There was a combined almost $4 million of land and rural real estate for sale in Minnesota's Waseca County recently on Land.com. The total of all Waseca County farms, rural land, hunting land and other land for sale was almost 1,000 acres. Waseca County ranks 74th out of 87 counties in the state for the combined amount 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.