Of 87 counties in the Land of 10,000 Lakes, Houston County ranks 62nd by size (568 square miles). Houston County is in Southern Minnesota. There is almost 1,000 acres of undeveloped land for sale in Minnesota's Houston County based on recent Land Network data. The combined market value of farmsand rural real estate for sale here is almost $1 million. Browse all Houston County undeveloped acreage for sale on the Land Network to find your next commercial property or land investment. The most common type of land for sale by combined acreage in Houston County is house.