Located in Southeast Montana, 5,016-square-mile Big Horn County is one of the ten biggest counties in Big Sky Country. The total value of almost 1,000 acres of residential land recently listed for sale in Montana's Big Horn County was approximately $8 million. The average price of residential land for sale in Big Horn County was $522,499. Browse all residential land and rural property for sale in Montana 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.