The combined value of farms, hunting land and other rural land and acreage for sale in Delaware's Kent County recently on Land.com was nearly $100 million. This represents 1,000 acres of farms, rural land, hunting land and other land for sale in Kent County. Kent County ranks second in the First State based on the total amount of acres of land for sale of the three counties in the "Small Wonder. Of all farms and rural land for sale in Kent County, Dover had the most land for sale. Kent County is one of the ten biggest counties in Delaware (798 square miles). It's located in the Central Delaware region of Delaware.