The value of all farms, rural land, hunting land and other land for sale in Kalkaska County, Michigan, recently was $33 million, representing a combined 1,503 acres of land for sale in Kalkaska County. Kalkaska County ranks 45th in the Wolverine State for the total acreage of land currently advertised 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 Michigan's 73rd largest county (570 square miles). It's located in the Northwest Michigan region of the state.