Land for sale in Minnesota's Waseca County recently totaled approximately $3 million and approximately 1,000 acres. Waseca County ranks 72nd out of 87 counties in Minnesota for the total number of acres of land currently advertised for sale. Of all locations in Waseca County with farms and rural real estate for sale, Waseca had the most land for sale. Waseca County is Minnesota's 80th largest county (432 square miles). It's located in the Southern Minnesota region of Minnesota.