The Piatt County Jail is located in the Public Safety Building, at 1216 Raymond Road in Monticello, Illinois 61856 . The Piatt County Jail/Public Safety Building was completed in 2004 and has the capability to house 76 inmates. The Piatt County Jail houses three basic types of persons: those who are awaiting bond or trial; those who have been sentenced to serve to time; and those being held for other agencies.
The Piatt County Jail is open 24 hours a day, 365 days a year. For general information concerning inmates, please contact the Piatt County Jail at (217) 762-3766. Please view the Facility section on this website for jail location, authorized items for inmates, inmate visiting hours and rules, inmate commissary accounts and the procedure for posting bail.