65 ILCS 5/2-2-6
Any 200 electors residing within the area may file with the circuit clerk of the county in which the area is situated, a petition addressed to the circuit court. The petition shall set forth (1) a definite description of the lands intended to be embraced in the proposed city, and a statement that no part of the territory lies within 1 1/2 miles of the boundary line of any existing municipality which has not consented to such incorporation, (2) the number of inhabitants residing therein, (3) the name of the proposed city, and (4) a prayer that a question be submitted to the electors residing within the limits of the proposed city, whether they will incorporate as a city under this Code. The petition need not set forth that no part of the territory lies within 1 1/2 miles of the boundary line of any existing municipality which has not consented to such incorporation, if the area proposed to be incorporated has residing therein a population of 7,500 or more residents. The court within 5 days after the petition is filed shall enter an order fixing the time for the hearing upon the petition and the day for the hearing shall be not less than 25 nor more than 35 days after the filing of the petition.
The petitioners shall give notice of the incorporation petition not more than 30 nor less than 15 days before the date set for hearing. This notice shall state that a petition for incorporation has been filed and give the substance thereof including a description of the territory to be incorporated, the number of persons residing within the territory, and the date fixed for hearing. This notice shall be given by publication thereof at least once in one or more newspapers published in the proposed city or, if no newspaper is published therein, then in one or more newspapers with a general circulation within the proposed city.
65 ILCS 5/2-2-6