Official Government Website
Departments: Sheriff’s Office

Sex Offender Search or Register a Sex Offender


If you are a sex offender residing in DeKalb County jurisdiction you must register in person at the DeKalb County Jail.

  • Bring a photo I.D.
  • Proof of address
  • If on parole, your mandatory supervised release plan

Registration hours are Monday through Friday 8 am to 4 pm OR by appointment.
If you can not come in during these hours Call 815-899-0721 (leave a message with a call back number if you receive a recording).


Offender Watch” is maintained by the DeKalb County Sheriffs Office and lists sex offenders that are registered throughout DeKalb County. The search page allows you to view offenders within one mile of any desired address, or locate offenders by city or last name.

Illinois Sex Offender Registry
The State Police has an information website that offers current legislation and allows you to search for offenders by last name, city or county.

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Most County Offices will close at noon on Friday April 19, 2019

County offices will reopen on Monday, April 22, 2019.

Please check with individual offices for office hours.