There was a total of around $20 million of farms, hunting land and other rural land and acreage for sale in Iron County, Wisconsin, recently on Land.com. The total size of all Iron County farms, rural land, hunting land and other land for sale was 4,000 acres. Iron County ranks 65th out of 72 counties in Wisconsin for the total acreage of land currently advertised for sale. Mercer featured the most land for sale. Manufacturing and related services are the largest economic sectors in Iron County. Iron County is Wisconsin's 26th biggest county (919 square miles). It's located in the North Central Wisconsin region of the state.