Of 44 counties in the Gem State, Washington County ranks 20th by size (1,473 square miles). Washington County is in Southwestern Idaho. There is 2,000 acres of hunting land for sale in Washington County, Idaho, based on recent Land Network data. The combined market value of farms, ranches, hunting land and other land for sale here is $3 million. Browse all Washington County hunting land for sale on the Land Network to find the hunting acreage that suits your hunting and outdoor-recreation interests, whether you're an individual looking to invest in hunting land for future use or commercial operation looking for land on which to grow your commercial hunting operation. The most common type of land for sale by combined acreage in Washington County is house.