A total of nearly 2,000 acres were listed for sale in Winnebago County, Wisconsin, recently, representing a total value of nearly $109 million in Winnebago County farmsand rural real estate for sale. Winnebago County ranks 23rd out of 72 counties in Wisconsin for the combined amount of land currently advertised for sale. Neenah had the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Winnebago County. Winnebago County is Wisconsin's 63rd largest county (578 square miles). It's located in the Northeast Wisconsin region of the state.