Juveniles adjudicated delinquent for a sex offense can result in lifelong consequences, including sex offender registration. Further, there can be repercussions financially, emotionally, and socially for a juvenile and his/her family that extend throughout the individual’s life. Given the potential negative impact of sex offender registration, it is important to understand the implications of the registry within the larger context of youth development and juvenile justice. This report analyzes characteristics of youth arrested, detained, and admitted to corrections in Illinois in 2014 and associated trends from 2004 to 2014.