Courthouses in Alton, Illinois, the US. Courthouses locations in Alton, Illinois. Find the nearest courthouses locations, near you. All types of business services Accounting ATM Bank Courthouse Finance Funeral home Insurance Lawyer Real estate School Travel All courthouses in Alton Madison County Circuit Court Courthouse +1 618-296-1440 1700 East Broadway, Alton, Illinois 62002 Write a review Phone Website Directions