Located in South Central Idaho, 2,580-square-mile Cassia County is one of the ten biggest counties in the Gem State. The total value of roughly 1,000 acres of residential land and property recently listed for sale in Idaho's Cassia County was $13 million. The average price of residential acreage for sale in Cassia County was $562,084. The county has a rural, farm-based economy. 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.