As used in this Act:
"Agency" means any State or local government department, agency, division, commission, council, committee, board, or other body established by authority of a statute, ordinance, or executive order.
"Agent" means any person employed by or acting on behalf of an agency.
"Personal demographic information" means information concerning a person's race, color, gender identity, age, religion, disability, national origin, ancestry, sexual orientation, marital status, military status, order of protection status, pregnancy, or unfavorable discharge from military service that can be used to contact, track, locate, identify, or reasonably infer the identity of, a specific individual.
"Registry program" means a public, private, or joint public-private initiative: (1) for which particular individuals or groups of individuals, designated on the basis of their race, color, gender identity, age, religion, disability, national origin, ancestry, sexual orientation, marital status, military status, order of protection status, pregnancy, or unfavorable discharge from military service, are required by law to register; and (2) whose primary purpose is to compile a list of individuals who fall within a demographic category identified by their race, color, gender identity, age, religion, disability, national origin, ancestry, sexual orientation, marital status, military status, order of protection status, pregnancy, or unfavorable discharge from military service. "Registry program" does not include: (1) any initiative whose purpose is administration of services, benefits, contracts, or programs, including permits, licenses, and other regulatory programs; (2) the decennial census mandated by Article I, Section 2 of the United States Constitution; or (3) Selective Service registration as required under Chapter 49 of Title 50 of the United States Code.
5 ILCS 185/5