
Hailey
- County:
- Blaine County
- County Seat:
- Yes
- Area (mi²):
- 3.932
- State:
- Idaho
Hailey is a city located in Blaine County, Idaho. Hailey has a 2025 population of 10,234. It is also the county seat of .Hailey is currently growing at a rate of 2.04% annually and its population has increased by 11.14% since the most recent census, which recorded a population of 9,208 in 2020.
The average household income in Hailey is $99,530 with a poverty rate of 8.28%. The median age in Hailey is 42.4 years: 37.1 years for males, and 43.7 years for females.