The value of land and rural real estate for sale in Kewaunee County, Wisconsin, recently on Land.com was almost $15 million. This represents 1,000 acres of farms and rural real estate for sale in Kewaunee County. Kewaunee County ranks 67th in Wisconsin for the total number of acres of land currently advertised for sale. Of all locations in Kewaunee County with farms, rural land, hunting land and other land for sale, Kewaunee had the most land for sale. Manufacturing and related services are the largest economic sectors in Kewaunee County. Kewaunee County is Wisconsin's 18th largest county (1,084 square miles). It's located in the Northeast Wisconsin region of Wisconsin.