Mason County Inmate Population

Mason County inmate population records are managed by the Mason County Sheriff's Office in Havana, Illinois. This central Illinois county has about 12,745 residents and sits along the Illinois River between Peoria and Springfield. The county jail is in Havana, the county seat. You can reach the sheriff's office by phone to ask about current inmates or submit a records request in writing. This page walks through how to search Mason County inmate population data, where to find public records, and which offices handle these requests.

Find Mason County Inmate Records

The Mason County Sheriff's Office handles all jail operations and inmate records for the county. The office is at 125 North Plum Street in Havana, IL 62644. Call (309) 543-6431 to check if someone is in custody. The staff can tell you whether a person is held, list their charges, and give you bond information. This is the fastest way to get current Mason County inmate population data.

Mason County is a rural county with a small jail. The inmate population here stays low compared to urban counties. People serving sentences over one year typically get transferred to the Illinois Department of Corrections. The jail mostly holds pre-trial detainees waiting for their cases to move through the Mason County courts. If you call and the person is not there, ask staff whether they know if a transfer happened.

For anyone who has already moved to the state system, the IDOC website is the next place to look.

The IDOC homepage above links to the statewide inmate search. Mason County is close to Logan Correctional Center in Lincoln, which houses female inmates, and Illinois River Correctional Center in Canton. People sentenced in Mason County courts may be placed at these or other state facilities.

Mason County Inmate Population Records

Public records from the Mason County Jail include booking logs, charges, bond amounts, and court dates. These are open to anyone who asks. Under 5 ILCS 140, the Illinois Freedom of Information Act requires public bodies to share records upon written request. The Mason County Sheriff's Office has five business days to respond once they get your request. The first 50 pages are free.

Make your request clear. State the full name, dates, and what type of records you want. Vague requests slow the process down. Common asks include daily booking logs, release records, and total inmate counts for a given date. These are all public information.

Confidential records need a court order. Under 730 ILCS 5/3-5-1, master record files for inmates are sealed. Medical, mental health, and disciplinary files cannot be released without judicial approval. This rule covers both the Mason County Jail and any state prison. Basic booking and charge data is always accessible though.

Note: The IDOC FOIA office at (217) 558-2200 ext. 4166 handles state prison record requests, not county jail records.

Mason County Court Resources

The Mason County Circuit Clerk is in the courthouse in Havana. Court records include case filings, hearing dates, sentencing details, and docket information. If you need documents from a criminal case tied to someone in the Mason County inmate population, start with the circuit clerk. Mason County is part of the 8th Judicial Circuit. The State's Attorney handles all criminal prosecutions in the county.

Under 5 ILCS 140/2.15, arrest reports in Illinois must include the name, age, and charges of anyone arrested. Basic arrest data from Mason County is public. The Uniform Conviction Information Act at 20 ILCS 2635 limits release of criminal history to conviction information only. For a full check, you would go through the Illinois State Police. Between the circuit clerk and the sheriff, you can track down most records related to Mason County inmates.

Illinois State Inmate Search

The IDOC inmate search is free and public. Search by last name, IDOC number, or date of birth. Results show the current facility, projected release date, and offense information. If a Mason County inmate has been sentenced to state prison, this tool will show where they are.

The Illinois Prisoner Review Board handles parole hearings for anyone in the state system. Victims from Mason County can call 1-800-801-9110 for hearing updates. VINELink also offers free alerts when an inmate's status changes, whether they are in the Mason County Jail or a state facility.

FOIA Requests for Mason County

To file a FOIA request with the Mason County Sheriff's Office, put your request in writing and state that it is under the Freedom of Information Act. Describe the records you need. The office gets five business days to respond, with a possible five-day extension if they send written notice. After the first 50 pages, they can charge actual copying costs.

For state-level records about a Mason County resident in prison, contact the IDOC FOIA officer or use the IDOC FOIA page online. The county sheriff only handles records for people who are or were in the Mason County Jail. That is an important distinction if you are trying to get records for someone who has already been sent to a state facility.

Nearby Counties

Mason County is surrounded by other central Illinois counties. Each one runs its own jail and maintains its own inmate population records. Check the arrest location to figure out which county you need to contact.