Courts Directory | State of Illinois Office of the Illinois Courts Mercer County Courthouse Circuit District: 4 | Circuit: 14thMercer County Kristin Relander - Circuit Clerk100 SE 3rd StreetAledo, IL - Illinois 61231 Monday - Friday 8:00 a.m. - 4:00 p.m. (309) 582-7122 Visit Website Get Directions Links 14th Circuit Local Rules Resources Copier Digital Recording E-filing Kiosk Food A pop machine. Free Parking Internet Law Library Legal Nav Mandatory Arbitration Program Printer Self-Help Center