The Mahican Native American tribe lived in the area that now makes up Berkshire County until the early 18th century, when the first English settlers and frontiersmen appeared and began setting up farms and homesteads. On April 25, 1724,The English finally paid the Indians 460 pounds, 3 barrels of cider, and 30 quarts of rum for what is today Berkshire County.? This deal did not include modern Sheffield, Stockbridge, Richmond, and Lenox, which were added later. Berkshire County remained part of Hampshire County until 1760.
Berkshire County was formed in 1761 out of Hampshire County. County seat: Pittsfield.