The value of all farms, hunting land and other rural land and acreage for sale in Maine's Cumberland County recently was almost $235 million, representing a combined 2,256 acres of land for sale in Cumberland County. Cumberland County ranks eighth in the Pine Tree State for the total acreage of land currently advertised for sale. Of all land for sale in Cumberland County, Windham had the most land for sale. Based on its natural assets, Cumberland County's economy is dependent on tourism and recreation. Cumberland County is one of the ten biggest counties in Maine (1,217 square miles). It's located in the Southwest Maine region of Maine.