Most of the area comprising Putnam County was purchased from the Wappinger Indians by two Dutch speculators in 1691 for a “competent” sum of money. Six years later they sold it to Adolph Philipse, the son of an extremely wealthy merchant, and the land became known as Philipse Patent.
Visit the U.S. Census Website for an array of demographic information.
U.S. Census information
Your link for the official Putnam County Website.