This is a private reference site, not the Winnebago County Sheriff's Office, the Winnebago County Jail, the Circuit Clerk, IDOC, BOP, ICE, or any government office. It cannot confirm custody status, release anyone, post bond, schedule jail services, or retrieve official booking records. Use the official contacts below for those tasks.
Where to Start for a Jail or Record Question
Winnebago County jail and law-enforcement records are handled through the Sheriff's Office at the Justice Center complex in Rockford. Court case files and certified court documents are handled by the Circuit Clerk, not the jail roster.
Winnebago County Sheriff's Office and Jail
Winnebago County Sheriff's Office650 W. State St.
Rockford, IL 61102
- Main Sheriff's Office: 815-319-6000
- Winnebago County Jail: 815-319-6600
- Booking: 815-319-6602
- Bond-out: 815-319-6614
- Sheriff FOIA questions: 815-319-6100
- Records email: records@wcso-il.us
- Public Records Section hours: 8:00 a.m. to 5:00 p.m., excluding weekends and holidays
Winnebago County Circuit Clerk
Winnebago County Circuit Clerk400 W. State St.
Rockford, IL 61101
- Phone: 815-319-4500
- Hours: 8:00 a.m. to 4:30 p.m. CDT
- Public access portal: FullCourt Enterprise
- Court-record help: Circuit Clerk access court records
Use the issue type to choose the right page or office:
- For someone currently in the county jail, start with jail inmate records and the official Winnebago County Sheriff inmate inquiry portal.
- For booking photos or arrest photographs, review jail roster mugshots and the sheriff FOIA request path under Illinois FOIA.
- For criminal charges, court dates, dispositions, certified copies, or background-check requests, use court records after a jail arrest and the Circuit Clerk's FullCourt Enterprise system.
- For facility address, phone, release, visitation, mail, and property basics, use the Winnebago County Jail facility page.
- For a sentenced Illinois state prisoner, use the IDOC individual-in-custody search, not the county jail roster.
- For a sentenced federal prisoner or immigration detainee, use the BOP inmate locator or the ICE Online Detainee Locator System. Official research did not identify a BOP or ICE detention facility physically in Winnebago County.