There was a total of almost $13 million of land for sale in Kewaunee County, Wisconsin, recently on Land.com. The total acreage of all Kewaunee County farms, hunting land and other rural land and acreage for sale was approximately 1,000 acres. Kewaunee County ranks 67th out of 72 counties in the Badger State for the total acreage of land currently advertised for sale. Algoma had the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Kewaunee County. Kewaunee County is the 18th biggest county (1,084 square miles) in Wisconsin. It's located in the Northeast Wisconsin region of the state.