Of 14 counties in the state, Hampden County is ninth in terms of its size (634 square miles). Hampden County is in Western Massachusetts. A recent survey of Land Network data shows about 1,000 acres of farms for sale in Massachusetts's Hampden County, which is valued at a combined $499,900. Browse all Hampden County farms for sale on the Land Network to find the farm, cattle operation, hobby farm or other farm property that's right for your future commercial or individual needs. The most common type of land for sale by combined acreage in Hampden County is residential property.