Fremont County is in Eastern Idaho. Of the 44 counties in the Gem State, 1,896-square-mile Fremont County ranks 17th by size. Fremont County, Idaho, has roughly 1,000 acres of residential land for sale based on recent Land Network data. The combined market value of farms and ranches for sale here was roughly $18 million. The average price of residential land for sale in Fremont County was $1 million. 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.