Piatt County Jail Overview
The Piatt County Jail is operated by the Piatt County Sheriff's Office and sits inside the Piatt County Public Safety Building at 1216 Raymond Road in Monticello. It is a county jail, which means it holds pre-trial detainees and short county jail sentences rather than sentenced state prisoners. The sheriff lists three groups in custody: people awaiting bond or trial, people serving jail time, and people held for other agencies. The jail operates 24 hours a day, 365 days a year.
The Public Safety Building opened in 2004 and also houses the county's emergency 911 dispatch center, so the jail shares space with sheriff administration, investigations, and the PSAP. The 2024 state inspection logs the facility's housing as 13 single detention rooms, 26 double rooms, and one 12-bed dormitory, with a medical provider on contract and a physician on call. It is a small facility serving a county of roughly 16,700 people across about 440 square miles.
Piatt County Jail Capacity and Population
Capacity figures for the Piatt County Jail come from two official sources that differ slightly. The sheriff's pages state the jail can house 76 inmates. The 2024 IDOC inspection lists a total capacity of 77, with 66 male beds and 11 female beds. On the inspection date of March 19, 2024, the head count was four people, all male, which is a single-day snapshot rather than an average.
The older correctional-populations dataset listed the Piatt County Jail at 49 people on December 31, 2013, so the count has ranged well below capacity across the snapshots on record. Treat the four-person inspection figure as one day, not a year-round Piatt County jail population.
Who Is Held at the Piatt County Jail
The Piatt County Jail is a county facility, so its population is built mostly from local arrests rather than long prison sentences. The sheriff groups the people in custody into a few clear categories, and knowing which one fits a person tells you where to search and what to expect.
- Pre-trial detainees - people awaiting a bond decision or trial who have not been convicted.
- Short jail sentences - people serving time in the county jail rather than a state prison.
- Holds for other agencies - people kept on a warrant, detainer, or request from another agency.
- Recent intakes - people still in booking before full custody status is set.
Sentenced felons do not stay here. Once a prison sentence is imposed, an inmate transfers to the Illinois Department of Corrections, and the search moves from the Piatt County Jail to the statewide IDOC locator.
How to Look Up an Inmate at the Piatt County Jail
Because there is no public online roster, looking up an inmate at the Piatt County Jail starts with the jail information line. Have the person's full legal name ready, along with a date of birth, arrest date, and arresting agency if you know them. For a sentenced prisoner who has moved to the state system, switch to the IDOC locator instead.
- Call the Piatt County Jail at (217) 762-3766 with the inmate's full legal name.
- Ask whether the person is currently in the Piatt County Jail and whether booking is complete.
- Confirm bond or pretrial-release status, and verify any amount before paying it.
- If the person was sentenced and transferred, search the IDOC Individual in Custody Search instead.
The full set of lookup channels, including the records-request route and the state and federal locators, is laid out on the jail inmate records page. The statewide search for sentenced prisoners is the IDOC inmate locator.
Piatt County Jail Address and Contact
The Piatt County Jail shares an address with the sheriff's office in the Public Safety Building. The jail information line is the number to use for custody questions, and it operates around the clock.
Piatt County Jail
1216 Raymond Road
Monticello, IL 61856
(217) 762-3766
Jail information line, open 24 hours; sheriff main (217) 762-5761
For records that staff cannot release by phone, the sheriff is listed as a FOIA officer, and a written public-records request is the route for booking records and similar documents.
Visiting Someone at the Piatt County Jail
The official visitation page publishes a schedule for out-of-county male inmates and a set of visitor rules. No separate official schedule was located for local male inmates, female inmates, attorney visits, or video visits, so the table below shows only what the county posts. Visits are non-contact, and a government photo ID is required.
| Day | Hours | Type |
|---|---|---|
| Wednesday | 4:00 PM - 6:00 PM | Out-of-county male inmates |
| Sunday | 4:00 PM - 6:00 PM | Out-of-county male inmates |
| Visit length | Two 20-minute visits per visiting day | Official rule |
| Minors | Under 18 must be with an adult 18 or older | Official rule |
| Young children | Under 5 held in the arms or lap of the adult | Official rule |
Every visitor must be on the inmate's approved visitor list, so confirm placement and the current schedule with the jail before traveling. The complete rules are on the official Piatt County jail visiting hours and rules page.
Mail, Phone, and Money at the Piatt County Jail
Mail to a Piatt County Jail inmate must use a standard envelope no larger than nine by four inches, with a complete name and return address, and corrections staff inspect everything. Money runs through the Tiger vendor system, and phone service runs through Combined Public Communications with a Chirps messaging option. The table sums up the main service vendors.
| Service | Provider / Detail |
|---|---|
| Mail Address | Inmate name, Piatt County Jail, 1216 Raymond Road, Monticello, IL 61856 |
| Phone / Messaging | Combined Public Communications (CPC); Chirps messaging |
| Money Deposit | Tiger: cash at the facility, mailed money order, or tigerdeposit.com |
| Commissary Order | Family orders through tigersnack.com by Tuesday each week |
The commissary and deposit options are detailed on the official Piatt County commissary accounts page.

Up to five personal photos no larger than four by six inches may be mailed at a time, while clothing, food, and hygiene items are bought through commissary rather than sent by mail.
Booking and Intake at the Piatt County Jail
The Piatt County Jail is open every day of the year, so a booking can happen at any hour. A person arrested by the sheriff, Monticello Police, or another agency may be transported to the jail and processed. Intake creates a booking record, logs and stores personal property, runs medical and mental-health screening, and allows admission phone calls, all of which the annual state inspection checks.
Bail is posted in person at the jail, with cash or credit card, plus a $40 processing fee, and the jail asks callers to verify the correct amount first. Because Illinois pretrial law now centers on release conditions and detention hearings, posting money does not always guarantee release, especially when a hold from another agency applies. The court charges that follow a booking open later through the prosecutor and the Circuit Clerk.
Medical Care and Conditions at the Piatt County Jail
Day-to-day conditions at the Piatt County Jail are documented mainly through the annual state inspection and the sheriff's facility pages. A contracted provider handles medical services, with a physician on call and a registered nurse on site a few hours each week, and an emergency dental provider is named in the inspection. Intake screening covers injury, illness, mental health, self-harm risk, and medication needs.
For everyday life inside, the jail provides commissary at least weekly, allows paperback religious literature, and lets inmates receive approved books and periodicals, with a local newspaper kept in the library. Communication runs through the phone vendor and the Chirps messaging option. No separate Piatt County jail reentry, GED, or work-release program was located in official sources, so program detail stays limited to what the inspection and facility pages confirm.
About the Piatt County Jail
The current Piatt County Jail replaced a building that had served the sheriff and jail for about 110 years, and the roughly $7.3 million Public Safety Building opened in 2004. The 2024 IDOC inspection found no noncompliance with Illinois County Jail Standards, listed no improvements needed since the prior visit, and noted that detainees voiced no issues when asked. Medical services are provided under contract, with a physician on call and a nurse on site a few hours each week.
The building also serves as the county's 911 dispatch center and can provide backup dispatch for neighboring DeWitt and Ford Counties. The history and facility details are on the official Piatt County Public Safety Building page.

Note: Confirm an inmate's custody status and the current visiting schedule with the Piatt County Jail before traveling, since transfers and releases are not posted online.