10 ILCS 5/7-15
At least 60 days prior to each general and consolidated primary, the election authority shall provide public notice, calculated to reach elderly voters and voters with disabilities , of the availability of registration and voting aids under the Federal Voting Accessibility for the Elderly and Handicapped Act, of the availability of assistance in marking the ballot, procedures for voting by a vote by mail ballot, and procedures for early voting by personal appearance. At least 20 days before the general primary the county clerk of each county, and not more than 30 nor less than 10 days before the consolidated primary the election authority, shall prepare in the manner provided in this Act, a notice of such primary which notice shall state the time and place of holding the primary, the hours during which the polls will be open, the offices for which candidates will be nominated at such primary and the political parties entitled to participate therein, notwithstanding that no candidate of any such political party may be entitled to have his name printed on the primary ballot. Such notice shall also include the list of addresses of precinct polling places for the consolidated primary unless such list is separately published by the election authority not less than 10 days before the consolidated primary.
In counties, municipalities, or towns having fewer than 500,000 inhabitants notice of the general primary shall be published once in two or more newspapers published in the county, municipality or town, as the case may be, or if there is no such newspaper, then in any two or more newspapers published in the county and having a general circulation throughout the community.
In counties, municipalities, or towns having 500,000 or more inhabitants notice of the general primary shall be published at least 15 days prior to the primary by the same authorities and in the same manner as notice of election for general elections are required to be published in counties, municipalities or towns of 500,000 or more inhabitants under this Act.
Notice of the consolidated primary shall be published once in one or more newspapers published in each political subdivision having such primary, and if there is no such newspaper, then published once in a local, community newspaper having general circulation in the subdivision, and also once in a newspaper published in the county wherein the political subdivisions, or portions thereof, having such primary are situated.
10 ILCS 5/7-15