The value of all farms, rural land, hunting land and other land for sale in Dunn County recently was nearly $35 million, representing a total of 770 acres of land for sale in Dunn County. Dunn County ranks 34th out of 72 counties in the state for the total number of acres of land currently advertised for sale. Among cities in Dunn County with farms and rural real estate for sale, Menomonie had the most land for sale. Government and state-level services are the main economic drivers in Dunn County. Dunn County is Wisconsin's 34th largest county (863 square miles). It's located in the Northwest Wisconsin region of the state.