There was a combined approximately $821 million of farms, ranches, hunting land and other land for sale in Blaine County recently on Land.com. The total acreage of all Blaine County land for sale was 100,000 acres. Blaine County ranks 11th in the Gem State for the combined amount of land currently advertised for sale. Of all land for sale in Blaine County, Hailey had the most land for sale. Based on its natural assets, tourism and recreation contribute significant revenue toward Blaine County's overall GDP. Blaine County is one of the ten largest counties in Idaho (2,654 square miles). It's located in the Central Idaho region of the state.