The value of all farms and rural land for sale in Kewaunee County recently was almost $14 million, representing a total of 352 acres of land for sale in Kewaunee County. Kewaunee County ranks 67th in the Badger State for the combined amount of land currently advertised for sale. Among cities in Kewaunee County with land and rural real estate 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 Wisconsin's 18th biggest county (1,084 square miles). It's located in the Northeast Wisconsin region of the state.