Jefferson County is in Eastern Idaho. Of the 44 counties in the Gem State, Jefferson County ranks 28th in terms of size (707,657 acres). Recent listings of residential land for sale in Jefferson County, Idaho, totals roughly 1,000 acres and a combined market value of roughly $15 million. By overall acreage, residential property is the most common type of land for sale in Jefferson County. The average price of residential acreage for sale in Jefferson County was $835,511. 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.