Cicada 2024 Emergence Date. Two broods of cicadas—brood xix and xiii, which emerge every 13 and 17 years, respectively—are appearing together in 2024. That’s because 2024 will see two separate batches of periodical cicadas emerge en masse, spread across much of the eastern half of the u.s.
Since it may warm up faster. The two cicada broods will emerge in a combined 17 states across the southeast and midwest, with an overlap in parts of illinois and iowa.