Land for sale in Allegan County recently totaled $301 million and almost 100,000 acres. Allegan County ranks eighth in the Wolverine State based on the combined acreage of land for sale of the 83 counties in the Mitten State. There were two properties listed as sold in Allegan County through the Land Network Comparable Sales Program. This represented a total value of $1,008,000. Among cities in Allegan County with farms, hunting land and other rural land and acreage for sale, Allegan had the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Allegan County. Allegan County is Michigan's 14th largest county (1,833 square miles). It's located in the Southwest Michigan region of Michigan.