Terms Used In Illinois Compiled Statutes 5 ILCS 100/1-80

     “Small municipality” means any municipality of 5,000 or fewer inhabitants and any municipality of more than 5,000 inhabitants that employs fewer than 50 persons full-time. For purposes of a specific rule, an agency may define small municipality to include employment of more than 50 persons if it finds that such a definition is necessary to adapt the rule to the needs and problems of small municipalities.