Idalia can refer to different places depending on the context:
- Idalia, Queensland, Australia : It is a southern suburb in the City of Townsville, Queensland. It had a population of 4,563 people as of the 2021 census. It is located near the Ross River and bounded by several roads and a railway line
- Idalia, Colorado, United States : It is an unincorporated town and census-designated place in Yuma County, Colorado. The population was 97 according to the 2020 census. It lies on the Eastern Plains of Colorado, near the Kansas border, and has farming, ranching, and natural gas industries
- Hurricane Idalia : In 2023, Hurricane Idalia made landfall along Florida's Gulf Coast and moved through northern Florida, coastal Georgia, and into South Carolina
If you mean a specific Idalia, please clarify whether you refer to the suburb in Australia, the town in Colorado, or the hurricane.