey County Courthouse


Monday-Friday 8:00 AM - 4:00 PM

Saturday-Sunday Closed

Local Events