Illinois Statutes Chapter 720. Criminal Offenses § 5/11-30. Public indecency

(a) Any person of the age of 17 years and upwards who performs any of the following acts in a public place commits a public indecency:

(b) “Public place” for purposes of this Section means any place where the conduct may reasonably be expected to be viewed by others.

(c) Sentence.

Public indecency is a Class A misdemeanor. A person convicted of a third or subsequent violation for public indecency is guilty of a Class 4 felony. Public indecency is a Class 4 felony if committed by a person 18 years of age or older who is on or within 500 feet of elementary or secondary school grounds when children are present on the grounds.