Gem County is in Southwestern Idaho. Of the 44 counties in the Gem State, Gem County ranks 40th in terms of size (361,339 acres). Recent listings of residential land and property for sale in Idaho's Gem County totals almost 2,000 acres and a combined market value of about $91 million. By overall acreage, undeveloped land is the most common type of land for sale in Gem County. The average price of residential acreage for sale in Gem County was $1 million. 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.