The value of all farms and rural land for sale in Lake County recently was around $13 million, representing a combined 1,965 acres of land for sale in Lake County. Lake County ranks 58th out of 87 counties in the North Star State for the total number of acres of land currently advertised for sale. Silver Bay had the most land for sale. Economically speaking, Lake County's is largely dependent on mining and mineral extraction-related businesses and services. Lake County is one of the ten largest counties in Minnesota (2,990 square miles). It's located in the Northeast Minnesota region of Minnesota.