Land for sale in Phillips County recently totaled nearly $6 million and approximately 1,000 acres. Phillips County ranks 61st in the Mile High State for the total number of acres of land currently advertised for sale. Of all locations in Phillips County with land and rural real estate for sale, Holyoke featured the most land for sale. Phillips County has a large agricultural economy, with 319 farms recorded in the county during the latest U.S. Census. Farming activities in Phillips County generate annual revenues of $13 million, most of which is from crops. Phillips County is Colorado's 54th largest county (688 square miles). It's located in the Northeast Colorado region of the state.