Located in Central Idaho, 4,569-square-mile Lemhi County is one of the ten biggest counties in the Gem State. Recent listings of residential land for sale in Idaho's Lemhi County totals nearly 1,000 acres and a combined market value of $8 million. The most common type of land for sale by combined acreage in Lemhi County is residential property. The average price of residential land for sale in Lemhi County was $672,541. Browse all residential land and rural property for sale in Idaho to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.