Cicadas 2024 Map Illinois Counties. Billions of cicadas will be emerging in illinois this year. Cicadas emerging in northfield, illinois, captured on may 19, 2024.
Maps of two cicada broods, reunited after 221 years. This year (2024) is a big year for periodical cicadas in illinois, where broods xiii and xix will be emerging throughout much of the state at the same time.