Washington County Wash. Co is called the war-path of America. Though other places have been the scenes of terrible conflicts, no other of equal size has been crossed by as many hostile expeditions. Though minor conflicts have occurred within the borders, the great battles were fought outside its boundaries.
Originally part of Albany Co. Was founded Mar. 12, 1772 named Charlotte Co. in honor of the Queen. In 1784 the name was changed to Washington Co. in honor of George Washington Rev. War General and later 1st President of the U.S. In 1788 Clinton Co. was split off the county, in 1791, Cambridge was transferred from Albany Co. to Washington Co. 1994 upon completion of the new municipal center the county seat was moved from Hudson Falls to Fort Edward.
Visit the U.S. Census Website for an array of demographic information.
U.S. Census information
Your link for the official Washington County Website.