Illinois Cicada Brood Map 2024. The northern illinois brood, or brood xiii, will be most seen in parts of northern illinois and indiana, and possibly even in wisconsin, iowa and parts of ohio. Here's where you can find them this year.
A pushpin map of the. Cicada map of illinois for 2024 one brood of cicadas will be prevalent in the northern half of illinois, while the second brood will be in the southern half of the state.