Of 44 counties in the Gem State, Adams County is 22nd in terms of its size (1,369 square miles). Adams County is in Southwestern Idaho. Recent listings of horse farms for sale in Idaho's Adams County totals roughly 1,000 acres and a combined market value of around $2 million. The most common type of land for sale by combined acreage in Adams County is house. Browse all Adams County horse farms for sale on the Land Network to find the equestrian property that's right for your future needs, whether you're a horse breeder, equestrian business or simply horse lover looking for stable facilities, grooming pens or grazing pasture for your own horses. The most common type of land for sale by combined acreage in Adams County is house.