Contact Us

Winnebago County Administration Building

404 Elm Street
Rockford, IL 61101

Phone: 815-319-4444 

Hours: 8:00 a.m. - 5:00 p.m.

Email: BoardOffice@WINcoIL.us

En Español: Espanol@WINcoIL.us

Elected County Officials

• County Board Chairman
• County Board
• Auditor
• Circuit Clerk
• Coroner
• County Clerk
• Recorder
• Sheriff
• States Attorney
• Treasurer

For Contacts by Department, click here

For FOIA instructions and contacts, click here

Community Notification Registration

Click here to enroll for emergency notification messages.  For changes or removal of your cell phone number from the Winnebago County Emergency Notification System, or if you have questions or comments, please email ENS@wincoil.us or call Winnebago County (Win-Cart) at 815-319-4444. In case of emergency in , instead please For verification purposes, you will receive a phone call prior to any changes related to your phone number in the Emergency Notification System. All changes will be made as soon as possible.  

Waste-Fraud-Abuse Hotline: click here