There was a combined approximately $4 million of farms and rural land for sale in Minnesota's Waseca County recently on Land.com. The total size of all Waseca County land and rural real estate for sale was 1,000 acres. Waseca County ranks 75th in the Land of 10,000 Lakes for the total acreage of land currently advertised for sale. Waseca featured the most land for sale. Waseca County is Minnesota's 80th biggest county (432 square miles). It's located in the Southern Minnesota region of Minnesota.