The value of all land for sale in Waseca County recently was almost $6 million, representing a combined 50 acres of land for sale in Waseca County. Waseca County ranks 66th in Minnesota for the total number of acres of land currently advertised for sale. Of all locations in Waseca County with farms, rural land, hunting land and other land for sale, Waseca had the most land for sale. Waseca County is the 80th biggest county (432 square miles) in Minnesota. It's located in the Southern Minnesota region of the state.