Located in Southwestern Idaho, 3,101-square-mile Elmore County is one of the ten biggest counties in the state. Recent listings of residential land for sale in Elmore County, Idaho, totals around 1,000 acres and a combined market value of about $35 million. The most common type of land for sale by combined acreage in Elmore County is undeveloped land. The average price of residential acreage for sale in Elmore County was $821,502. 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.