Lake County Jail Roster Search

Lake County posts its jail roster with detailed charge information for every person in custody. The Lake County Sheriff's Office runs the jail in Waukegan and keeps the roster current as bookings and releases happen. You can search the Lake County jail roster to find inmate names, booking dates, charges, bond amounts, and the arresting agency. The roster includes a charges detail report that breaks down each offense. This page explains how to access the Lake County jail roster and what information you will find when you search.

Search Lake County Jail Roster Online

The Lake County Sheriff's Office provides access to the current jail roster through its website. You can view the full roster at the Lake County Sheriff's site. The roster shows a current inmate charges detail report. Each entry includes the person's jacket number, name, date of birth, race, sex, days in custody, booking date, arresting agency, disposition, warrant status, bond amount, counts, and offense description.

The Lake County Sheriff website is where you start your search for inmates held in the Lake County jail system.

The Lake County government also provides access to sheriff and jail services through lakecountyil.gov/sheriff. This is the official county government page for the sheriff's office. It links to the same jail roster data but also has contact info and other resources.

Below you can see the Lake County government sheriff page, which serves as another access point for jail roster information.

If the person you are looking for is not on the Lake County jail roster, they may have been moved. People who get sentenced to over a year on a felony go to the state prison system. Use the IDOC offender search to check state facilities.

What the Lake County Jail Roster Shows

The Lake County jail roster is more detailed than many other counties in Illinois. Each record on the roster includes a jacket number for tracking, the inmate's full name and date of birth, and their race and sex. You can see how many days they have been in custody at Lake County Jail. The booking date tells you when they came in. The arresting agency field shows which law enforcement department made the arrest in Lake County.

A sample search of the Lake County jail roster returned 38 records at one point. Here is what typical entries look like on the roster. One record showed jacket number 25-00001127 for an individual booked on 12/12/2025 by the Lake County Sheriff with a disposition of open and a charge of future detention. Another entry showed jacket number 25-00000686, booked on 12/11/2025, with a bond of $250,000 and charges that included a probation violation and a violation of a protective order. These records give you a clear picture of who is in the Lake County jail and why they are being held.

Note: The Lake County jail roster shows current inmates only and does not include historical booking records for people who have been released.

Lake County Jail Contact Info

The Lake County Sheriff's Office is located at 25 S. Martin Luther King Jr. Avenue, Waukegan, IL 60085. Call (847) 377-4000 for general questions. The Lake County Jail itself is at 20 S. County Street, Waukegan, IL 60085. The jail phone number is (847) 377-7000. Use this number to ask about a specific person on the Lake County jail roster or to check visiting hours.

If you need to talk to someone about an inmate, the jail staff can confirm whether a person is still in Lake County custody. They can also tell you if someone has been transferred to another facility or released. Staff at the Lake County jail answer calls during regular business hours. For urgent matters outside those hours, call the main sheriff's line at (847) 377-4000.

Lake County Jail Roster Public Records

Jail roster data in Lake County is public under Illinois law. The Freedom of Information Act at 5 ILCS 140, Section 2.15 requires arrest reports to include the person's name, age, address, charges, and the time and place of the arrest. For people who are in jail, the report must also note when they were received, discharged, or transferred. Lake County must provide these reports within 72 hours of the arrest.

You can file a FOIA request with the Lake County Sheriff's Office if you need records beyond what the online jail roster displays. Some information is exempt under Section 7 of the act. Records that could risk the safety of jail staff or compromise facility security may be held back. Personal info about victims is often redacted from Lake County jail roster records too. But the basic data on names, charges, booking dates, and bonds stays public.

Under 730 ILCS 5, the Unified Code of Corrections governs how the state handles inmate records. This applies when someone leaves the Lake County jail roster and enters state prison. The county and state systems keep separate databases, so you may need to check both when looking for someone.

Lake County and IDOC

Lake County Jail holds people on local charges. Short sentences. Pretrial detention. IDOC handles the state prisons for people serving more than a year on felony convictions. These are two different systems. The Lake County jail roster does not include anyone who has been transferred to state custody.

Check the IDOC offender search at idoc.illinois.gov if someone has left the Lake County jail roster. IDOC results show the current facility, admission date, and projected discharge date for state inmates. You can also call IDOC at 217-558-2200 for help with a search. The Illinois Criminal Justice Information Authority is another resource that tracks criminal justice data across the state, including data that touches on Lake County.

Cities in Lake County

Lake County stretches across the northern suburbs of Chicago along the Wisconsin border. Arrests in these cities go through the Lake County Jail in Waukegan. The city below has its own page with more details about the jail roster process.

Nearby County Jail Rosters

Lake County borders several other Illinois counties. If you are unsure where an arrest was processed, check these neighboring jail rosters. Each county runs its own system and keeps a separate roster of inmates in custody.