The total value of farms, hunting land and other rural land and acreage for sale in Ionia County recently on Land.com was approximately $35 million. This represents nearly 1,000 acres of land for sale in Ionia County. Ionia County ranks 60th in Michigan for the total acreage of land currently advertised for sale. Of all farms and rural real estate for sale in Ionia County, Ionia featured the most land for sale. Ionia County is Michigan's 57th biggest county (580 square miles). It's located in the West Central Michigan region of the state.