There was a total of approximately $72 million of farmsand rural real estate for sale in Fond du Lac County, Wisconsin, recently on Land.com. The total of all Fond du Lac County farms, hunting land and other rural land and acreage for sale was 2,000 acres. Fond du Lac County ranks 12th out of 72 counties in the Cheese State for the total acreage of land currently advertised for sale. Of all land for sale in Fond du Lac County, Fond Du Lac had the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Fond du Lac County. Fond du Lac County is Wisconsin's 44th biggest county (765 square miles). It's located in the Northeast Wisconsin region of Wisconsin.