The combined value of ranches, farms, hunting land and other rural land and acreage for sale in Payette County recently on Land.com was almost $18 million. This represents 3,000 acres of farms, ranches, and rural real estate for sale in Payette County. Payette County ranks 31st in the Gem State for the total number of acres of land currently advertised for sale. Of all locations in Payette County with farms, ranches, hunting land and other land for sale, Payette had the most land for sale. Payette County is Idaho's 44th largest county (410 square miles). It's located in the Southwestern Idaho region of Idaho.