Find Winnebago County Inmates

Winnebago County inmate population records are managed by the Winnebago County Sheriff's Office out of Rockford, Illinois. The county jail has 1,100 beds and holds an average of about 700 inmates on any given day. You can search for people in Winnebago County custody using the free online inmate inquiry tool or by calling the jail. This page covers how to look up inmates, who to contact at the Winnebago County Sheriff's Office, and how to get records through FOIA and other channels.

Winnebago County Inmate Inquiry

The Winnebago County Sheriff's Office runs a free online inmate search tool. You can find it at winnebagosheriff.com/inmate-inquiry. This tool shows who is in the Winnebago County Jail right now. Search by first name, last name, or booking number. Results show the person's charges, booking date, bond amount, and current status. The system updates as people are booked in or let go.

The Winnebago County inmate inquiry portal is shown in the screenshot below. You can access this page from any web browser at no cost.

This is one of the easier county jail search tools in Illinois. Most results load fast, and the data is kept current throughout the day. If someone was just arrested, it may take a few hours for them to show up in the system. That delay is normal.

You can also use VINELink to search for inmates in Winnebago County and sign up for release alerts. If you think the person went to state prison after sentencing, check the IDOC inmate search instead.

Winnebago County Sheriff's Office

The Winnebago County Sheriff's Office is located at 650 W State St, Rockford, IL 61102. The main phone number is 815-319-6000. This office handles all jail operations, patrol, and civil process for Winnebago County. The sheriff is the top law enforcement officer for the unincorporated parts of the county and is also in charge of all corrections operations at the Winnebago County Jail.

Below is a screenshot of the Winnebago County Sheriff's homepage, which links to the inmate inquiry tool and other public resources.

For questions about a specific inmate, call the jail at 815-319-6600. Staff can confirm if someone is in custody and give basic booking details. You can also email sheriff@winnebago.net. The Winnebago County inmate population averages around 700 people, making it one of the larger county jail systems outside the Chicago metro area.

Winnebago County Jail Details

The Winnebago County Jail sits at 650 W State St in Rockford. It has 1,100 beds, which makes it a large facility by Illinois standards. The jail holds both pre-trial detainees and sentenced inmates. On a typical day, the Winnebago County inmate population hovers around 700 people. That means the jail usually runs at about 64% of its total capacity, which is a bit lower than some nearby counties.

People booked into the Winnebago County Jail go through intake, which includes fingerprinting, a health check, and a risk assessment. Classification staff then decide where in the jail to house each person. Men and women are kept in separate units. Inmates with medical or mental health needs get placed where they can get care. The whole intake process can take several hours from start to finish, which is why new bookings may not appear in the online search right away.

Note: Anyone sentenced to more than one year in Illinois goes to a state prison, not the county jail.

Winnebago County Inmate Population Records

You can request inmate records from Winnebago County through a FOIA filing. Under 5 ILCS 140, all public bodies in Illinois must respond to written record requests within five business days. Send your request to the Winnebago County Sheriff's Office at 650 W State St, Rockford, IL 61102 or email sheriff@winnebago.net. The first 50 pages of any response come at no charge.

Basic inmate records are public. This includes things like booking data, charges, bond amounts, and release dates. But some records are off limits. Under 730 ILCS 5/3-5-1, master record files at the state level are confidential. Medical records, psychological evaluations, and internal disciplinary files need a court order. This applies to records held at state prisons. At the county level, the same general idea holds. Health records for inmates in Winnebago County are not public.

Winnebago County Court Offices

The Winnebago County Circuit Clerk is at 400 W State St, Rockford, IL 61101. Call 815-319-4500 for court records, case lookups, and bond info. If you want to track a case tied to someone in the Winnebago County Jail, the circuit clerk is who you call. They keep all case files, hearing dates, and sentencing orders on file for public access.

The Winnebago County State's Attorney shares the same building at 400 W State St and can be reached at 815-319-4500. That office decides whether to file charges and handles prosecution in Winnebago County. Under 20 ILCS 2635, only conviction records are freely available to the public. Arrest data without a conviction can be restricted. The Prisoner Review Board manages parole and release decisions for state inmates who may be from Winnebago County.

Cities in Winnebago County

Rockford is the largest city in Winnebago County and the county seat. All arrests in Rockford that lead to jail time go through the Winnebago County Jail. The city police make the arrest, but the sheriff handles custody and inmate population records from that point forward.

Nearby Counties

Winnebago County shares borders with several other counties. If you are not sure where someone was booked, check the arrest location. Each county has its own jail and inmate records system.