Phillips County is in Northeast Colorado. Of the 64 counties in the Mile High State, 688-square-mile Phillips County ranks 54th by size. Colorado's Phillips County includes almost 1,000 acres of residential land and property for sale based on recent Land Network data. The combined market value of land for sale here was roughly $6 million. The average price of residential land for sale in Phillips County was $386,060. The economy here is largely agricultural. Browse all residential land and rural property for sale in Colorado 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.