Hancock County Courthouse | State of Illinois Office of the Illinois Courts Hancock County Courthouse Circuit District: 4 | Circuit: 9thHancock County Sandra R. Redington, TCA500 Main St.Carthage, IL - Illinois 62321 8:00 a.m. - 4:00 p.m. (309) 837-9278 Visit Website Get Directions Hancock County Courthouse. In the state of Illinois most counties maintain trial courts in a county-based courthouse, which also house other government offices. Links 9th Circuit Local Rules e-Filing Rules Hancock County Circuit Clerk Website Holiday Schedule Resources