Jail records peoria il Jailing Records. Jury. The jail houses individuals arrested within the county, including those awaiting trial, those convicted of misdemeanors, and those serving short The Circuit Clerk is the keeper of both the seal of the circuit court and the court records, including files and exhibits. Email. The Peoria County detention facility has a capacity of 420 spaces. Thank you for visiting Peoria County's Public Record Request page. Address. This service is free of charge, and the general public need not register to search for court records. Exemptions are also provided to insure the confidentiality of certain records. Sex Offender Information.