The value of farmsand rural real estate for sale in Pennsylvania's Cumberland County recently on Land.com was around $90 million. This represents around 1,000 acres of farms, rural land, hunting land and other land for sale in Cumberland County. Cumberland County ranks 29th out of 67 counties in Pennsylvania for the total acreage of land currently advertised for sale. Among cities in Cumberland County with land for sale, Carlisle had the most land for sale. Cumberland County is the 43rd largest county (550 square miles) in Pennsylvania. It's located in the Dutch Country Roads Pennsylvania region of Pennsylvania.