Public Safety
Sex Offender & Violent Offender Against Youth Registry
The State of Illinois maintains a Sex Offender Registry and a Violent Offender Against Youth Registry to help keep communities informed and safe. These registries are publicly accessible and searchable.
Important: The information in these registries is provided for community safety purposes only. Any use of this information to threaten, intimidate, or harass registered offenders is strictly prohibited and may be a criminal offense under Illinois law.
Illinois Sex Offender Registry
Search the Illinois State Police Sex Offender Registry by name, address, or geographic area to find registered sex offenders in your community.
Search RegistryViolent Offender Against Youth Registry
Search the Illinois Violent Offender Against Youth Registry for individuals convicted of certain violent offenses against persons under 18 years of age.
Search RegistryNational Sex Offender Public Website (NSOPW)
The U.S. Department of Justice maintains a national database that allows you to search for registered sex offenders across all 50 states, the District of Columbia, U.S. territories, and tribal lands.
Search National DatabaseAdditional Information
Registration Requirements: Under Illinois law (730 ILCS 150), sex offenders must register with local law enforcement within 3 days of establishing a residence.
Community Notification: If you have concerns about a registered offender in your area, please contact the Williamsville Police Department.
Contact Us: (217) 566-3634