60 ILCS 1/30-140

In counties with a population of less than 3,000,000, the electors may regulate hawkers, peddlers, pawnbrokers, itinerant merchants, and transient vendors of merchandise. The township board in those counties may require that any such person register his or her name and the name of any firm he or she represents with the township clerk and may make reasonable restrictions of the hours during which he or she may engage in door-to-door solicitation. The township board in those counties also may prohibit the activities of any categories of persons as it determines to be in the best interest of township residents. Any regulation under this Section shall not apply within the boundaries of a city, village, or incorporated town.