Cicada 2024 Illinois. The short answer is “no.” archived records indicate that periodical cicadas are primarily found along rivers and their tributaries in central illinois, where woodlands and forests were historically located. “historically speaking, 2024 is a big year for periodical cicadas in illinois ,” says ken johnson, extension horticulture educator serving calhoun, cass, greene, morgan, and scott counties.

These two broods are adjacent (but not significantly. What to expect most of the state of illinois will experience periodical cicada emergence in 2024.