Land for sale in Kalkaska County recently totaled nearly $34 million and approximately 2,000 acres. Kalkaska County ranks 46th in the Wolverine State for the combined amount of land currently advertised for sale. Of all locations in Kalkaska County with land and rural real estate for sale, Kalkaska had the most land for sale. Mining and mineral extraction-related services are the main economic drivers in this part of Michigan. Kalkaska County is the 73rd largest county (570 square miles) in Michigan. It's located in the Northwest Michigan region of the state.