Hailey is a city located in Blaine County Idaho. It is also the county seat of Blaine County. With a 2020 population of 8,931, it is the 27th largest city in Idaho and the 3346th largest city in the United States . Hailey is currently growing at a rate of 1.37% annually and its population has increased by 12.20% since the most recent census, which recorded a population of 7,960 in 2010. Hailey reached it's highest population of 8,931 in 2021. Spanning over 4 miles, Hailey has a population density of 2,272 people per square mile.
The average household income in Hailey is $63,688 with a poverty rate of 12.16%. The median rental costs in recent years comes to $671 per month, and the median house value is $368,300. The median age in Hailey is 38.9 years, 36.9 years for males, and 41.4 years for females.