Of 56 counties in the Treasure State, Phillips County ranks third in terms of size (3 million acres). Phillips County is in the Missouri River Country Montana region. There is approximately 1,000 acres of residential land for sale in Phillips County, Montana, based on recent Land Network data. The combined market value of land for sale here is almost $3 million. The average price of residential land for sale in Phillips County was $348,044. The economy here is principally agricultural. 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.