Some of the cities, towns, and places in Blaine County are Bellevue, Carey, Gannett, Gimlet, Hailey, Ketchum, Picabo, Sawtooth City, Sun Valley, Triumph
Blaine County is a county in the U.S. state of Idaho. As of the 2010 United States Census, the population was 21,376. The county seat and largest city is Hailey. It is also home to the Sun Valley ski resort, adjacent to Ketchum.
Blaine County was created by the territorial legislature on March 5, 1895, by combining Alturas and Logan counties; it was named for former congressman and 1884 Republican presidential nominee James G. Blaine. Its present boundaries were set on February 8, 1917, when a western portion was partitioned off to form Camas County.Blaine County is part of the Hailey, ID Micropolitan Statistical Area.