Oneida County is in Southeastern Idaho. Of the 44 counties in the Gem State, Oneida County ranks 26th in terms of size (1,200 square miles). Recent listings of residential land for sale in Idaho's Oneida County totals roughly 1,000 acres and a combined market value of approximately $18 million. The most common type of land for sale by combined acreage in Oneida County is undeveloped land. The average price of residential land for sale in Oneida County was $1 million. 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.