Courthouses in Carthage, Illinois, the US. Courthouses locations in Carthage, Illinois. Find the nearest courthouses locations, near you. All types of business services Accounting ATM Bank Courthouse Finance Lawyer Real estate School University All courthouses in Carthage Associate Judges Office Courthouse +1 217-357-2474 500 Main Street, Carthage, Illinois 62321 Write a review Phone Directions Closed now Hancock County Courthouse Courthouse +1 217-357-2616 500 Main Street, Carthage, Illinois 62321 Write a review Phone Hours Website Directions